78XX
Electrical Characteristics
7824
I
Electrical characteristics at specified virtual junction temperature, V
= 33V, I
O
= 500mA (unless otherwise noted)
Parameter
Test Conditions*
7824
Typ
Units
Min
Max
Output voltage**
25C
0C to 125C
23
22.8
24
24
25
25.2
V
I
O
= 5mA to 1A,
= 27V to 38V, P≤
V
I
mV
25C
18
6
480
240
Input regulation
V
V
I
= 27V to 38V
I= 30V to 36V
0C to 125C
25C
50
66
dB
Ripple rejection
V
I
= 28V to 38V,
f= 120Hz
mV
12
4
480
240
Output regulation
IO
= 5mA to 1.5A
IO
= 250mA to 750mA
Output resistance
f= 1KHz
= 5mA
f= 10 Hz to 100 KHz
= 1A
0C to 125C
0C to 125C
25C
0.028
-1.5
170
2.0
Ω
Temperature coefficient of output voltage
Output noise voltage
Dropout voltage
I
O
mV/C
µ
V
IO
25C
V
Bias current
25C
4.6
8
mA
A
0C to 125C
1
Bias current change
V
IO
I
= 27V to 38V
= 5mA to 1A
0.5
Short-circuit output current
Peak output current
25C
25C
150
2.1
*
Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal
effects must be taken into account separately.
**
This specification applies only for dc power dissipation permitted by absolute maximum ratings.
Electrical Characteristics
7827
I
Electrical characteristics at specified virtual junction temperature, V
= 36V, I
O
= 500mA (unless otherwise noted)
Parameter
Test Conditions*
MIK7827
Typ
Units
Min
25.9
25.7
Max
28.1
28.3
V
Output voltage**
25C
27
27
I
O
= 5mA to 1A,
= 30V to 40V, P≤15W
0C to 125C
V
I
mV
25C
25
10
540
270
Input regulation
V
V
I
= 30V to 40V
I= 33V to 39V
0C to 125C
25C
50
64
dB
Ripple rejection
V
I
= 30V to 40V,
f= 120Hz
mV
20
9
540
270
Output regulation
IO
= 5mA to 1.5A
IO
= 250mA to 750mA
Output resistance
f= 1KHz
= 5mA
f= 10 Hz to 100 KHz
= 1A
0C to 125C
0C to 125C
25C
0.030
-1.6
200
2.0
Ω
Temperature coefficient of output voltage
Output noise voltage
Dropout voltage
I
O
mV/C
µ
V
IO
25C
V
Bias current
25C
4.8
8
mA
0C to 125C
1
Bias current change
V
I= 30V to 40V
IO
= 5mA to 1A
0.5
Short-circuit output current
Peak output current
25C
25C
120
2.1
A
*
Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal
effects must be taken into account separately.
**
This specification applies only for dc power dissipation permitted by absolute maximum ratings.
BEIJING ESTEK ELECTRONICS CO.,LTD
8
ESTEK [ Estek Electronics Co. Ltd ]
