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rt9137/8/9 1 ds9137/8/9-01 april 2011 www.richtek.com ordering information rail-to-rail operational amplifier general description the rt9137/rt9138/RT9139 consist low power, high slew rates, rail-to-rail input and output operation amplifiers. the rt9137 contains a single amplifier, rt9138 contains two amplifiers and RT9139 contains four amplifiers in one package. the rt9137/rt9138/RT9139 have high slew rates (120v/ s), 35ma continuous output current, 300ma peak output current and offset voltage below 16.5mv. the rt9137 is available in tsot-23-5 and wdfn-6l 2x2 packages. the rt9138 is available in msop-8 and wdfn-6l 2x2 packages. the RT9139 is available in wqfn-16l 4x4, tssop-14, tssop-14 (exposed pad), msop-10 and wdfn-10l 3x3 package. the rt9137/rt9138/RT9139 are specified for operation over the full ? 40 c to 85 c temperature range. features z z z z z rail-to-rail output swing z z z z z supply voltage : 4.5v to 16.5v z z z z z continuous output current : 35ma z z z z z peak output current : 300ma z z z z z high slew rate : 120v/ s z z z z z rohs compliant and halogen free applications z notebook computer displays z lcd monitor panels z automotive displays z lcd-tvs note : richtek products are : ` rohs compliant and compatible with the current require- ments of ipc/jedec j-std-020. ` suitable for use in snpb or pb-free soldering processes. rt9137 lead plating system g : green (halogen free and pb free) package type j5 : tsot-23-5 qw : wdfn-6l 2x2 (w-type) rt9138a package type f : msop-8 lead plating system g : green (halogen free and pb free) rt9138b package type qw : wdfn-6l 2x2 (w-type) lead plating system g : green (halogen free and pb free) RT9139a package type c : tssop-14 cp : tssop-14 (exposed pad) qw : wqfn-16l 4x4 (w-type) lead plating system g : green (halogen free and pb free) RT9139b package type f : msop-10 qw : wdfn-10l 3x3 (w-typw) lead plating system g : green (halogen free and pb free)
rt9137/8/9 2 ds9137/8/9-01 april 2011 www.richtek.com pin configurations (top view) RT9139a tssop-14 (exposed pad) vina- vind- vinc- vinb+ vs+ vina+ vinb- voutb voutc vinc+ vs- vind+ vouta voutd 4 2 3 5 7 6 11 13 12 10 8 9 14 vs- 15 vouta vina voutb vinb voutd vind vs- voutc vinc vs+ 9 8 7 1 2 3 4 5 10 6 vs- 11 wdfn-10l 3x3 RT9139b voutd vinc vouta vinb vs+ vind vs- voutb voutc vina 5 6 7 8 4 3 2 10 9 msop-10 RT9139b vina- vind- vinc- vinb+ vs+ vina+ vinb- voutb voutc vinc+ vs- vind+ vouta voutd 4 2 3 5 7 6 11 13 12 10 8 9 14 tssop-14 RT9139a vouta vina vs+ voutb vinb vs- 5 4 1 2 3 6 7 vs- wdfn-6l 2x2 rt9138b wqfn-16l 4x4 RT9139a vina- vina+ vs+ vinb+ vinb- voutb voutc vinc- vind- vind+ vinc+ vs- nc nc vouta voutd 1 2 3 4 5678 12 11 10 9 13 16 14 15 17 vs- msop-8 5 6 7 8 4 3 2 vouta vs- vina+ vina- vs+ voutb vinb- vinb+ rt9138a wdfn-6l 2x2 rt9137 vs- nc vin+ vin- vout vs+ 5 4 1 2 3 6 7 vs- tsot-23-5 rt9137 vout vs- vin+ vs+ vin- 4 23 5
rt9137/8/9 3 ds9137/8/9-01 april 2011 www.richtek.com functional pin description rt9137 pin no. tsot-23-5 wdfn-6l 2x2 pin name pin function 1 4 vout amplifier output. -- 2 nc no internal connection. 2 1, 7 (exposed pad) vs- negative power supply. 3 6 vin+ amplifier non-inverting input. 4 5 vin- amplifier inverting input. 5 3 vs+ positive power supply. marking information bl=dnn rt9137gj5 bl= : product code dnn : date code rt9138agf h3 : product code w : date code rt9138bgqw dn=ym dnn dn= : product code ymdnn : date code RT9139agqw et= : product code ymdnn : date code et=ym dnn RT9139agcp RT9139agcp : product number ymdnn : date code RT9139agc RT9139bgqw fk= : product code ymdnn : date code RT9139a gcpymdnn RT9139a gcymdnn RT9139agc : product number ymdnn : date code fk=ym dnn h3w
rt9137/8/9 4 ds9137/8/9-01 april 2011 www.richtek.com rt9138a pin no. pin name pin function 1 vouta amplifier a output. 2 vina- amplifier a inverting input. 3 vina+ amplifier a non-inverting input. 4 vs- negative power supply. 5 vinb+ amplifier b non-inverting input. 6 vinb- amplifier b inverting input. 7 voutb amplifier b output. 8 vs+ positive power supply. rt9138b pin no pin name pin function 1 vouta amplifier a output. 2 vina amplifier a input. 3, 7 (exposed pad) vs- negative power supply. 4 vinb amplifier b input. 5 voutb amplifier b output. 6 vs+ positive power supply. RT9139a pin no. tssop-14 tssop-14 (exposed pad) wqfn-16l 4x4 pin name pin function 1 1 15 vouta am plifier a output. 2 2 1 vina- am plifier a inverting input. 3 3 2 vina+ amplifier a non-inverting input. 4 4 3 vs+ positive power supply. 5 5 4 vinb+ amplifier b non-inverting input. 6 6 5 vinb- am plifier b inverting input. 7 7 6 voutb am plifier b output. 8 8 7 voutc am plifier c output. 9 9 8 vinc- amplifier c inverting input. 10 10 9 vinc+ amplifier c non-inverting input. 11 11, 15 (exposed pad) 10, 17 (exposed pad) vs- negative power supply. 12 12 11 vind+ amplifier d non-inverting input. 13 13 12 vind- amplifier d inverting input. 14 14 14 voutd amplifier d output. -- -- 16 nc no internal connection.
rt9137/8/9 5 ds9137/8/9-01 april 2011 www.richtek.com function block diagram vs+ vin- vin+ + - vs- vout rt9137 RT9139a RT9139b rt9138a vs- vs+ + - voutb vinb- vinb+ vouta vina- vina+ + - vs+ vs- + - voutd vind- vind+ + - voutc vinc- vinc+ voutb vinb- vinb+ + - vouta vina- vina+ + - vs+ vs- + - voutd vind + - voutc vinc voutb vinb + - vouta vina + - RT9139b pin no msop-10 wdfn-10l 3x3 pin name pin function 1 1 vouta amplifier a output. 2 2 vina amplifier a input. 3 3 vs+ positive power supply. 4 4 vinb amplifier b input. 5 5 voutb amplifier b output. 6 6 voutc amplifier c output. 7 7 vinc amplifier c input. 8 8, 11 (exposed pad) vs- negative power supply. 9 9 vind amplifier d input. 10 10 voutd amplifier d output. rt9138b vs+ vs- + - voutb vinb vouta vina + -
rt9137/8/9 6 ds9137/8/9-01 april 2011 www.richtek.com note 1. stresses listed as the above ? absolute maximum ratings ? may cause permanent damage to the device. these are for stress ratings. functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. exposure to absolute maximum rating conditions for extended periods may remain possibility to affect device reliability. note 2. ja is measured in the natural convection at t a = 25 c on a high effective thermal conductivity four-layer test board of jedec 51-7 thermal measurement standard. note 3. devices are esd sensitive. handling precaution is recommended. note 4. the device is not guaranteed to function outside its operating conditions. absolute maximum ratings (note 1) z supply voltage, vs+ to vs- ------------------------------------------------------------------------------ 18v z input voltage, vinx ------------------------------------------------------------------------------------------ vs- ? 0.5v to vs+ + 0.5v z differential input voltage ------------------------------------------------------------------------------------ vs z power dissipation, p d @ t a = 25 c tsot-23-5 ----------------------------------------------------------------------------------------------------- 0.625w wdfn-6l 2x2 ------------------------------------------------------------------------------------------------- 0.833w msop-8 ------------------------------------------------------------------------------------------------------- 0.833w tssop-14 (exposed pad) --------------------------------------------------------------------------------- 2w tssop-14 ----------------------------------------------------------------------------------------------------- 0.833w wqfn-16l 4x4 ----------------------------------------------------------------------------------------------- 1.852w msop-10 ------------------------------------------------------------------------------------------------------ 0.833w wdfn-10l 3x3 ----------------------------------------------------------------------------------------------- 1.429w z package thermal resistance (note 2) tsot-23-5, ja ----------------------------------------------------------------------------------------------- 160 c/w wdfn-6l 2x2, ja ------------------------------------------------------------------------------------------- 120 c/w msop-8, ja -------------------------------------------------------------------------------------------------- 120 c/w tssop-14 (exposed pad), ja --------------------------------------------------------------------------- 50 c/w tssop-14, ja ----------------------------------------------------------------------------------------------- 120 c/w wqfn-16l 4x4, ja ----------------------------------------------------------------------------------------- 54 c/w msop-10, ja ------------------------------------------------------------------------------------------------ 120 c/w wdfn-10l 3x3, ja ------------------------------------------------------------------------------------------ 70 c/w z lead temperature (soldering, 10 sec.) ----------------------------------------------------------------- 260 c z junction temperature -------- ------------------------------------------------------------------------------- 150 c z storage temperature range ------------------------------------------------------------------------------- ? 65 c to 150 c z esd susceptibility (note 3) hbm (human body mode) --------------------------------------------------------------------------------- 2kv mm (machine mode) ---------------------------------------------------------------------------------------- 200v to be continued recommended operating conditions (note 4) z supply voltage (single suppl y), vs+ ------------------------------------------------------------------- 4.5v to 16.5v z supply voltage (dual supply), vs+ and vs- ---------------------------------------------------------- 2.25v to 8.25v z junction temperature range ------------------------------------------------------------------------------ ? 40 c to 125 c z ambient temperature range ------------------------------------------------------------------------------ ? 40 c to 85 c
rt9137/8/9 7 ds9137/8/9-01 april 2011 www.richtek.com electrical characteristics (v s + = 2.5v, v s - = ? 2.5v, r l = 1k to 0v, t a = 25 c, unless otherwise specified) parameter symbol test conditions min typ max unit input characteristics input offset voltage v os v cm = 0v -- 3 17.5 mv average offset voltage drift note (2) v os / t ? 40 c t a 85 c -- 7 -- v/ c input bias current i b v cm = 0v -- 2 60 na input impedance note (2) r in -- 1 -- g input capacitance note (2) c in -- 2 -- pf common-mode input range cmir ? 3 -- 3 v common-mode rejection ratio cmrr for v in from ? 3v to 3v -- 70 -- db open-loop gain a vol ? 2v v out 2v -- 70 -- db output characteristics output s wing low v ol i l = ? 5ma -- ? 2.42 ? 2.35 v output swing high v oh i l = 5ma 2.35 2.42 -- v continuous output current i oc -- 35 -- ma peak output current i pc -- 100 -- ma power supply power supply rejection ratio psrr v s is moved from 2.25v to 7.5v -- 70 -- db supply current/amplifier i sy no load, per channel -- 4.4 -- ma dynamic performance slew rate note (1) sr ? 2v v out 2v, 20% to 80% -- 110 -- v/us setting to 0.1% (a v = 1) note (2) t s (a v = 1), v out = 2v step -- 100 -- ns ? 3db bandwidth bw r l = 10k , c l =10 pf -- 50 -- mhz gain-bandwidth product gbwp r l = 10k , c l =10 pf -- 30 -- mhz phase margin note (2) pm r l = 10k , c l =10 pf -- 50 -- channel separation cs f = 5mhz -- 75 -- db note : (1) slew rate is measured on rising and falling edges. (2) guaranteed by design, not subject to production testing.
rt9137/8/9 8 ds9137/8/9-01 april 2011 www.richtek.com note : (1) slew rate is measured on rising and falling edges. (2) guaranteed by design, not subject to production testing. (v s + = 5v, v s - = -5v, r l = 1k to 0v, t a = 25 c, unless otherwise specified) parameter symbol test conditions min typ max unit input characteristics input offset voltage v os v cm = 0 -- 3 17.5 mv average offset voltage drift note (2) v os / t ? 40 c t a 85 c -- 7 -- v/ c input bias current i b v cm = 0 -- 2 60 na input impedance note (2) r in -- 1 -- g input capacitance note (2) c in -- 2 -- pf common-mode input range cmir ? 5.5 -- 5.5 v common-mode rejection ratio cmrr for v in from ? 5.5v to 5.5v -- 70 -- db open-loop gain a vol ? 4.5v v out 4.5v -- 70 -- db output characteristics output swing low v ol i l = ? 5ma -- ? 4.92 ? 4.85 v output swing high v oh i l = 5ma 4.85 4.92 -- v continuous output current i oc -- 35 -- ma peak output current i pc -- 250 -- ma power supply power supply rejection ratio psrr v s is moved from 2.25v to 7.5v -- 70 -- db supply current/amplifier i sy no load, per channel -- 4.6 -- ma dynamic performance slew rate note (1) sr ? 4.0v v out 4.0v, 20% to 80% -- 120 -- v/ s setting to 0.1% (a v = +1) note (2) t s (a v = 1), v out = 2v step -- 100 -- ns -3db bandwidth bw r l = 10k , c l =10 pf -- 50 -- mhz gain-bandwidth product gbwp r l = 10k , c l =10 pf -- 30 -- mhz phase margin note (2) pm r l = 10k , c l =10 pf -- 50 -- channel separation cs f = 5mhz -- 75 -- db
rt9137/8/9 9 ds9137/8/9-01 april 2011 www.richtek.com (v s + = 7.5v, v s - = ? 7.5v, r l = 1k to 0v, t a = 25 c, unless otherwise specified) parameter symbol test conditions min typ max unit input characteristics input offset voltage v os v cm = 0v -- 3 17.5 mv average offset voltage drift note (2) v os / t ? 40 c t a 85 c -- 7 -- v/ c input bias current i b v cm = 0v -- 2 60 na input impedance note (2) r in -- 1 -- g input capacitance note (2) c in -- 2 -- pf common-mode input range cmir ? 8 -- 8 v common-mode rejection ratio cmrr for v in from ? 8v to 8v -- 70 -- db open-loop gain a vol ? 7v v out 7v -- 70 -- db output characteristics output s wing low v ol i l = ? 5ma -- ? 7.42 ? 7.35 v output swing high v oh i l = 5ma 7.35 7.42 -- v continuous output current i oc -- 35 -- ma peak output current i pc -- 300 -- ma power supply power supply rejection ratio psrr v s is moved from 2.25v to 7.5v -- 70 -- db supply current/amplifier i sy no load, per channel -- 5.5 -- ma dynamic performance slew rate note (1) sr ? 7v v out 7v, 20% to 80% -- 140 -- v/ s setting to 0.1% (a v = 1) note (2) t s (a v = 1), v out = 2v step -- 100 -- ns ? 3db bandwidth bw r l = 10k , c l =10 pf -- 50 -- mhz gain-bandwidth product gbwp r l = 10k , c l =10 pf -- 30 -- mhz phase margin note (2) pm r l = 10k , c l =10 pf -- 50 -- channel separation cs f = 5mhz -- 75 -- db note : (1) slew rate is measured on rising and falling edges. (2) guaranteed by design, not subject to production testing.
rt9137/8/9 10 ds9137/8/9-01 april 2011 www.richtek.com output swing voltage low vs. supply voltage 0 10 20 30 40 50 60 70 80 90 4.5 6.5 8.5 10.5 12.5 14.5 16.5 supply voltage (v) swing voltage (mv) supply current vs. supply voltage 0 2 4 6 8 10 4.5 6.5 8.5 10.5 12.5 14.5 16.5 supply voltage (v) supply current (ma) 1 typical operating characteristics offset voltage vs. supply voltage -20 -12 -4 4 12 20 4.5 6.5 8.5 10.5 12.5 14.5 16.5 supply voltage (v) offset voltage (mv) output swing voltage high vs. supply voltage 0 10 20 30 40 50 60 70 80 4.5 6.5 8.5 10.5 12.5 14.5 16.5 supply voltage (v) swing voltage (mv) offset voltage vs. temperature -20 -12 -4 4 12 20 -50 -25 0 25 50 75 100 125 temperature ( c) offset voltage (mv) v sup = 15v supply current vs. temperature 0 2 4 6 8 10 -50 -25 0 25 50 75 100 125 temperature ( c) supply current (ma) 1 v sup = 15v
rt9137/8/9 11 ds9137/8/9-01 april 2011 www.richtek.com rail-to-rail input and ouput voltage time (5 s/div) v out (5v/div) v in (5v/div) v sup = 10v slew rate time (25ns/div) v out (2v/div) v in (2v/div) v sup = 10v
rt9137/8/9 12 ds9137/8/9-01 april 2011 www.richtek.com application information the rt9137/rt9138/RT9139 is a high performance operational amplifier capable of driving large loads for different applications. a high slew rate, rail-to-rail input and output capability, and low power consumption are the features which make the operation al amplifier ideal for lcd applications. the rt9137/rt9138/RT9139 also has wide bandwidth and phase margin to drive a panel load. operating voltage the rt9137/8/9 is specified with a single nominal supply voltage from 5v to 15v or a split supply with its total range from 5v to 15v. correct operation is guaranteed for a supply range of 4.5v to 16.5v. the rt9137/8/9 specifications remain stable over the entire supply range and operating temperature range from ? 40 c to 85 c. parameter variations with operating voltage and temperature are shown in the typical performance curves. the output swing of the rt9137/8/9 typically extends to within 80mv of positive/negative supply rails with 5ma load current source/sink. short circuit condition an internal short circuit protection circuit is implemented to protect the device from output short circuit. the rt9137/ 8/9 limits the short circuit current to 300ma when supply voltage is 7.5v. for reliability concerns, a continuous output current of not more than 35ma is recommended. unused amplifier if the amplifier is unused, it is recommended to connect the positive input to ground while keeping the output pin open. thermal considerations for continuous operation, do not exceed absolute maximum junction temperature. the maximum power dissipation depends on the thermal resistance of the ic package, pcb layout, rate of surrounding airflow, and difference between junction and ambient temperature. the maximum power dissipation can be calculated by the following formula : p d(max) = (t j(max) ? t a ) / ja where t j(max) is the maximum junction temperature, t a is the ambient temperature, and ja is the junction to ambient thermal resistance. for recommended operating condition specifications of the rt9137/8/9, the maximum junction temperature is 125 c and t a is the ambient temperature. the junction to ambient thermal resistance, ja , is layout dependent. the thermal resistance, ja , is 160 c/w for tsot-23-5 package, 120 c/w for wdfn-6l 2x2 package, 120 c/w for msop-8 package, 50 c/w for tssop-14 (exposed pad) package, 120 c/w for tssop-14 package, 54 c/w for wqfn-16l 4x4 package, 120 c/w for msop-10 package, and 70 c/w for wdfn-10l 3x3 package, on a standard jedec 51-7 four-layer thermal test board. the maximum power dissipation at t a = 25 c can be calculated by the following formulas : p d(max) = (125 c ? 25 c) / (160 c/w) = 0.625w for tsot-23-5 package p d(max) = (125 c ? 25 c) / (120 c/w) = 0.833w for wdfn-6l 2x2 package p d(max) = (125 c ? 25 c) / (120 c/w) = 0.833w for msop-8 package p d(max) = (125 c ? 25 c) / (50 c/w) = 2w for tssop-14 (exposed pad) package p d(max) = (125 c ? 25 c) / (120 c/w) = 0.833w for tssop-14 package p d(max) = (125 c ? 25 c) / (54 cw) = 1.852w for wqfn-16l 4x4 package p d(max) = (125 c ? 25 c) / (120 c/w) = 0.833w for msop-10 package p d(max) = (125 c ? 25 c) / (70 c/w) = 1.429w for wdfn-10l 3x3 package the maximum power dissipation depends on the operating ambient temperature for fixed t j(max) and thermal resistance, ja . for the rt9137/8/9 packages, the derating curves in figure 1 allow the designer to see the effect of rising ambient temperature on the maximum power dissipation.
rt9137/8/9 13 ds9137/8/9-01 april 2011 www.richtek.com layout considerations pcb layout is very important for designing power circuits. the following layout guidelines should be strictly followed for best performance of the rt9137/8/9. ` place the components as close to the ic as possible. the traces should be wide and short, especially for the high current loop. ` connect a 0.1 f capacitor from vin+ to ground and place it as close to the ic as possible for better performance. ` a series resistance may be needed at the output for some applications. ` the exposed pad of the chip should be connected to a strong ground or vs- plane for maximum thermal consideration. 0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 0 255075100125 ambient temperature (c) maximum power dissipation (w) 1 four-layer pcb tssop-14 (exposed pad) wqfn-16l 4x4 wdfn-10l 3x3 msop-10 tssop-14 msop-8 msop-8 tsot-23-5 figure 1. derating curves for the rt9137/8/9 packages
rt9137/8/9 14 ds9137/8/9-01 april 2011 www.richtek.com outline dimension dimensions in millimeters dimensions in inches symbol min max min max a 0.700 1.000 0.028 0.039 a1 0.000 0.100 0.000 0.004 b 1.397 1.803 0.055 0.071 b 0.300 0.559 0.012 0.022 c 2.591 3.000 0.102 0.118 d 2.692 3.099 0.106 0.122 e 0.838 1.041 0.033 0.041 h 0.080 0.254 0.003 0.010 l 0.300 0.610 0.012 0.024 a a1 e b b d c h l tsot-23-5 surface mount package
rt9137/8/9 15 ds9137/8/9-01 april 2011 www.richtek.com dimensions in millimeters dimensions in inches symbol min max min max a 0.700 0.800 0.028 0.031 a1 0.000 0.050 0.000 0.002 a3 0.175 0.250 0.007 0.010 b 0.200 0.350 0.008 0.014 d 1.950 2.050 0.077 0.081 d2 1.000 1.450 0.039 0.057 e 1.950 2.050 0.077 0.081 e2 0.500 0.850 0.020 0.033 e 0.650 0.026 l 0.300 0.400 0.012 0.016 w-type 6l dfn 2x2 package d 1 e a3 a a1 e b l d2 e2 see detail a 1 1 2 2 note : the configuration of the pin #1 identifier is optional, but must be located within the zone indicated. det ail a pin #1 id and tie bar mark options
rt9137/8/9 16 ds9137/8/9-01 april 2011 www.richtek.com l d e e1 e a b a1 a2 dimensions in millimeters dimensions in inches symbol min max min max a 0.810 1.100 0.032 0.043 a1 0.000 0.150 0.000 0.006 a2 0.750 0.950 0.030 0.037 b 0.220 0.380 0.009 0.015 d 2.900 3.100 0.114 0.122 e 0.650 0.026 e 4.800 5.000 0.189 0.197 e1 2.900 3.100 0.114 0.122 l 0.400 0.800 0.016 0.031 8-lead msop plastic package
rt9137/8/9 17 ds9137/8/9-01 april 2011 www.richtek.com dimensions in millimeters dimensions in inches symbol min max min max a 1.000 1.200 0.039 0.047 a1 0.000 0.150 0.000 0.006 a2 0.800 1.050 0.031 0.041 b 0.190 0.300 0.007 0.012 d 4.900 5.100 0.193 0.201 e 0.650 0.026 e 6.300 6.500 0.248 0.256 e1 4.300 4.500 0.169 0.177 l 0.450 0.750 0.018 0.030 u 1.900 2.900 0.075 0.114 v 1.600 2.600 0.063 0.102 14-lead tssop (exposed pad) plastic package
rt9137/8/9 18 ds9137/8/9-01 april 2011 www.richtek.com 14-lead tssop plastic package l e1 e e a a2 a1 b d dimensions in millimeters dimensions in inches symbol min max min max a 1.000 1.200 0.039 0.047 a1 0.050 0.150 0.002 0.006 a2 0.800 1.050 0.031 0.041 b 0.190 0.300 0.007 0.012 d 4.900 5.100 0.193 0.201 e 0.650 0.026 e 6.300 6.500 0.248 0.256 e1 4.300 4.500 0.169 0.177 l 0.450 0.750 0.018 0.030
rt9137/8/9 19 ds9137/8/9-01 april 2011 www.richtek.com a a1 a3 d e 1 d2 e2 l b e see detail a dimensions in millimeters dimensions in inches symbol min max min max a 0.700 0.800 0.028 0.031 a1 0.000 0.050 0.000 0.002 a3 0.175 0.250 0.007 0.010 b 0.250 0.380 0.010 0.015 d 3.950 4.050 0.156 0.159 d2 2.000 2.450 0.079 0.096 e 3.950 4.050 0.156 0.159 e2 2.000 2.450 0.079 0.096 e 0.650 0.026 l 0.500 0.600 0.020 0.024 w-type 16l qfn 4x4 package note : the configuration of the pin #1 identifier is optional, but must be located within the zone indicated. det ail a pin #1 id and tie bar mark options 1 1 2 2
rt9137/8/9 20 ds9137/8/9-01 april 2011 www.richtek.com l a2 a b a1 d e1 e e dimensions in millimeters dimensions in inches symbol min max min max a 0.810 1.100 0.032 0.043 a1 0.000 0.150 0.000 0.006 a2 0.750 0.950 0.030 0.037 b 0.170 0.270 0.007 0.011 d 2.900 3.100 0.114 0.122 e 0.500 0.020 e 4.800 5.000 0.189 0.197 e1 2.900 3.100 0.114 0.122 l 0.400 0.800 0.016 0.031 10-lead msop plastic package
rt9137/8/9 21 ds9137/8/9-01 april 2011 www.richtek.com information that is provided by richtek technology corporation is believed to be accurate and reliable. richtek reserves the ri ght to make any change in circuit design, specification or other related things if necessary without notice at any time. no third party intellectual property inf ringement of the applications should be guaranteed by users when integrating richtek products into any application. no legal responsibility for any said applications i s assumed by richtek. richtek technology corporation headquarter 5f, no. 20, taiyuen street, chupei city hsinchu, taiwan, r.o.c. tel: (8863)5526789 fax: (8863)5526611 richtek technology corporation taipei office (marketing) 5f, no. 95, minchiuan road, hsintien city taipei county, taiwan, r.o.c. tel: (8862)86672399 fax: (8862)86672377 email: marketing@richtek.com d 1 e a3 a a1 d2 e2 l b e see detail a dimensions in millimeters dimensions in inches symbol min max min max a 0.700 0.800 0.028 0.031 a1 0.000 0.050 0.000 0.002 a3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 d 2.950 3.050 0.116 0.120 d2 2.300 2.650 0.091 0.104 e 2.950 3.050 0.116 0.120 e2 1.500 1.750 0.059 0.069 e 0.500 0.020 l 0.350 0.450 0.014 0.018 w-type 10l dfn 3x3 package 1 1 2 2 note : the configuration of the pin #1 identifier is optional, but must be located within the zone indicated. det ail a pin #1 id and tie bar mark options

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