Regulator ICs
BA178!!T / FP series
<BA17815T / FP individual specifications> (unless otherwise noted, Ta=25°C, VIN=23V, IO=500mA)
Parameter
Symbol Min.
Output voltage 1
VO1 14.4
Output voltage 2
VO2 14.25
Input stability 1
Reg.I1 −
Input stability 2
Reg.I2 −
Ripple rejection ratio
R.R. 54
Load regulation 1
Reg.L1 −
Load regulation 2
Reg.L2 −
Temperature coefficient of output voltage TCVO
−
Output noise voltage
Vn
−
Minimum I/O voltage differential
Vd
−
Bias current
Ib
−
Bias current change 1
Ib1
−
Bias current change 2
Ib2
−
Peak output current
IO-P
−
Output short-circuit current
IOS
−
Typ.
15.0
−
9
5
62
27
10
−0.6
125
2.0
4.5
−
−
1.7
0.3
Max. Unit
Conditions
Measurement
circuit
15.6 V IO=500mA
Fig.1
15.75 V VIN=17.5∼30V, IO=5mA∼1A
Fig.1
300 mV VIN=17.5∼30V, IO=500mA
Fig.1
150 mV VIN=20∼26V, IO=500mA
Fig.1
−
dB eIN=1Vrms , f=120Hz, IO=100mA Fig.2
300 mV IO=5mA∼1A
Fig.1
150 mV IO=250∼750mA
Fig.1
− mV/˚C IO=5mA, Tj=0∼125˚C
Fig.1
−
µV f=10Hz∼100kHz
Fig.3
−
V IO=1A
Fig.4
8.0 mA IO=0mA
Fig.5
0.5 mA IO=5mA∼1A
Fig.5
0.8 mA VIN=17.5∼30V
Fig.5
−
A Tj =25˚C
Fig.1
−
A VIN=30V
Fig.6
<BA17818T / FP individual specifications> (unless otherwise noted, Ta=25°C, VIN=27V, IO=500mA)
Parameter
Symbol
Output voltage 1
VO1
Output voltage 2
VO2
Input stability 1
Reg.I1
Input stability 2
Reg.I2
Ripple rejection ratio
R.R.
Load regulation 1
Reg.L1
Load regulation 2
Reg.L2
Temperature coefficient of output voltage TCVO
Output noise voltage
Vn
Minimum I/O voltage differential
Vd
Bias current
Ib
Bias current change 1
Ib1
Bias current change 2
Ib2
Peak output current
IO-P
Output short-circuit current
IOS
Min.
17.3
17.1
−
−
55
−
−
−
−
−
−
−
−
−
−
Typ.
18.0
−
10
5
61
30
12
−0.6
140
2.0
4.5
−
−
1.7
0.3
Max. Unit
Conditions
Measurement
circuit
18.7 V IO=500mA
Fig.1
18.9 V VIN=21∼33V, IO =5mA∼1A
Fig.1
360 mV VIN=21∼33V, IO =500mA
Fig.1
180 mV VIN=24∼33V, IO =500mA
Fig.1
−
dB eIN=1Vrms, f=120Hz, IO =100mA Fig.2
360 mV IO=5mA∼1A
Fig.1
180 mV IO=250∼750mA
Fig.1
− mV/˚C IO=5mA, Tj=0∼125˚C
Fig.1
−
µV f=10Hz∼100kHz
Fig.3
−
V IO=1A
Fig.4
8.0 mA IO=0mA
Fig.5
0.5 mA IO=5mA∼1A
Fig.5
0.8 mA VIN=21∼33V
Fig.5
−
A Tj=25˚C
Fig.1
−
A VIN=30V
Fig.6