ELECTRICAL CHARACTERISTICS at specified Junction Temperature
GM7818: V=27V, I =500mA, (unless otherwise noted)
O
I
CHARACTERISTICS
TEST CONDITIONS *
25°C
MIN
17.3
17.1
TYP
18
MAX UNIT
18.7
Output Voltage **
I = 5mA to 1A
O
V
0°C to 125°C
18
18.9
V =21V to 33V, P 15W
I
V =21V to 33V
I
15
5
360
mV
180
Input Regulation
Ripple Rejection
Output Regulation
Output Resistance
25°C
0°C to 125°C
25°C
V =24V to 30V
I
V =22V to 32V, f = 120Hz
I
69
dB
53
I =5mA to 1.5A
O
12
360
mV
180
I =250mA to 750mA
O
4
f = 1kHz
0°C to 125°C
0°C to 125°C
0.022
W
Temperature Coefficient
Output Voltage
I = 5mA
O
-1.0
mV/°C
Output Noise Voltage
µV
V
f = 10Hz to 100kHz
25°C
25°C
25°C
110
2.0
4.5
I = 1A
O
Dropout Voltage
Bias Current
8
mA
V = 21V to 33V
I
1.0
0.5
Bias Current Change
0°C to 125°C
mA
I =5mA to 1A
O
Short-Circuit Output Current
Peak Output Current
200
2.1
mA
A
25°C
25°C
GM7820: V=29V, I =500mA, (unless otherwise noted)
O
I
CHARACTERISTICS
TEST CONDITIONS *
25°C
MIN
19.2
19
TYP
20
MAX UNIT
20.8
Output Voltage **
I = 5mA to 1A
O
V
0°C to 125°C
20
21
V =23V to 35V, P 15W
I
V =23V to 35V
I
18
7
400
mV
200
Input Regulation
Ripple Rejection
Output Regulation
Output Resistance
25°C
0°C to 125°C
25°C
V =26V to 32V
I
V =24V to 34V, f = 120Hz
I
66
dB
51
I =5mA to 1.5A
O
15
400
mV
200
I =250mA to 750mA
O
7
f = 1kHz
0°C to 125°C
0°C to 125°C
0.027
W
Temperature Coefficient
Output Voltage
I = 5mA
O
-1.3
mV/°C
Output Noise Voltage
µV
V
f = 10Hz to 100kHz
25°C
25°C
25°C
150
2.0
4.5
I = 1A
O
Dropout Voltage
Bias Current
8
mA
V = 23V to 35V
I
1.0
0.5
Bias Current Change
0°C to 125°C
mA
I =5mA to 1A
O
Short-Circuit Output Current
Peak Output Current
180
2.1
mA
A
25°C
25°C
*Pulse testing tehniques are used to maintain the junction temperature as close to the ambient temperature as possible.
Thermal effects must be taken into account.
** The specification applies only for DC power dissipation permitted by absolute maximum ratings
8
GAMMA [ GAMMA MICROELECTRONICS INC. ]
