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零件编号
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LT1943EFE 查看數據表(PDF) - Linear Technology
零件编号
产品描述 (功能)
生产厂家
LT1943EFE
High Current Quad Output Regulator for TFT LCD Panels
Linear Technology
LT1943EFE Datasheet PDF : 20 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
MINIMUM Input Voltage to Start,
V
LOGIC
= 3.3V
6.0
T
A
= 25
°
C
5.5
5.0
4.5
4.0
3.5
3.0
0
20
40
60
80
100
LOAD CURRENT (mA)
1943 G04
SW3 Current Limit
0.8
0.7
0.6
0.5
0.4
0.3
0.2
–50 –25
0 25 50 75
TEMPERATURE (
°
C)
100 125
1943 G07
SW2 V
CESAT
600
T
A
= 25
°
C
500
400
300
200
100
0
0 0.5 1.0 1.5 2.0 2.5 3.0
SW2 CURRENT (A)
1943 G10
BOOST Pin Current
100
T
A
= 25
°
C
80
60
40
20
0
0 0.5 1.0 1.5 2.0 2.5 3.0
SW1 CURRENT (A)
1943 G05
SW4 Current Limit
0.8
0.7
0.6
0.5
0.4
0.3
0.2
–50 –25
0 25 50 75
TEMPERATURE (
°
C)
100 125
1943 G08
SW3 V
CESAT
500
T
A
= 25
°
C
400
300
200
100
0
0
0.1
0.2
0.3
0.4
SW3 CURRENT (A)
1943 G11
LT1943
SW2 Current Limit
5.0
4.5
4.0
3.5
3.0
2.5
–50 –25
0 25 50 75
TEMPERATURE (
°
C)
100 125
1943 G06
SW1 V
CESAT
600
T
A
= 25
°
C
500
400
300
200
100
0
0 0.5 1.0 1.5 2.0 2.5 3.0
SW1 CURRENT (A)
1943 G09
SW4 V
CESAT
500
T
A
= 25
°
C
400
300
200
100
0
0
0.1
0.2
0.3
0.4
SW4 CURRENT (A)
1943 G12
1943fa
5
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