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| GSI-3000C Series SI-3000C Series 5-Terminal, Multi-Function, Full-Mold, Low Dropout Voltage Dropper Type IFeatures * * * * Compact full-mold package (equivalent to TO220) Output current: 1.5A Low dropout voltage: VDIF1V (at IO=1.5A) Variable output voltage (rise only) May be used for remote sensing * 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 (SI-3033C: Drooping type overcurrent), overvoltage, thermal protection circuits 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) Symbol SI-3033C VIN VC IO PD1 PD2 Tj Top Tstg Rth(j-c) Rth(j-a) 20 35 VIN 1.5*2 18(With infinite heatsink) 1.5(Without heatsink, stand-alone operation) -40 to +125 -30 to +100 -40 to +125 5.5 66.7(Without heatsink, stand-alone operation) Ratings SI-3050C/3090C SI-3120C/3150C 35 SI-3240C 45 V V A W W C C C C/W C/W Unit (Ta=25C) 35 GSI-3000C Series IElectrical Characteristics Ratings Parameter Input Voltage SI-3000C *1 Output Voltage SI-3000CA Symbol min. 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*4,6 Control Voltage (Output ON) Control Voltage (Output OFF) VC Control Current Terminal*5 (Output ON) Control Current (Output OFF) VOLINE Conditions VOLOAD Conditions VO/Ta RREJ Conditions Iq Conditions IS1 Conditions VC. IH VC. IL IC. IH Conditions IC. IL Conditions -0.3 VC=0.4V 2.0 0.8 20 VC=2.7V -0.3 1.6 VIN=5V 2.0 0.8 20 10 40 0.5 54 VIN=5V, f=100 to 120HZ 3 VIN=5V, IO=0A 1.6 VIN=8V 2.0 10 30 100 VIN=4.5 to 12V, IO=1.0A VIN=5V, IO=0 to 1.5A IO1.5A 10 40 0.5 54 VIN=8V, f=100 to 120HZ 5 VIN=8V, IO=0A 1.6 10 30 100 *3 (Ta=25C unless otherwise specified) SI-3033C typ. 3.300 3.300 max. 15*2 3.432 3.366 0.5 min. 6*3 4.80 4.90 SI-3050C typ. 5.00 5.00 VIN=8V, IO=1.0A 0.5 IO1.0A 1.0 max. 30*2 5.20 5.10 min. 10*3 8.64 8.82 SI-3090C typ. 9.00 9.00 max. 30*2 9.36 9.18 0.5 Unit V V 3.168 3.234 VIN=5V, IO=1.0A VIN=12V, IO=1.0A V 1.0 18 70 1.0 54 VIN=12V, f=100 to 120HZ 5 VIN=12V, IO=0A A VIN=12V V 0.8 20 -0.3 A mA 10 mA 48 180 mV mV mV/C dB VIN=6 to 15V, IO=1.0A VIN=8V, IO=0 to 1.5A VIN=10 to 20V, IO=1.0A VIN=12V, IO=0 to 1.5A Conditions VIN=5V, IO=5mA, Tj=0 to 100C VIN=8V, IO=5mA, Tj=0 to 100C VIN=12V, IO=5mA, Tj=0 to 100C *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=18(W). *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=1A. *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: A foldback type overcurrent protection circuit is built into the IC regulator (excluding SI-3033C). 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 36 GSI-3000C Series IElectrical Characteristics Ratings Parameter Input Voltage SI-3000C *1 Output Voltage SI-3000CA Symbol min. 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*4,6 Control Voltage (Output ON) Control Voltage (Output OFF) Control Current VC Terminal*5 (Output ON) Control Current (Output OFF) VOLINE Conditions VOLOAD Conditions VO/Ta Conditions RREJ Conditions Iq Conditions IS1 Conditions VC. IH VC. IL IC. IH Conditions IC. IL Conditions -0.3 VC=0.4V 2.0 0.8 20 VC=2.7V -0.3 1.6 VIN=15V 2.0 0.8 20 24 93 1.5 VIN=15V, IO=5mA, Tj=0 to 100C 54 VIN=15V, f=100 to 120HZ 5 VIN=15V, IO=0A 1.6 VIN=18V 2.0 10 64 240 VIN=13 to 25V, IO=1.0A VIN=15V, IO=0 to 1.5A IO1.5A 30 120 1.5 VIN=18V, IO=5mA, Tj=0 to 100C 54 VIN=18V, f=100 to 120HZ 5 VIN=18V, IO=0A 1.6 10 90 300 13*3 11.52 11.76 12.00 12.00 SI-3120C typ. max. 30*2 12.48 12.24 0.5 IO1.0A 1.0 min. 16*3 14.40 14.70 15.00 15.00 SI-3150C typ. max. 30*2 15.60 15.30 0.5 (Ta=25C unless otherwise specified) SI-3240C min. 25*3 23.04 23.52 24.00 24.00 typ. max. 40*2 24.96 24.48 0.5 Unit V V VIN=15V, IO=1.0A VIN=18V, IO=1.0A VIN=27V, IO=1.0A V 1.0 48 120 2.5 VIN=27V, IO=5mA, Tj=0 to 100C 54 VIN=27V, f=100 to 120HZ 5 VIN=27V, IO=0A A VIN=27V V 0.8 20 -0.3 A mA 10 mA dB 128 300 mV mV mV/C VIN=16 to 25V, IO=1.0A VIN=18V, IO=0 to 1.5A VIN=25 to 38V, IO=1.0A VIN=27V, IO=0 to 1.5A *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=18(W). *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=1A. *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: 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 37 GSI-3000C Series IExternal Dimensions 3.20.2 0.5 10.00.2 4.2 0.2 2.8 4.00.2 7.90.2 0.2 (unit:mm) 16.90.3 b 2.60.1 (17.9) a a. Part Number b. Lot Number Pin Arrangement q GND w VC e VO r VOS t VIN Plastic Mold Package Type Flammability: UL94V-0 Weight: Approx. 2.3g (2.0) 0.950.15 0.85 -0.1 (4.6) +0.2 0.45 -0.1 P1.70.7x4=6.80.7 +0.2 3.90.7 (4.3) 8.20.7 12345 Forming No. 1101 IBlock Diagram SI-3000C 5 Tr1 3 MIC (8.0) 5.00.6 4 Reg. ON/OFF Protection Amp. Drive 2 Equivalent to LS-TTL 1 IStandard External Circuit C0 *1 C1 C2 VO 5 + DC Input C1 GND 3 SI-3000C 2 1 4 + C0 DC Output GND VREF D1 *2 VIN *1 C2 OPEN *2 D1 : 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. 38 GSI-3000C Series ITa-PD Characteristics 20 Infinite heatsink Power Dissipation PD (W) With Silicon Grease Heatsink: Aluminum 15 200x200x2mm (2.3C/W) 10 100x100x2mm (5.2C/W) 75x75x2mm (7.6C/W) 5 Without heatsink 0 -30 0 25 50 75 100 Ambient Temperature Ta (C) PD=IO*[VIN(mean)-VO] 39 GSI-3000C Series External Variable Output Voltage Circuit 1. Variable output voltage with a single external resistor VIN 5 3 VO 35 + OPEN 2 47F SI-3000C 1 4 IREX REX V04 VIN=VO+1V + 47F 30 SI-3 240 C GND GND 25 Output Voltage VO (V) SI-3 20 150 C C 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.)(SI-3033C:0.43mA (typ.)), therefore the adjusted output voltage VOUT is: VO=V04+IREX*REX *V04: output voltage of SI-3000C 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 C C SI-3 10 050 5 SI-303 3C 0 2 4 6 8 10 External Resistor REX (k) + OPEN 2 47F SI-3000C 1 4 IREX1 REX1 V04 + 47F 35 0C 324 SI- 2=6k EX R I4IN GND REX2 GND 30 VIN=VO+1V 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.)(SI-3033C: 0.43mA (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-3000C series S: Stability coefficient of I4IN (may be set to any value) 25 Output Voltage VO (V) 20 C 150 SI-X3=3.75k 2 RE C 120 SI-3 3k 15 C 090 5k SI-32=2.2 X RE REX 2= 0C 305 5k SI- X2=1.2 10 RE 5 33C SI-301.9k REX2= 0 1.0 2.0 External Resistor REX1 (k) Note: In the SI-3000C 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-3000C series. 40 GSI-3000C Series ITypical Characteristics (Ta=25C) IO vs. VDIF Characteristics 0.8 Temperature Coefficient of Output Voltage(SI-3050C) 5.08 VIN=8V lO=0A VO=5V Circuit Current(SI-3050C) 50 VO=5V 5.06 Dropout Voltage VDIF (V) Output Voltage VO (V) 5.04 Ground Current lG (mA) 0.6 40 30 0.4 5.02 20 IO=1.5A 5.00 0.2 4.98 0 0 10 1.0A 0.5A 0A 0.5 1.0 1.5 4.96 -40 -20 0 20 40 60 80 100 120 140 0 0 2 4 6 8 10 Output Current lO (A) Ambient Temperature Ta (C) Input Voltage VIN (V) Output Voltage(SI-3033C) 5 Output Voltage(SI-3050C) 7 6 Output Voltage(SI-3240C) 30 Output Voltage VO (V) 4 25 Output Voltage VO (V) 0.5A 3 A =0 5 4 3 0.5A 2 1 0 1A lO A =0 Output Voltage VO (V) 20 lO=0A 0.5A 1A 1.5A 2 1. 5A lO 1A 1. 5A 15 10 1 5 0 0 1 2 3 4 5 6 0 1 2 3 4 5 6 7 Input Voltage VIN (V) Input Voltage VIN (V) 0 0 10 20 30 40 Input Voltage VIN (V) Overcurrent Protection Characteristics(SI-3033C) 5 Overcurrent ProtectionCharacteristics(SI-3050C) 6 Overcurrent Protection Characteristics(SI-3240C) 25 VIN=40V 6V 4 5 20 8V VIN=30V Output Voltage VO (V) Output Voltage VO (V) Output Voltage VO (V) V 35V 27V 3 8V 15 3 2 5V 6V 10 2 1 1 5 0 0 0.5 1.0 1.5 2.0 2.5 3.0 0 0 1.0 2.0 3.0 4.0 0 0 1.0 25 V 4 2.0 30V 15 15V Output Current IO (A) ON/OFF Control Characteristics(SI-3050C) 6 VIN=8V lO=1A 5 Output Voltage VO (V) Output Voltage VO (V) VIN =4. 5V 3.0 4.0 Output Current lO (A) Output Current lO (A) Thermal ProtectionCharacteristics(SI-3050C) 6 5 VIN=8V lO=10mA 4 4 off 3 3 2 on 2 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. 1 1 0 0 1.0 2.0 3.0 4.0 0 20 60 100 140 180 Output ON/OFF Control Voltage (V) Case Temperature TC (C) 41 |
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