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參數資料
| 型號： | 79XX |
| 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： | 負電壓調節器 |
| 文件頁數： | 3/16頁 |
| 文件大小： | 414K |
| 代理商： | 79XX |
L7900 SERIES
3/16
ORDERING CODES
(*) Available in Tape & Reel with the suffix "-TR".
TEST CIRCUIT
ELECTRICAL CHARACTERISTICS OF L7905C
(refer to the test circuits, T
J
= 0 to 125°C, V
I
= -10V,
I
O
= 500 mA, C
I
= 2.2 μF, C
O
= 1 μF unless otherwise specified).
(*) 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.
TYPE
TO-220
D
2
PAK (*)
TO-220FP
TO-3
OUTPUT VOLTAGE
L7905C
L7952C
L7906C
L7908C
L7912C
L7915C
L7918C
L7920C
L7922C
L7924C
L7905CV
L7952CV
L7906CV
L7908CV
L7912CV
L7915CV
L7918CV
L7920CV
L7922CV
L7924CV
L7905ACD2T
L7952ACD2T
L7906ACD2T
L7908ACD2T
L7912ACD2T
L7915ACD2T
L7918ACD2T
L7920ACD2T
L7922ACD2T
L7924ACD2T
L7905CP
L7905CT
L7952CT
L7906CT
L7908CT
L7912CT
L7915CT
L7918CT
L7920CT
L7922CT
L7924CT
-5 V
-5.2 V
-6 V
-8 V
-12 V
-15 V
-18 V
-20 V
-22 V
-24 V
L7906CP
L7908CP
L7912CP
L7915CP
L7918CP
L7920CP
L7924CP
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
O
V
O
Output Voltage
Output Voltage
T
J
= 25°C
I
O
= -5 mA to -1 A
V
I
= 8 to 20 V
V
I
= -7 to -25 V
V
I
= -8 to -12 V
I
O
= 5 mA to 1.5 A
I
O
= 250 to 750 mA
T
J
= 25°C
I
O
= 5 mA to 1 A
V
I
= -8 to -25 V
I
O
= 5 mA
B = 10Hz to 100KHz
V
I
= 10 V
I
O
= 1 A
-4.8
-4.75
-5
-5
-5.2
-5.25
V
V
P
O
≤
15 W
V
O
(*)
Line Regulation
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
100
50
100
50
3
0.5
1.3
mV
V
O
(*)
Load Regulation
mV
I
d
I
d
Quiescent Current
Quiescent Current Change
mA
mA
V
O
/
T Output Voltage Drift
eN
Output Noise Voltage
SVR
Supply Voltage Rejection
V
d
Dropout Voltage
I
sc
Short Circuit Current
-0.4
100
60
1.4
2.1
mV/°C
μ
V
dB
V
A
T
J
= 25°C
f = 120Hz
T
J
= 25°C
54
V
O
= 100 mV
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