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PDF BA51W12SAT Data sheet ( Hoja de datos )
| Número de pieza | BA51W12SAT | |
| Descripción | Dual output voltage regulator with power saving | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Regulator ICs
BA51W12SAT
Dual output voltage regulator with power
saving
BA51W12SAT
The BA51W12SAT is a general-purpose, low saturation power supply with two outputs : 9V, 1A and 5V, 500mA. The IC is
available in a compact TO220FP-5 package. The outputs can be turned off during the power saving state with the built-in
switch. Also built in the IC is an overcurrent protection circuit, an overvoltage protection circuit, and a thermal shutdown
circuit.
!Applications
Car audio systems, VCRs, facsimiles, air conditioners, and other household and industrial equipment
!Features
1) Minimum I / O voltage differential is 0.5V or less.
2) Built-in protection circuits against overcurrent, over voltage, and overheat.
3) Available in a compact TO220FP-5 package (pins are bendable).
4) Zero power saving current. (Typ.)
!Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Limits
Power supply voltage
Power dissipation
VCC
Pd
35
2000∗1
Operating temperature
Topr
−40~+85
Storage temperature
Tstg
−55~+150
Peak applied voltage
VCCPeak
50∗2
∗1 Reduced by 16mW for each increase in Ta of 1°C over 25°C.
∗2 Applied time is less than 200 ms (tr≥1ms).
tr≥1ms
50V
35V
Max.200ms
Unit
V
mW
°C
°C
V
0V
!Recommended operating conditions (Ta=25°C)
Parameter
Power supply voltage
Symbol
VCC
Min.
10
Typ.
14
Max.
25
Unit
V
1 page  
Regulator ICs
0.33µ
VCC
BA51W12SAT
V
OUT1
VCC
CTL GND
OUT2
V
+ 22µ
+ 22µ
5V
V
350mA
VCC=8.55V when measuring minimum I / O voltage difference 1
VCC=4.75V when measuring minimum I / O voltage difference 2
Fig.3 Circuit for measuring minimum I / O voltage difference
500mA
V
A
0.33µ
VCC
OUT1
VCC
CTL GND
OUT2
5V
+ 22µ
VCC=14V, IO=0mA, VCTL=5V when measuring bias current
VCC=14V, IO=0mA, VCTL=0V when measuring power save current
Fig.4 Circuit for measuring bias current power supply current
+ 22µ
VCC=25V
0.33µ
OUT1
VCC
CTL GND
OUT2
5V
+
22µ
A
Fig.5 Circuit for measuring output short-circuit current
+
22µ
A
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet BA51W12SAT.PDF ] | |
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