參數(shù)資料
型號(hào): L7820
廠商: 意法半導(dǎo)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(yè)數(shù): 18/52頁(yè)
文件大小: 1800K
代理商: L7820
Electrical characteristics
L78xx - L78xxC
18/52
Table 11.
Electrical characteristics of L7824
(refer to the test circuits, T
J
= -55 to 150°C, V
I
= 33 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
= 28 to 38 V
23
24
25
V
V
O
Output voltage
22.8
24
25.2
V
Δ
V
O(1)
Line regulation
V
I
= 27 to 38 V, T
J
= 25°C
240
mV
V
I
= 30 to 36 V, T
J
= 25°C
120
Δ
V
O(1)
Load regulation
I
O
= 5 mA to 1.5 A, T
J
= 25°C
240
mV
I
O
= 250 to 750 mA, T
J
= 25°C
120
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
= 28 to 38 V
0.8
Δ
V
O
/
Δ
T
Output voltage drift
I
O
= 5 mA
3
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
= 28 to 38 V, f = 120 Hz
56
dB
V
d
Dropout voltage
I
O
= 1 A, T
J
= 25°C
2
2.5
V
R
O
Output resistance
f = 1 KHz
28
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.
相關(guān)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(guān)代理商/技術(shù)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