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SI-3000B Dataheets PDF



Part Number SI-3000B
Manufacturers Sanken electric
Logo Sanken electric
Description Regulator
Datasheet SI-3000B DatasheetSI-3000B Datasheet (PDF)

qSI-3000B Series SI-3000B Series 5-Terminal, Multi-Function, Full-Mold, Low Dropout Voltage Dropper Type sFeatures Compact full-mold package (equivalent to TO220) Output current: 0.27A Low dropout voltage: VDIF≤0.5V (at IO=0.27A) 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, thermal protection circuits • Highly accurate overcurent protection starting current SI-3157B : 0.3 to 0.7A (VIN=18.

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qSI-3000B Series SI-3000B Series 5-Terminal, Multi-Function, Full-Mold, Low Dropout Voltage Dropper Type sFeatures Compact full-mold package (equivalent to TO220) Output current: 0.27A Low dropout voltage: VDIF≤0.5V (at IO=0.27A) 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, thermal protection circuits • Highly accurate overcurent protection starting current SI-3157B : 0.3 to 0.7A (VIN=18V) SI-3025B : 0.3 to 0.7A (When VIN=18V, setting VO=15.7V) 0.3 to 0.75A (When VIN=18V, setting VO=11.7V) • Variable output voltage type (SI-3025B) also available • • • • sApplications • For BS and CS antenna power supplies • Electronic equipment sAbsolute Maximum Ratings Paarameter 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 VIN VC IO PD1 PD2 Tj Top Tstg Rth(j-c) Rth(j-a) Ratings 35 VIN 0.27*1 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) Unit V V A W W °C °C °C °C/W °C/W (Ta=25°C) 28 qSI-3000B Series sElectrical Characteristics Ratings Parameter Input Voltage Output Voltage (SI-3025B: Reference Voltage) Dropout Voltage Line Regulation Load Regulation Temperature Coefficient of Output Voltage (SI-3025B: Temperature Coefficient of Reference Voltage) Ripple Rejection Quiescent Circuit Current Overcurrent Protection Starting Current*3,4 Conditions Control Voltage (Output ON) Control Voltage (Output OFF) VC Control Current Control Current (Output OFF) Terminal*5 (Output ON) VC. IH VC. IL IC. IH Conditions IC. IL Conditions VC=0.4V VC=2.7V –0.3 2.0 0.8 20 Symbol min. VIN VO (VREF) Conditions VDIF Conditions ∆VOLINE Conditions ∆VOLOAD Conditions ∆VO/∆Ta (∆VREF/∆Ta) Conditions RREJ Conditions Iq Conditions IS1 Conditions 0.3 VIN=18V IO≤0.27A 30 VIN=17 to 27V, IO=0.2A 120 VIN=18V, IO=0 to 0.27A ± 1.5 VIN=18V, IO=5mA, Tj=0 to 100°C 54 VIN=18V, f=100 to 120HZ 3 VIN=18V, IO=0A 0.7 0.3 0.3 2.0 10 300 90 VIN=18V, IO=0.2A 0.5 *2 (Ta=25°C unless otherwise specified) SI-3157B typ. max. 27*1 15.70 16.48 min. 6*2,6 2.448 SI-3025B typ. max. 27*1 2.550 VIN=VO+3V, IO=0.2A 0.5 IO≤0.27A 10 VIN=(VO+1) to 27V, IO=0.27A 10 VIN=VO+3V, IO=0 to 0.27A ± 0.5 VIN=VO+3V, IO=5mA, Tj=0 to 100°C 54 VIN=VO+3V, f=100 to 120HZ 3 VIN=VO+3V, IO=0A 0.75 When VIN=18V, setting VO=11.7V 0.7 When VIN=18V, setting VO=15.7V 10 2.652 Unit V V 14.92 V mV (3025B: mV/V) mV (3025B: mV/V) mV/ °C dB mA A V 0.8 20 VC=2.7V –0.3 VC=0.4V µA mA *1: VIN(max) and IO(max) are restricted by the relation PD(max)=(VIN-VO)•IO=14(W). *2: Refer to the dropout voltage.(Refer to Setting DC Input Voltage on page 7.) *3: IS1 is specified at –5(%) drop point of output voltage VO on the condition that V.


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