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參數(shù)資料
| 型號(hào)： | L4909 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | EXTERNALLY ADJUSTABLE MULTIFUNCTION REGULATOR |
| 中文描述： | 外部可調(diào)多功能調(diào)節(jié)器 |
| 文件頁數(shù)： | 3/7頁 |
| 文件大?。?/td> | 61K |
| 代理商： | L4909 |
3/7
L4909
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
ELECTRICAL CHARACTERISTICS
(C
out
= 100nF; V
in
-V
o
= 5V; I
o
= 10mA; T
case
= 25
°
C unless otherwise
specified
Symbol
Parameter
Value
Unit
Vin
VinA,VinB input DC supply voltage
40
V
Io
Vo1, Vo2, Vo3 output currents
internally limited
Voc
OC output voltage
min (15, Vin)
V
VENx
ENx input voltage
15
V
Top
Operating temperature range
0 to 70
o
C
Tstg
Storage temperature
- 40 to 150
o
C
Symbol
Parameter
Value
Unit
R
TH j-case
Thermal Resistance Junction to Case
1.8
°
C/W
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Vo1
REG1 output voltage range
5
12
V
V(FB1)
REG1 feedback voltage
EN1=ON;
1.22
1.27
1.32
V
Ilim1
REG1 output current limit
EN1=ON; Vin-Vo1<12V
1.20
1.70
A
line regulation
Io1=10mA; Vin-Vo1=3 to 25 V
Io1=10mA; Vin-Vo1=3 to 12 V
0.6
0.1
2
%
load regulation
Io1=10 mA to 1.2A
Io1=10 mA to 0.5A
0.5
0.1
2
%
Vd1
REG1 drop out
Io1=500mA
2.20
V
SVR1
REG1 supply voltage rejec.
freq=120 Hz to 1KHz
60
dB
Vo2
REG2 output voltage range
5
12
V
V(FB2)
REG2 feedback voltage
EN2 = ON;
1.22
1.27
1.32
V
Ilim2
REG2 output current limit
EN2=ON; Vin-Vo2<12V
1.20
1.70
A
line regulation
Io2=10mA;Vin-Vo2=3 to 25 V
Io2=10mA;Vin-Vo2=3 to 12 V
0.6
0.1
2
%
load regulation
Io2=10 mA to 1.2A
Io2=10 mA to 0.5A
0.5
0.1
2
%
Vd2
REG2 drop out
Io2=500mA
2.2
V
V
o1
-------------
V
o1
-------------
V
o2
-------------
V
o2
-------------
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