GM7800_09 Datasheet, PDF (6/11 Pages) Gamma Microelectronics Inc. – 1.5A POSITIVE VOLTAGE REGULATOR

GM7800 Series
1.5A POSITIVE VOLTAGE REGULATOR
GM7808 Electrical Characteristics (V_I = 14V, I_O = 500mA unless otherwise noted)
Parameter
Test Condition
Min Typ Max Unit
Output Voltage (note *)
Input Regulation
I_O =5mA to 1A
V_I = 10.5V to 23V, P 15W
V_I = 10.5V to 25V
V_I = 11V to 17V
25°C
7.7 8.0 8.3
V
0°C to 125°C 7.6 8.0 8.4
25°C
6
160
mV
2
80
Ripple Rejection
V_I = 11.5V to 21.5V, f = 120KHz 25°C
52
72
dB
Output Regulation
I_O = 5mA to 1.5A
I_O = 250mA to 750mA
25°C
12 160
mV
4
80
Output Resistance
Temperature Coefficient
of Output Voltage
f = 1KHz
I_O = 5mA
0°C to 125°C
0°C to 125°C
0.016
-0.8
Ω
mV/°C
Output Noise Voltage
f = 10Hz to 100KHz
25°C
52
µV
Dropout Voltage
I_O = 1A
25°C
2.0
V
Bias Current
25°C
4.3
8
mA
Bias Current Change
V_I = 11V to 23V
I_O = 1mA to 40mA
0°C to 125°C
1.5
mA
0.1
Short Circuit Output
Current
25°C
450
mA
Peak Output Current
25°C
2.2
A
Note *: This specification applies only for dc power dissipation permitted by absolute maximum ratings.
GM7809 Electrical Characteristics (V_I = 16V, I_O = 500mA unless otherwise noted)
Parameter
Test Condition
Min Typ Max Unit
Output Voltage (note *)
Input Regulation
I_O =5mA to 1A
V_I = 11.5V to 24V, P 15W
V_I = 11.5V to 27V
V_I = 13V to 19V
25°C
8.6 9.0 9.4
V
0°C to 125°C 8.55 9.0 9.45
25°C
7
180
mV
2
90
Ripple Rejection
V_I = 12V to 22V, f = 120KHz
25°C
55
70
dB
Output Regulation
I_O = 5mA to 1.5A
I_O = 250mA to 750mA
25°C
12 180
mV
4
90
Output Resistance
Temperature Coefficient
of Output Voltage
Output Noise Voltage
f = 1KHz
I_O = 5mA
f = 10Hz to 100KHz
0°C to 125°C
0°C to 125°C
25°C
0.018
-1.0
60
Ω
mV/°C
µV
Dropout Voltage
I_O = 1A
25°C
2.0
V
Bias Current
25°C
4.3
8
mA
Bias Current Change
V_I = 11.5V to 27V
I_O = 5mA to 1A
0°C to 125°C
1
mA
0.5
Short Circuit Output
Current
25°C
400
mA
Peak Output Current
25°C
2.2
A
Note *: This specification applies only for dc power dissipation permitted by absolute maximum ratings.
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