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SI-3157B Schematic ( PDF Datasheet ) - Sanken electric

Teilenummer SI-3157B
Beschreibung 5-Terminal/ Multi-Function/ Full-Mold/ Low Dropout Voltage Dropper Type
Hersteller Sanken electric
Logo Sanken electric Logo 




Gesamt 5 Seiten
SI-3157B Datasheet, Funktion
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: VDIF0.5V (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)
(Ta=25°C)
Unit
V
V
A
W
W
°C
°C
°C
°C/W
°C/W
28





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