BA178M!!T / BA178M!!FP series
Regulator ICs
<BA178M15T / FP individual specifications> (unless otherwise noted, Ta=25°C, VIN=23V, IO=350mA)
Measurement
circuit
Parameter
Output voltage 1
Conditions
Symbol Min. Typ. Max. Unit
I
O
=350mA
IN=17.5 30V, I
IN=17.5 30V, I
IN=20 30V, I =200mA
IN=1Vrms, f=120Hz, I =100mA
Fig.1
Fig.1
Fig.1
Fig.1
Fig.2
Fig.1
Fig.1
Fig.1
Fig.3
Fig.4
Fig.5
Fig.5
Fig.5
Fig.1
Fig.6
V
O1
O2
14.4 15.0 15.6
V
V
Output voltage 2
V
V
V
~
O=5~350mA
V
14.25
−
6
15.75
100
50
−
Input stability 1
~
O
=200mA
Reg.I
Reg.I
R.R.
1
2
−
−
mV
mV
dB
Input stability 2
~
O
3
Ripple rejection ratio
Load regulation 1
e
O
54
−
60
20
10
−0.6
130
2.0
4.5
−
I
I
I
O
=5
~
~
500mA
200mA
Reg.L
1
2
300
150
−
mV
mV
mV/°C
µV
Load regulation 2
O
O
=5
Reg.L
−
Temperature coefficient of output voltage
Output noise voltage
Minimum I/O voltage differential
Bias current
=5mA, T
100kHz
=500mA
=0mA
=5 350mA
IN=17.5 30V, I
Tj=25°C
IN=30V
j
=0~125°C
T
CVO
−
f=10Hz
~
V
n
−
−
I
I
I
O
O
O
V
d
−
−
V
I
b
−
6.0
0.5
0.8
−
mA
mA
mA
mA
A
Bias current change 1
Bias current change 2
Peak output current
Output short-circuit current
~
I
I
b1
b2
−
V
~
O
=200mA
−
−
I
O
−
P
−
875
0.17
V
I
OS
−
−
<BA178M18T / FP individual specifications> (unless otherwise noted, Ta=25°C, VIN=27V, IO=350mA)
Measurement
circuit
Parameter
Output voltage 1
Symbol Min. Typ. Max. Unit
Conditions
V
O1
O2
17.3 18.0 18.7
V
V
I
O
=350mA
Fig.1
Fig.1
Fig.1
Fig.1
Fig.2
Fig.1
Fig.1
Fig.1
Fig.3
Fig.4
Fig.5
Fig.5
Fig.5
Fig.1
Fig.6
Output voltage 2
V
17.1
−
−
7
18.9
100
50
−
V
V
V
IN=21
IN=21
IN=24
~
~
~
33V, I
33V, I
33V, I
O
O
O
=5~350mA
Input stability 1
Reg.I
Reg.I
R.R.
1
mV
mV
dB
=200mA
=200mA
Input stability 2
2
−
3
Ripple rejection ratio
Load regulation 1
53
−
58
20
10
−0.6
140
2.0
4.5
−
e
IN=1Vrms, f=120Hz, I =100mA
O
Reg.L
1
2
360
180
−
mV
mV
mV/°C
µV
I
I
I
O
=5
~
~
500mA
200mA
Load regulation 2
Reg.L
−
O
O
=5
Temperature coefficient of output voltage
Output noise voltage
Minimum I/O voltage differential
Bias current
T
CVO
−
=5mA, T
100kHz
=500mA
=0mA
=5 350mA
33V, I
j=0~125°C
V
n
−
−
f=10Hz
~
V
d
−
−
V
I
I
I
O
O
O
I
b
−
6.0
0.5
0.8
−
mA
mA
mA
mA
A
Bias current change 1
Bias current change 2
Peak output current
Output short-circuit current
I
b1
b2
−
~
I
−
−
V
IN=21
~
O
=200mA
I
O
−
P
−
875
0.17
Tj=25°C
IN=30V
I
OS
−
−
V