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參數(shù)資料
| 型號(hào)： | AN79N18 |
| 英文描述： | Negative Fixed Voltage Regulator |
| 中文描述： | 負(fù)固定電壓穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 7/10頁(yè) |
| 文件大?。?/td> | 213K |
| 代理商： | AN79N18 |
Voltage Regulators
AN79Nxx Series
7
I
Electrical Characteristics at
T
a
=
25
°
C (continued)
AN79N18 (
18V type)
AN79N20 (
20V type)
V
O
V
O
V
V
T
j
=
25
°
C
V
I
=
21 to
33V, I
O
=
5 to 200mA
V
I
=
21 to
33V, T
j
=
25
°
C
V
I
=
22 to
32V, T
j
=
25
°
C
REG
IN
mV
mV
REG
L
mV
I
O
=
1 to 300mA, T
j
=
25
°
C
I
O
=
5 to 200mA, T
j
=
25
°
C
T
j
=
25
°
C
V
I
=
21 to
33V, T
j
=
25
°
C
I
O
=
5 to 200mA, T
j
=
25
°
C
f
=
10Hz to 100kHz
V
I
=
22 to
32V, I
O
=
50mA,
f
=
120Hz
I
O
=
200mA, T
j
=
25
°
C
V
I
=
35V, T
j
=
25
°
C
T
j
=
25
°
C
I
O
=
5mA
mV
mA
I
Bias
mA
I
Bias(IN)
I
Bias(L)
V
no
mA
μ
V
dB
RR
V
V
DIF(min)
mA
I
O(Short)
I
O(Peak)
V
O
/T
a
mA
mV/
°
C
18.7
18.9
18
80
50
18
13
30
3
450
0.5
0.1
300
150
5
55
17.3
17.1
1.1
10
500
1
10
Parameter
Symbol
Conditions
Min
Typ
Max
Output voltage
Output voltage tolerance
Line regulation
Load regulation
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
I
=
27V, I
O
=
100mA, C
I
=
2
μ
F, C
O
=
1
μ
F and T
j
=
0 to 125
°
C
Bias current
Bias current fluctuation to input
Bias current fluctuation to load
Output noise voltage
Ripple rejection ratio
Minimum input/output voltage difference
Output short-circuit current
Peak output current
Output voltage temperature coefficient
Unit
V
O
V
O
V
V
T
j
=
25
°
C
V
I
=
23 to
35V, I
O
=
5 to 200mA
V
I
=
23 to
35V, T
j
=
25
°
C
V
I
=
24 to
34V, T
j
=
25
°
C
REG
IN
mV
mV
REG
L
mV
I
O
=
1 to 300mA, T
j
=
25
°
C
I
O
=
5 to 200mA, T
j
=
25
°
C
T
j
=
25
°
C
V
I
=
23 to
35V, T
j
=
25
°
C
I
O
=
5 to 200mA, T
j
=
25
°
C
f
=
10Hz to 100kHz
V
I
=
24 to
34V, I
O
=
50mA,
f
=
120Hz
I
O
=
200mA, T
j
=
25
°
C
V
I
=
35V, T
j
=
25
°
C
T
j
=
25
°
C
I
O
=
5mA
mV
mA
I
Bias
mA
I
Bias(IN)
I
Bias(L)
V
no
mA
μ
V
dB
RR
V
V
DIF(min)
mA
I
O(Short)
I
O(Peak)
V
O
/T
a
mA
20.8
21
20
80
70
19
14
30
3
500
0.5
0.1
300
150
5
54
19.2
19
1.1
10
500
1
10
mV/
°
C
Parameter
Symbol
Conditions
Min
Typ
Max
Output voltage
Output voltage tolerance
Line regulation
Load regulation
Note 1) The specified condition T
=
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
I
=
29V, I
O
=
100mA, C
I
=
2
μ
F, C
O
=
1
μ
F and T
j
=
0 to 125
°
C
Bias current
Bias current fluctuation to input
Bias current fluctuation to load
Output noise voltage
Ripple rejection ratio
Minimum input/output voltage difference
Output short-circuit current
Peak output current
Output voltage temperature coefficient
Unit
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