Voltage Regulators
AN78xx/AN78xxF Series
7
I
Electrical Characteristics at T
a
=
25
°
C (continued)
AN7820, 7820F (20V type)
Parameter
Output voltage
AN7824, 7824F (24V type)
Parameter
Output voltage
V
O
V
V
O
V
REG
IN
mV
mV
REG
L
mV
mV
mA
I
Bias
mA
I
Bias(IN)
I
Bias(L)
V
no
RR
mA
μ
V
dB
V
V
DIF(min)
Z
O
I
O(Short)
I
O(Peak)
V
O
/T
a
m
mA
A
mV/
°
C
20.8
20
T
j
=
25
°
C
V
I
=
24 to 35V, I
O
=
5mA to 1A,
T
j
=
0 to 125
°
C, P
D
≤
*
V
I
=
23 to 35V, T
j
=
25
°
C
V
I
=
26 to 32V, T
j
=
25
°
C
400
200
15
5
12
I
O
=
5mA to 1.5A, T
j
=
25
°
C
I
O
=
250 to 750mA, T
j
=
25
°
C
T
j
=
25
°
C
V
I
=
23 to 35V, T
j
=
25
°
C
I
O
=
5mA to 1A, T
j
=
25
°
C
f
=
10Hz to 100kHz
V
I
=
24 to 34V, I
O
=
100mA, f
=
120Hz
I
O
=
1A, T
j
=
25
°
C
f
=
1kHz
V
I
=
35V, T
j
=
25
°
C
T
j
=
25
°
C
I
O
=
5mA, T
j
=
0 to 125
°
C
4.1
110
1
0.5
21
400
200
8
53
19.2
19
2
22
700
2
4
1.2
Symbol
Conditions
Min
Typ
Max
Output voltage tolerance
Line regulation
Load regulation
Bias current
Bias current fluctuation to input
Bias current fluctuation to load
Output noise voltage
Ripple rejection ratio
Minimum input/output voltage difference
Output impedance
Output short-circuit current
Peak output current
Output voltage temperature coefficient
Unit
Note 1) The specified condition T
j
=
25
°
C means that the test should be carried out within so short a test time (within 10ms) that the
characteristic value drift due to the chip junction temperature rise can be ignored.
Note 2) Unless otherwise specified, V
=
29V, I
=
500mA, C
I
=
0.33
μ
F and C
O
=
0.1
μ
F.
* AN78xx series: 15W, AN78xxF series: 10.25W
V
O
V
V
O
V
REG
IN
mV
mV
REG
L
mV
mV
mA
I
Bias
mA
I
Bias(IN)
I
Bias(L)
V
no
RR
mA
μ
V
dB
V
V
DIF(min)
Z
O
I
O(Short)
I
O(Peak)
V
O
/T
a
m
mA
A
mV/
°
C
25
24
T
j
=
25
°
C
V
I
=
28 to 38V, I
O
=
5mA to 1A,
T
j
=
0 to 125
°
C, P
D
≤
*
V
I
=
27 to 38V, T
j
=
25
°
C
V
I
=
30 to 36V, T
j
=
25
°
C
480
240
18
6
12
I
O
=
5mA to 1.5A, T
j
=
25
°
C
I
O
=
250 to 750mA, T
j
=
25
°
C
T
j
=
25
°
C
V
I
=
27 to 38V, T
j
=
25
°
C
I
O
=
5mA to 1A, T
j
=
25
°
C
f
=
10Hz to 100kHz
V
I
=
28 to 38V, I
O
=
100mA, f
=
120Hz
I
O
=
1A, T
j
=
25
°
C
f
=
1kHz
V
I
=
38V, T
j
=
25
°
C
T
j
=
25
°
C
I
O
=
5mA, T
j
=
0 to 125
°
C
4.1
170
1
0.5
25.2
480
240
8
50
23
22.8
2
28
700
2
4
1.4
Symbol
Conditions
Min
Typ
Max
Output voltage tolerance
Line regulation
Load regulation
Bias current
Bias current fluctuation to input
Bias current fluctuation to load
Output noise voltage
Ripple rejection ratio
Minimum input/output voltage difference
Output impedance
Output short-circuit current
Peak output current
Output voltage temperature coefficient
Unit
Note 1) The specified condition T
j
=
25
°
C means that the test should be carried out within so short a test time (within 10ms) that the
characteristic value drift due to the chip junction temperature rise can be ignored.
Note 2) Unless otherwise specified, V
=
33V, I
=
500mA, C
I
=
0.33
μ
F and C
O
=
0.1
μ
F.
* AN78xx series: 15W, AN78xxF series: 10.25W