AiT Semiconductor Inc.
A78MXX
BIPOLAR LINEAR REGULATOR
www.ait-ic.com
THREE TERMINAL POSITIVE VOLTAGE REGULATOR
A78M18
0℃≤TJ≤+125℃, VI=26V, IO=350mA, CI=0.33μF, CO=0.1uF, unless otherwise specified
Parameter
Symbol
Conditions
Min.
17.3
Typ.
Max.
Unit
V
TJ=25°C
18
18
-
-
-
-
-
-
-
18.7
18.9
100
50
360
180
6
Output Voltage
VO
5mA≤IO≤350mA, 20.5V≤VI≤33V 17.1
21V≤VI≤33V
24V≤VI≤33V
5mA≤IO≤500mA
5mA≤IO≤200mA
-
-
-
-
-
-
-
TJ=25°C,
IO=200mA
Voltage Regulation
Current Regulation
SV
mV
SI
IQ
TJ=25°C
TJ=25°C
mV
mA
mA
Quiescent Current
Quiescent Current
Change
5mA≤IO≤350mA
IO=200mA, 21V≤VI≤33V
0.5
0.8
ΔIQ
Input-Output Differential
Pressure
VI-VO
Srip
TJ=25°C, IO=500mA
-
-
2
-
-
V
IO=300mA, 22V≤VI≤32V,
f=120Hz
Ripple Rejection Ratio
69
dB
A78M20
0℃≤TJ≤+125℃, VI=29V, IO=350mA, CI=0.33μF, CO=0.1uF, unless otherwise specified
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
V
TJ=25°C
5mA≤IO≤350mA, 23V≤VI≤35V
19.2
19
-
-
-
-
-
-
-
20
20
-
-
-
-
-
-
-
20.8
21
100
50
400
200
6
0.5
0.8
Output Voltage
VO
23V≤VI≤35V
24V≤VI≤35V
5mA≤IO≤500mA
5mA≤IO≤200mA
TJ=25°C,
IO=200mA
Voltage Regulation
Current Regulation
SV
mV
SI
IQ
TJ=25°C
TJ=25°C
mV
mA
mA
Quiescent Current
Quiescent Current
Change
5mA≤IO≤350mA
IO=200mA, 23V≤VI≤35V
ΔIQ
Input-Output Differential
Pressure
VI-VO
Srip
TJ=25°C, IO=500mA
-
-
2
-
-
V
IO=300mA, 24V≤VI≤34V,
f=120Hz
Ripple Rejection Ratio
69
dB
REV2.0
- NOV 2013 RELEASED, MAR 2019 UPDATED -
- 7 -
AITSEMI [ AiT Semiconductor ]
