L78M00T Series
[L78M18T]
Recommended Operating Conditions at Ta = 25˚C
Input Voltage
Output Current
Parameter
Symbol
VIN
IOUT
Conditions
Ratings
Unit
21 to 33 V
5 to 500 mA
Operating Characteristics at Ta = 25˚C, VIN=27V, IOUT=350mA, See specified Test Circuit.
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Output Voltage
Line Regulation
Load Regulation
Output Voltage
Current Dissipation
Current Dissipation Variation (Line)
Current Dissipation Variation (Load)
Output Noise Voltage
Ripple Rejection
Minimum Input-Output Voltage Drop
Short Current
Peak Output Current
VOUT Tj=25°C
∆Vo LINE
Tj=25°C, 21V≤VIN≤35V, IOUT=200mA
Tj=25°C, 22V≤VIN≤35V, IOUT=200mA
∆Vo LOAD
Tj=25°C, 5mA≤IOUT≤500mA
Tj=25°C, 5mA≤IOUT≤200mA
VOUT 21V≤VIN≤33V, 5mA≤IOUT=350mA
ICC
Tj=25°C
∆ICC LINE 21V≤VIN≤33V, IOUT=200mA
∆ICC LOAD 5mA≤IOUT≤350mA
VNO 10Hz≤f≤100kHz
Rrej
f=120Hz, 22V≤VIN≤33V, Tj=25°C, IOUT=100mA
f=120Hz, 22V≤VIN≤33V, Tj=25°C, IOUT=300mA
VDROP IOUT=350mA
IOS
Tj=25°C, VIN=35V, to GND
IOP
Tj=25°C
17.3 18.0 18.7 V
10.0 100 mV
5.0
50 mV
360 mV
180 mV
17.1
18.9 V
4.9
6.0 mA
0.8 mA
0.5 mA
100
µV
53
dB
53
70
dB
2.0
V
300
mA
0.7
A
[L78M20T]
Recommended Operating Conditions at Ta = 25˚C
Input Voltage
Output Current
Parameter
Symbol
VIN
IOUT
Conditions
Ratings
Unit
23 to 35 V
5 to 500 mA
Operating Characteristics at Ta = 25˚C, VIN=29V, IOUT=350mA, See specified Test Circuit.
Parameter
Output Voltage
Line Regulation
Load Regulation
Output Voltage
Current Dissipation
Current Dissipation Variation (Line)
Current Dissipation Variation (Load)
Output Noise Voltage
Ripple Rejection
Minimum Input-Output Voltage Drop
Short Current
Peak Output Current
Symbol
Conditions
VOUT
∆Vo LINE
Tj=25°C
Tj=25°C, 23V≤VIN≤35V, IOUT=200mA
Tj=25°C, 24V≤VIN≤35V, IOUT=200mA
∆Vo LOAD
Tj=25°C, 5mA≤IOUT≤500mA
Tj=25°C, 5mA≤IOUT≤200mA
VOUT
ICC
∆ICC LINE
∆ICC LOAD
23V≤VIN≤35V, 5mA≤IOUT=350mA
Tj=25°C
23V≤VIN≤35V, IOUT=200mA
5mA≤IOUT≤350mA
VNO 10Hz≤f≤100kHz
Rrej
f=120Hz, 24V≤VIN≤34V, Tj=25°C, IOUT=100mA
f=120Hz, 24V≤VIN≤34V, Tj=25°C, IOUT=300mA
VDROP IOUT=350mA
IOS
Tj=25°C, VIN=35V, to GND
IOP
Tj=25°C
Ratings
Unit
min typ max
19.2 20.0 20.8 V
10.0 100 mV
5.0
50 mV
400 mV
200 mV
19.0
21.0 V
4.9
6.0 mA
0.8 mA
0.5 mA
110
µV
53
dB
53
70
dB
2.0
V
300
mA
0.7
A
No.2609–6/8