參數(shù)資料
型號: L7810CD2T-TR1
廠商: 意法半導體
元件分類: 基準電壓源/電流源
英文描述: 5.0 AMP POSITIVE VOLTAGE REGULATOR
中文描述: 5.0放大器正電壓穩(wěn)壓器
文件頁數(shù): 17/52頁
文件大?。?/td> 1717K
代理商: L7810CD2T-TR1
L78xx - L78xxC
Electrical characteristics
17/52
Table 10.
Electrical characteristics of L7820
(refer to the test circuits, T
J
= -55 to 150°C, V
I
= 28 V,
I
O
= 500 mA, C
I
= 0.33 μF, C
O
= 0.1 μF unless otherwise specified)
Parameter
Test conditions
Symbol
Min.
Typ.
Max.
Unit
V
O
Output voltage
T
J
= 25°C
I
O
= 5 mA to 1 A, P
O
15 W
V
I
= 24 to 35 V
19.2
20
20.8
V
V
O
Output voltage
19
20
21
V
Δ
V
O(1)
Line regulation
V
I
= 22.5 to 35 V, T
J
= 25°C
200
mV
V
I
= 26 to 32 V, T
J
= 25°C
100
Δ
V
O(1)
Load regulation
I
O
= 5 mA to 1.5 A, T
J
= 25°C
200
mV
I
O
= 250 to 750 mA, T
J
= 25°C
100
I
d
Quiescent current
T
J
= 25°C
6
mA
Δ
I
d
Quiescent current change
I
O
= 5 mA to 1 A
0.5
mA
V
I
= 24 to 35 V
0.8
Δ
V
O
/
Δ
T
Output voltage drift
I
O
= 5 mA
2.5
mV/°C
eN
Output noise voltage
B =10 Hz to 100 KHz, T
J
= 25°C
40
μV/V
O
SVR
Supply voltage rejection
V
I
= 24 to 35 V, f = 120 Hz
58
dB
V
d
Dropout voltage
I
O
= 1 A, T
J
= 25°C
2
2.5
V
R
O
Output resistance
f = 1 KHz
24
m
Ω
I
sc
Short circuit current
V
I
= 35 V, T
J
= 25°C
0.75
1.2
A
I
scp
Short circuit peak current
T
J
= 25°C
1.3
2.2
3.3
A
1.
Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
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