參數(shù)資料
型號: L7924C
廠商: 意法半導(dǎo)體
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Negative Voltage Regulator(輸出負(fù)電壓穩(wěn)壓器)
中文描述: 負(fù)電壓穩(wěn)壓器(輸出負(fù)電壓穩(wěn)壓器)
文件頁數(shù): 11/24頁
文件大?。?/td> 822K
代理商: L7924C
L79xxC
Electrical characteristics
11/24
Electrical characteristics of L7924C
(refer to the test circuits, T
J
= 0 to 125 °C, V
I
= -33 V,
I
O
= 500 mA, C
I
= 2.2 μF, C
O
= 1 μF unless otherwise specified)
Parameter
Test conditions
Table 11.
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
= -27 to -38 V
-23
-24
-24.5
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
480
mV
V
I
= -30 to -36 V, T
J
= 25°C
240
Δ
V
O(1)
Load regulation
I
O
= 5 mA to 1.5 A, T
J
= 25°C
480
mV
I
O
= 250 to 750 mA, T
J
= 25°C
240
I
d
Quiescent current
T
J
= 25°C
3
mA
Δ
I
d
Quiescent current change
I
O
= 5 mA to 1 A
0.5
mA
V
I
= -27 to -38 V
1
Δ
V
O
/
Δ
T
Output voltage drift
I
O
= 5 mA
-1
mV/°C
eN
Output noise voltage
B = 10Hz to 100KHz, T
J
= 25°C
Δ
V
I
= 10 V, f = 120Hz
I
O
= 1 A, T
J
= 25°C,
Δ
V
O
= 100 mV
400
μV
SVR
Supply voltage rejection
54
60
dB
V
d
Dropout voltage
1.1
V
I
sc
Short circuit current
1.1
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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