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| GSI-3000F Series SI-3000F Series 5-Terminal, Multi-Function, Full-Mold, Low Dropout Voltage Dropper Type IFeatures * * * * Compact full-mold package (equivalent to TO220) Output current: 1.0A Low dropout voltage: VDIF1V (at IO=1.0A) Variable output voltage (rise only) May be used for remote sensing (excluding SI-3025F) * Output ON/OFF control terminal is compatible with LS-TTL. (It may be directly driven by LS-TTL or standard CMOS logic.) * Built-in foldback overcurrent, overvoltage, thermal protection circuits * Variable output voltage type (SI-3025F) also available IApplications * For stabilization of the secondary stage of switching power supplies * Electronic equipment IAbsolute Maximum Ratings Parameter DC Input Voltage Voltage of Output Control Terminal DC Output Current Power Dissipation Junction Temperature Ambient Operating Temperature Storage Temperature Thermal Resistance (junction to case) Thermal Resistance (junction to ambient air) ** SI-3240F: 18 *** SI-3240F: 5.5 Symbol SI-3050F VIN VC IO PD1 PD2 Tj Top Tstg Rth(j-c) Rth(j-a) 25 30 Ratings SI-3090F/3120F SI-3150F/3157F 35 VIN 1.0*2 14**(With infinite heatsink) 1.5(Without heatsink, stand-alone operation) -40 to +125 -30 to +100 -40 to +125 7.0*** 66.7(Without heatsink, stand-alone operation) SI-3240F 45 SI-3025F 30 (Ta=25C) Unit V V A W W C C C C/W C/W 29 GSI-3000F Series IElectrical Characteristics (except SI-3025F) Ratings Parameter Input Voltage SI-3000F *1 Output Voltage SI-3000FA Symbol VIN VO Conditions VDIF Dropout Voltage Conditions 1.0 Conditions Line Regulation Load Regulation Temperature Coefficient of Output Voltage Ripple Rejection Quiescent Circuit Current Overcurrent Protection Starting Current*4,7 Control Voltage (Output ON) Control Voltage (Output OFF) Control Current VC *5 (Output ON) Terminal Control Current (Output OFF) VOLINE VOLOAD VO/Ta RREJ Iq Conditions IS1 Conditions VC. IH VC. IL IC. IH Conditions IC. IL Conditions -0.3 -0.3 2.0 0.8 20 1.2 VIN=8V 2.0 0.8 20 10 40 0.5 54 3 10 1.2 VIN=12V 2.0 0.8 20 VC=2.7V -0.3 VC=0.4V -0.3 30 100 18 70 1.0 54 3 10 1.2 VIN=15V 2.0 0.8 20 48 180 24 93 1.5 54 3 10 1.2 VIN=18V 2.0 Conditions VIN=6V to 15V, IO=0.5A Conditions VIN=8V, IO=0 to 1.0A VIN=10V to 20V, IO=0.5A 1.0 SI-3050F 6*3 SI-3090F SI-3120F SI-3150F (Ta=25C unless otherwise specified) SI-3157F SI-3240F 40*2 Unit V V min. typ. max. min. typ. max. min. typ. max. min. typ. max. min. typ. max. min. typ. max. 15*2 10*3 20*2 13*3 25*2 16*3 27*2 16.7*3 27*2 25*3 4.80 5.00 5.20 8.64 9.00 9.36 11.52 12.00 12.48 14.40 15.00 15.60 14.92 15.70 16.48 23.04 24.00 24.96 4.90 5.00 5.10 8.82 9.00 9.18 11.76 12.00 12.24 14.70 15.00 15.30 VIN=8V, IO=0.5A 0.5 VIN=12V, IO=0.5A VIN=15V, IO=0.5A VIN=18V, IO=0.5A VIN=19V, IO=0.5A VIN=27V, IO=0.5A 0.5 0.5 IO0.5A 1.0 IO1.0A 64 240 30 120 1.5 54 3 10 1.2 VIN=19V 2.0 0.8 20 -0.3 0.8 20 -0.3 A mA 90 300 30 120 1.5 54 3 10 1.2 VIN=27V V 90 300 48 120 2.5 54 5 10 128 300 mV mV mV/C dB mA A VIN=13V to 25V, IO=0.5A VIN=16V to 27V, IO=0.5A VIN=17V to 27V, IO=0.5A VIN=25V to 38V, IO=0.5A VIN=18V, IO=0 to 1.0A VIN=19V, IO=0 to 1.0A VIN=27V, IO=0 to 1.0A 1.0 1.0 1.0 0.5 0.5 0.5 V VIN=12V, IO=0 to 1.0A VIN=15V, IO=0 to 1.0A Conditions VIN=8V, IO=5mA, Tj=0 to 100C VIN=12V, IO=5mA, Tj=0 to 100C VIN=15V, IO=5mA, Tj=0 to 100C VIN=18V, IO=5mA, Tj=0 to 100C VIN=19V, IO=5mA, Tj=0 to 100C VIN=27V, IO=5mA, Tj=0 to 100C Conditions VIN=8V, f=100 to 120HZ VIN=12V, f=100 to 120HZ VIN=15V, f=100 to 120HZ VIN=18V, f=100 to 120HZ VIN=19V, f=100 to 120HZ VIN=27V, f=100 to 120HZ VIN=8V, IO=0A VIN=12V, IO=0A VIN=15V, IO=0A VIN=18V, IO=0A VIN=19V, IO=0A VIN=27V, IO=0A *1: "A" may be indicated to the right of the Sanken logo. *2: VIN(max) and IO(max) are restricted by the relation PD(max)=(VIN-VO)*IO=14W(SI-3240F: 18W). *3: Refer to the dropout voltage.(Refer to Setting DC Input Voltage on page 7.) *4: IS1 is specified at -5(%) drop point of output voltage VO on the condition that VIN=VO+3V, IO=0.5A. *5: Output is ON even when output control terminal VC is open. Each input level is equivalent to LS-TTL. Therefore, it may be directly driven by an LS-TTL circuit. *6: When setting output voltage to 5V or less, input voltage needs to be set to 6V or over to operate stably. *7: A foldback type overcurrent protection circuit is built into the IC regulator. Therefore, avoid using it for the following applications as it may cause starting errors: (1) Constant current load (2) Plus/minus power (3) Series power (4) VO adjustment by raising ground voltage 30 GSI-3000F Series IElectrical Characteristics (SI-3025F) Ratings Parameter Input Voltage Output Voltage Reference Voltage Symbol min. VIN VO VREF VDIF Dropout Voltage Conditions Conditions Line Regulation Load Regulation Temperature Coefficient of Reference Voltage Ripple Rejection Quiescent Circuit Current Overcurrent Protection Starting Current*4,7 Control Voltage (Output ON) Control Voltage (Output OFF) VC Control Current Terminal*5 (Output ON) Control Current (Output OFF) VOLINE Conditions VOLOAD Conditions VREF/Ta Conditions RREJ Conditions Iq Conditions IS1 Conditions VC. IH VC. IL IC. IH Conditions IC. IL Conditions VC=0.4V VC=2.7V 2.0 1.2 VIN=VO+3V VIN=VO+3V, IO=0 to 1.0A 0.5 VIN=VO+3V, IO=5mA, Tj=0 to 100C 54 VIN=VO+3V, f=100 to 120HZ 3 VIN=VO+3V, IO=0A VIN=VO+1 to 25V, IO=0.5A IO0.5A 6*6 3 2.45 2.55 SI-3025F typ. (Ta=25C unless otherwise specified) Unit max. 25*2 24 2.65 0.5 V 1.0 V V V IO1.0A 10 20 mV/V mV/V mV/C dB 10 mA A V 0.8 20 -0.3 A mA IExternal Dimensions 3.20.2 0.5 0.2 (unit:mm) 10.00.2 4.2 2.80.2 4.00.2 7.90.2 (17.9) a b 16.90.3 2.60.1 (2.0) a. Part Number b. Lot Number Pin Arrangement q GND w VC e VO r VOS t VIN (Only SI-3025F) 0.95 0.15 5.00.6 (4.6) +0.2 0.85 -0.1 0.45 -0.1 P1.70.7x4=6.80.7 +0.2 3.90.7 (4.3) 8.20.7 q GND w VC e VO r VREF t VIN (8.0) Plastic Mold Package Type Flammability: UL94V-0 Weight: Approx. 2.3g 12345 Forming No. 1101 31 GSI-3000F Series IBlock Diagram SI-3000F 5 Tr1 3 MIC 5 SI-3025F Tr1 3 MIC 4 Reg. Reg. 4 Amp. ON/OFF ON/OFF Protection Protection VREF Amp. Drive Drive 2 Equivalent to LS-TTL 2 Equivalent to LS-TTL 1 1 IStandard External Circuit SI-3000F D1 *2 VO 3 VIN 5 DC Input GND + *1 C1 C2 OPEN SI-3000F 2 1 4 + C0 DC Output GND C0 *1 C1 C2 *2 D1 SI-3025F D1 *2 VIN 5 DC Input GND + 3 SI-3025F 1 4 R1 R2 VO *3 R1 R2 *1 C1 OPEN 2 C2 *3 *3 + C0 DC Output GND : Output capacitor (47 to 100F) : Oscillation prevention capacitor (C1: Approx. 47F, C2: 0.33F) These capacitors are required if the input line is inductive and in the case of long wiring. Tantalum capacitors are recommended for C1 and C0, particularly at low temperatures. : Protection diode This diode is required for protection against reverse biasing of the input and output. Sanken EU2Z is recommended. : External resistor for setting output voltage Relationship between output voltage VO and external resistors R1 and R2 is as follows. R1 VO=VREF* 1+ (VREF=2.55V(typ.)) R2 R2 must be 2.55k for stable operation. ITa-PD Characteristics (Except SI-3240F) 15 (SI-3240F) 20 Infinite heatsink With Silicon Grease Heatsink: Aluminum Infinite heatsink Power Dissipation PD (W) With Silicon Grease Heatsink: Aluminum Power Dissipation PD (W) 10 10 75 20 0x 20 0 15 200x200x2mm (2.3C/W) 0x 1 x7 5 Without heatsink 0 -30 0 25 (2 .3 C /W ) 2 5x C/ 2m W m ) (7. 6C /W ) 00 x2 x2 m m 10 100x100x2mm (5.2C/W) 75x75x2mm (7.6C/W) mm (5. 5 Without heatsink 50 75 100 0 -30 0 25 50 75 100 Ambient Temperature Ta (C) Ambient Temperature Ta (C) PD=IO*[VIN(mean)-VO] PD=IO*[VIN(mean)-VO] 32 VREF GSI-3000F Series External Variable Output Voltage Circuit (Except SI-3025F) 1. Variable output voltage with a single external resistor VIN 5 3 VO 35 + OPEN 2 47F SI-3000F 1 4 IREX REX V04 + 47F VIN=VO+1V 30 SI-3 240 F GND GND 25 Output Voltage VO (V) SI-3 20 150 F F The output voltage may be increased by inserting resistor REX between terminals No.4 (sensing terminal) and No.3 (output terminal). The current IREX flowing into terminal No.4 is 1mA (typ.), therefore the adjusted output voltage VOUT is: VO=V04+IREX*REX *V04: output voltage of SI-3000F series However, the internal resistor (between terminals No. 4 and No.1) is a semiconductor resistor, which has approximately thermal characteristics of +0.2%/C. It is important to keep the thermal characteristics in mind when adjusting the output voltage. 2. Variable output voltage with two external resistors VIN 5 3 VO SI-3 120 15 SI-3 090 F F 050 SI-3 10 5 0 2 4 6 8 10 External Resistor REX (k) + OPEN 2 47F SI-3000F 1 4 IREX1 REX1 V04 + 47F 35 0F 324 SI- 2=6k REX I4IN GND REX2 GND VIN=VO+1V 30 The output voltage may be increased by inserting resistors REX1 between terminals No.4 (sensing terminal) and No.3 (output terminal) and REX2 between terminals No.4 and No.1 (ground terminal). The current I4IN flowing into terminal No.4 is 1mA (typ.) so the thermal characteristics may be improved compared to the method shown in 1 by setting the external current IREX1 at approximately 5 times the value of I4IN (stability coefficient S=5). The adjusted output voltage VOUT in this case is: VO=V04+REX1*IREX1 IREX1=S*I4IN The value of the external resistors may be obtained as follows: VO-V04 V04 REX1= REX2= S*I4IN , (S-1)*I4IN *V04: Output voltage of SI-3000F series S: Stability coefficient of I4IN (may be set to any value) 25 Output Voltage VO (V) 20 15 F 150 SI-X3=3.75k E2 R F 120 SI-32=3k X RE F 090 5k SI-3 2.2 REX 2= 0F 305 5k SI- X2=1.2 10 RE 5 0 1.0 2.0 External Resistor REX1 (k) Note: In the SI-3000F series, the output voltage increase can be adjusted as mentioned above. However, when the rise is set to approximately 10V compared to output voltage V04, the necessary output current may not be obtained due to the S.O.A. protection circuit in the SI-3000F series. 33 GSI-3000F Series ITypical Characteristics (Ta=25C) IO vs. VDIF Characteristics 0.6 Temperature Coefficient of Output Voltage(SI-3050F) 5.06 5.04 VIN=8V IO =0A VO =5V Output ON/OFF Control(SI-3050F) 6 0.5 5 Dropout Voltage VDIF (V) Output Voltage VO (V) 0.4 5.02 Output Voltage VO (V) 4 0.3 5.00 3 VIN=8V IO =10mA 2 0.2 4.98 0.1 4.96 4.94 -40 -20 1 0 0 0.2 0.4 0.6 0.8 1.0 0 20 40 60 80 100 120 140 0 0 1.0 2.0 3.0 4.0 Output Current IO (A) Ambient Temperature Ta (C) Output ON/OFF Control Voltage Vc (V) Output Voltage(SI-3050F) 6 Output Voltage(SI-3120F) 14 12 Overcurrent Protection Characteristics(SI-3050F) 6 5 5 Output Voltage VO (V) Output Voltage VO (V) =0 10 8 6 4 2 0 0 IO=0A =0.5A =1.0A Output Voltage VO (V) A 8V 10V 4 6V VI N= 3 0.5A 0.75A 3 2 2 1 1 0 0 1 2 3 4 5 6 2 4 6 8 10 12 14 16 0 0 0.2 0.4 0.6 0.8 1.0 1.2 15 1. 0.25A IO 0A 4 1.4 V 12V 1.6 Input Voltage VIN (V) Input Voltage VIN (V) Output Current IO (A) Overcurrent Protection Characteristics(SI-3120F) 14 12 Overcurrent Protection Characteristics(SI-3240F) 30 VIN=27V 25 30 40V 35V 15 Thermal Protection Characteristics(SI-3050F) 6 25 5 Output Voltage VO (V) Output Voltage VO (V) 10 Output Voltage VO (V) VIN =1 3V 15 V V 20 4 VIN=8V IO=10mA 3 8 6 4 2 0 18V 22 10 2 5 1 0 0.5 1.0 1.5 2.0 0 0 0.5 1 1.5 2 2.5 3 0 0 20 60 100 140 180 Output Current IO (A) Output Current IO (A) Case Temperature Tc (C) Note on Thermal Protection: The thermal protection circuit is intended for protection against heat during instantaneous short-circuiting. Its operation is not guaranteed for continuous heating condition such as short-circuiting over extended periods of time. 34 |
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