1 date: 01/27/05 spx2969 150ma low dropout voltage regulator ?copyright 2005 sipex corporation 150ma low dropout voltage regulator spx2969 description features 5v fixed output 150ma current capability 250mv dropout programmable reset threshold 250 a quiescent current over temperature protection reverse polarity protection integrated pull up resistor on logic outputs -40 to +125 c operating range the spx2969 is a low dropout linear regulator with integrated pnp pass transistor. this part is designed for high voltage applications, which can withstand up to 45v and 125 c. the output voltage is set at a fixed 5v, and the part is guaranteed to deliver at least 150ma. the spx2969 provides multiple protection mechanisms, including over-temperature and over-current detec- tion. the part has a built-in reset circuit to monitor when the output voltage is below 4.65v. the reset voltage threshold can be programmed down to 3.5v using an external resistor voltage divider, while the reset timing can be programmed via an external capacitor. a built in comparator compares the signal at the pin si, normally fed by a voltage divider from the input voltage, with the reference and gives an early warning on the pin so. both the sense output and the reset output delay signals contain integrated 20k ? pull up resistors. the part is available in an 8 pin nsoic package. typical application circuit preliminary applications automotive industrial wireless base station now available in lead free packaging 1 2 3 4 5 6 7 8 spx2969 8 pin nsoic i gnd si so ro d q radj gnd i q so d si 12v ro 5v spx2969 r adj2 r adj1 + + 22 f 1000 f r s1 r s2 0.1 f reset out radj
2 date: 01/27/05 spx2969 150ma low dropout voltage regulator ?copyright 2005 sipex corporation input voltage ...................................................................... -40v to 45v input current ............................................................... internally limited sense input voltage ........................................................... -40v to 45v sense input current ......................................................... -1ma to 1ma reset threshold voltage ....................................................... -0.3 to 7v reset threshold current ................................................... -10 to 10ma reset delay voltage ............................................................. -0.3 to 7v reset delay current .................................................... internally limited ground current .................................................................. 50ma (min) reset output voltage ............................................................ -0.3 to 7v reset output current .................................................. internally limited sense output voltage ........................................................... -0.3 to 7v sense output current ................................................. internally limited output voltage ...................................................................... -0.3 to 7v output current ............................................................ internally limited thermal data junction ambient (8 pin nsoic) ............................................. 163 c/w junction to pin 4, all gnd pins grounded ................................. 30 c/w storage temperature .................................................. -50 c to +150 c junction temperature. (note 1).....................................-40 c to +150 c these are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. exposure to absolute maximum rating conditions for extended periods of time may affect reliability. electrical characteristics v in = 13.5v; -40 c < t j < 125 c. the ? denotes the specifications which apply over the full operating temperature range, unless otherwise specified. absolute maximum ratings note 1: specifications in the -40 c to 150 c range are guaranteed by design, not production tested. note 2: dropout voltage = v i - v q measured when the output voltage has dropped 100mv from the nominal value obtained at 13.5v input. note 3: the reset threshold v rt can be decreased via an external voltage divider connected to the radj. in this case the reset condition is reached if v q < v rt and v radj < v radj, th . dimensioning the voltage divider according to: v thres = v radj, th x (r adj1 +r adj2 )/r adj2. parameter symbol min typ max units conditions output voltage v q 4.90 5.00 5.10 v ? 1ma < i q 100ma 6v < v i < 16v current limit i q 150 250 500 ma ? current consumption i q = i i - i q i q - 240 300 ai q < 1 ma, tj < 85 c current consumption i q = i i - i q i q - 250 700 a ? i q = 10ma current consumption i q = i i - i q i q -2 8ma ? i q = 50ma dropout voltage v dr - 0.25 0.5 v ? i q = 100ma (q - i) when output drops below 2% (see note 2) load regulation v q -220mv ? i q = 5ma to 100ma line regulation v q -110mv ? v i = 6v to 26v i q = 1 ma reset generator threshold voltage v rt 4.50 4.65 4.80 v ? reset adjust v radj, th 1.26 1.35 1.44 v ? v q = 3.5v (see note 3) reset pullup - 10 20 40 k ? ? saturation voltage v ro, sat - 0.1 0.4 v ? r intern
3 date: 01/27/05 spx2969 150ma low dropout voltage regulator ?copyright 2005 sipex corporation electrical characteristics v in = 13.5v; -40 c < t j < 125 c. the ? denotes the specifications which apply over the full operating temperature range, unless otherwise specified. r e t e m a r a pl o b m y sn i mp y tx a ms t i n us n o i t i d n o c r o t a r e n e g t e s e r d l o h s e r h t g n i h c t i w s y a l e d r e p p uv d u 4 . 18 . 12 . 2v ? d l o h s e r h t g n i h c t i w s y a l e d r e w o lv d l 3 . 05 4 . 00 6 . 0v ? y a l e d e g a t l o v n o i t a r u t a s r o t i c a p a c v t a s , d -- 1 . 0v ? v q v < t r t n e r r u c e g r a h ci d 0 . 35 . 65 . 9a ? v d v 1 = h o t l e m i t y a l e dt d 7 18 2- s m ? c d f n 0 0 1 = l o t h e m i t y a l e dt t -1-s ? c d f n 0 0 1 = e s n e s e g a t l o v t u p n i h g i h d l o h s e r h t e s n e sv h g i h , i s 5 2 . 13 3 . 16 3 . 1v ? w o l d l o h s e r h t e s n e sv w o l , i s 8 1 . 12 2 . 18 2 . 1v ? e g a t l o v w o l t u p t u o e s n e sv w o l , o s -1 . 04 . 0v ? v i s v 0 2 . 1 < v q r v 3 > n r e t n i p u l l u p e s n e s-0 10 20 4k ? t n e r r u c t u p n i e s n e si i s 1 -1 . 01a ? e m i t e s n o p s e r e s n e s-2s ?
4 date: 01/27/05 spx2969 150ma low dropout voltage regulator ?copyright 2005 sipex corporation applications information the input capacitor c i is necessary for compensating line influences. using a resistor of approximately 1 ? in series with c i , the oscillating circuit consisting of input inductance and input capacitance can be damped. the output capacitor c q is necessary for the stability of the regulating circuit. stability is guaranteed at values 10 f and an esr 10 ? within the operating temperature range. for small tolerances of the reset delay the variation of the capacitance of the delay capacitor and its temperature coefficient should be noted. block diagram reference reference trimming error amplifier saturation current and control & so ro q i d radj si 20k? 20k?
5 date: 01/27/05 spx2969 150ma low dropout voltage regulator ?copyright 2005 sipex corporation reset timing diagram v i v q v d 6 date: 01/27/05 spx2969 150ma low dropout voltage regulator ?copyright 2005 sipex corporation package: 8 pin nsoic a a1 a2 side view seating plane gauge plane l1 l 1 seating plane l2 view c top view b see view c b b section b-b with plating c base metal b symbol min nom max a 1.35 - 1.75 a1 0.10 - 0.25 a2 1.25 - 1.65 b 0.31 - 0.51 c 0.17 - 0.25 d e e1 e l 0.40 - 1.27 l1 l2 ?0o-8o ?1 5o - 15o note: dimensions in (mm) controlling dimension 8 pin nsoic jedec ms-012 (aa) variation 4.90 bsc 6.00 bsc 3.90 bsc 1.27 bsc 1.04 ref 0.25 bsc symbol min nom max a 0.053 - 0.069 a1 0.004 - 0.010 a2 0.049 - 0.065 b 0.012 - 0.020 c 0.007 - 0.010 d e e1 e l 0.016 - 0.050 l1 l2 ?0o-8o ?1 5o - 15o note: dimensions in (inches) conversion factor: 1 inch = 25.40 mm 0.193 bsc 0.236 bsc 0.154 bsc 8 pin nsoic jedec ms-012 (aa) variation 0.050 bsc 0.04 ref 0.010 bsc e e/2 e1 index area (d/2 x e1/2) e1/2 d 1 e
7 date: 01/27/05 spx2969 150ma low dropout voltage regulator ?copyright 2005 sipex corporation corporation analog excellence sipex corporation reserves the right to make changes to any products described herein. sipex does not assume any liability aris ing out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor t he rights of others. sipex corporation headquarters and sales office 233 south hillview drive milpitas, ca 95035 tel: (408) 934-7500 fax: (408) 935-7600 ordering information part number output voltage package type SPX2969S ...... ......................................5.0v .......................................... 8 pin nsoic SPX2969S/tr. ......................................5.0v .......................................... 8 pin nsoic /tr = tape and reel pack quantity is 1,500 for wsoic and 2,500 for nsoic. available in lead free packaging. to order add "-l" suffix to part number. example: SPX2969S/tr = standard; SPX2969S-l/tr = lead free click here to order samples
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