BA44W12 データシートの表示（PDF） - ROHM Semiconductor
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BA44W12 Datasheet PDF : 9 Pages
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Regulator ICs
!Input / output circuits
CTL (5pin)
OUT1, 2
VCC (2pin)
BA44W12SAT
25k
25k
GND (3pin)
10.8k (1pin)
10.8k (4pin)
2k
GND (3pin)
1, 4pin
!Electrical characteristics (unless otherwise noted, Ta=25°C, VCC=13.0V)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Power save supply current
IST
-
0
10
µA OFF mode
Bias current
Ib
-
3.0
5.0
mA ON mode
<8V output section> (Output 1)
Test circuit
Fig.4
Fig.4
Output voltage 1
VO1
7.6
8.0
8.4
V
IO1=500mA
Minimum I / O voltage differential 1 ∆VO1
-
0.3
0.5
V
IO1=500mA VCC=7.6V
Output current capacity 1
IO1
1.0
-
-
A
Ripple rejection ratio 1
R.R1
-
55
-
dB
IO1=500mA, f=120Hz
eIN=1Vrms
Input stabillty 1
Reg.I1
-
50
100
mV VCC=9→25V, IO=500mA
Load regulation 1
Reg.L1
-
100
150
mV IO=5mA→1A
Output short-circuit current 1 IOS1
-
150
-
mA VCC=25V
<8V output section> (Output 2)
Fig.1
Fig.3
Fig.1
Fig.2
Fig.1
Fig.1
Fig.5
Output voltage 2
VO2
7.6
8.0
8.4
V
IO2=350mA
Minimum I / O voltage differential 2 ∆VO2
-
0.3
0.5
V
IO2=350mA VCC=7.6V
Output current capacity 2
IO2
500
-
-
mA
Ripple rejection ratio 2
R.R2
-
60
-
dB
IO2=350mA, f=120Hz
eIN=1Vrms
Input stabillty 2
Reg.I2
-
50
100
mV VCC=9→25V, IO=350mA
Load regulation 2
Reg.L2
-
50
100
mV IO=5mA→500mA
Output short-circuit current 2 IOS2
-
100
-
mA VCC=25V
<CTL section>
Fig.1
Fig.3
Fig.1
Fig.2
Fig.1
Fig.1
Fig.5
ON mode voltage
OFF mode voltage
Input high level current
Vth1
2.0
-
-
V Output ACTIVE MODE
Vth2
-
-
0.8
V Output OFF MODE
IIN
-
150
-
µA Vth=5V
Fig.6
Fig.6
Fig.7
Note) All the characteristic values are measured with a 0.33µF-capacitor connected the input pin and 22µF-capacitor connected to the output pin.
Measurements are made by using a plus (tw≤10ms, duty cycle≤5%) in all cases but noise voltage and the ripple rejection ratio.
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