參數(shù)資料
型號: L7820
廠商: 意法半導體
英文描述: Positive Voltage Regulators(三端穩(wěn)壓器)
中文描述: 正電壓調(diào)節(jié)器(三端穩(wěn)壓器)
文件頁數(shù): 11/52頁
文件大?。?/td> 1800K
代理商: L7820
L78xx - L78xxC
Electrical characteristics
11/52
5
Electrical characteristics
Table 4.
Electrical characteristics of L7805
(refer to the test circuits, T
J
= -55 to 150°C, V
I
= 10 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
= 8 to 20 V
4.8
5
5.2
V
V
O
Output voltage
4.65
5
5.35
V
Δ
V
O(1)
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.
Line regulation
V
I
= 7 to 25 V, T
J
= 25°C
3
50
mV
V
I
= 8 to 12 V, T
J
= 25°C
1
25
Δ
V
O(1)
Load regulation
I
O
= 5 mA to 1.5 A, T
J
= 25°C
100
mV
I
O
= 250 to 750 mA, T
J
= 25°C
25
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
= 8 to 25 V
0.8
Δ
V
O
/
Δ
T
Output voltage drift
I
O
= 5 mA
0.6
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
= 8 to 18 V, f = 120 Hz
68
dB
V
d
Dropout voltage
I
O
= 1 A, T
J
= 25°C
2
2.5
V
R
O
Output resistance
f = 1 KHz
17
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
相關PDF資料
PDF描述
L7809AB PRECISION 1A REGULATORS
L7809ABV PRECISION 1A REGULATORS
L7809AC PRECISION 1A REGULATORS
L7809ACD2T PRECISION 1A REGULATORS
L7809ACV PRECISION 1A REGULATORS
相關代理商/技術參數(shù)
參數(shù)描述
L7820-02 制造商:HAMAMATSU 制造商全稱:Hamamatsu Corporation 功能描述:Light level control of light source Sensitivity control of optical sensor
L7820AB 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Precision 1A regulators
L7820ABD2T 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator
L7820ABD2TR 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator
L7820ABD2T-TR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Precision 1A regulators