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參數(shù)資料
| 型號： | L79LXXAC |
| 廠商： | 意法半導體 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Negative voltage regulators |
| 中文描述： | 負電壓穩(wěn)壓器 |
| 文件頁數(shù)： | 11/22頁 |
| 文件大?。?/td> | 682K |
| 代理商： | L79LXXAC |
L79LxxAB - L79LxxAC - L79LxxC
Electrical characteristics
11/22
Table 13.
Electrical characteristics of L79L09AB and L79L09AC
(refer to the test circuits,
V
I
= - 15 V, I
O
= 40 mA, C
I
= 0.33 μF, C
O
= 0.1 μF, T
J
= 0 to 125 °C for L79L05AC,
T
J
= -40 to 125 °C for L79L05AB, unless otherwise specified)
Parameter
Test conditions
Symbol
Min.
Typ.
Max.
Unit
V
O
Output voltage
T
J
= 25°C
-8.64
-9
-9.36
V
V
O
Output voltage
I
O
= 1 to 40 mA, V
I
= -11.5 to -23 V
-8.55
-9.45
V
I
O
= 1 to 70 mA, V
I
= -15 V
-8.55
-9.45
Δ
V
O
Line regulation
V
I
= -11.5 to -23 V, T
J
= 25°C
225
mV
V
I
= -12 to -23 V, T
J
= 25°C
150
Δ
V
O
Load regulation
I
O
= 1 to 100 mA, T
J
= 25°C
80
mV
I
O
= 1 to 40 mA, T
J
= 25°C
40
I
d
Quiescent current
T
J
= 25°C
6
mA
T
J
= 125°C
5.5
mA
Δ
I
d
Quiescent current change
I
O
= 1 to 40 mA
0.1
mA
V
I
= -12 to -23 V
1.5
eN
Output noise voltage
B =10Hz to 100kHz, T
J
= 25°C
70
μV
SVR
Supply voltage rejection
V
I
= -12 to -23V, f = 120Hz
I
O
= 40 mA, T
J
= 25°C
37
44
dB
V
d
Dropout voltage
1.7
V
Table 14.
Electrical characteristics of L79L12AB and L79L12AC
(refer to the test circuits,
V
I
= - 19 V, I
O
= 40 mA, C
I
= 0.33 μF, C
O
= 0.1 μF, T
J
= 0 to 125 °C for L79L05AC,
T
J
= -40 to 125 °C for L79L05AB, unless otherwise specified)
Parameter
Test conditions
Symbol
Min.
Typ.
Max.
Unit
V
O
Output voltage
T
J
= 25°C
-11.5
-12
-12.5
V
V
O
Output voltage
I
O
= 1 to 40 mA, V
I
= -14.5 to -27 V
-11.4
-12.6
V
I
O
= 1 to 70 mA, V
I
= -19 V
-11.4
-12.6
Δ
V
O
Line regulation
V
I
= -14.5 to -27 V, T
J
= 25°C
250
mV
V
I
= -16 to -27 V, T
J
= 25°C
200
Δ
V
O
Load regulation
I
O
= 1 to 100 mA, T
J
= 25°C
100
mV
I
O
= 1 to 40 mA, T
J
= 25°C
50
I
d
Quiescent current
T
J
= 25°C
6.5
mA
T
J
= 125°C
6
mA
Δ
I
d
Quiescent current change
I
O
= 1 to 40 mA
0.1
mA
V
I
= -16 to -27 V
1.5
eN
Output noise voltage
B =10Hz to 100kHz, T
J
= 25°C
80
μV
SVR
Supply voltage rejection
V
I
= -15 to -25V, f = 120Hz
I
O
= 40 mA, T
J
= 25°C
37
42
dB
V
d
Dropout voltage
1.7
V
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