LT1930 데이터 시트보기 (PDF) - Linear Technology
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LT1930 Datasheet PDF : 12 Pages
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LT1930/LT1930A
TYPICAL APPLICATIO S
4V TO 6.5V
4-CELL
BATTERY
4-Cell to 5V SEPIC Converter
L1
10µH
C3
1µF
5
1
C1
2.2µF
VIN
SW
LT1930
4
SHDN SHDN
3
FB
GND
2
243k
82.5k
D1
L2
10µH
VOUT
5V
300mA
C2
10µF
C1: TAIYO-YUDEN X5R LMK212BJ225MG
C2: TAIYO-YUDEN X5R JMK316BJ106ML D1: ON SEMICONDUCTOR MBR0520
C3: TAIYO-YUDEN X5R LMK212BJ105MG L1, L2: MURATA LQH3C100K24
1930 TA02a
Efficiency
80
VIN = 6.5V
75
VIN = 4V
70
65
60
55
50
45
40
0
100 200 300 400 500
LOAD CURRENT (mA)
1930 TA02b
4-Cell to 5V SEPIC Converter with Coupled Inductors
4V TO 6.5V
L1A
10µH •
C3
1µF
D1
5
1
VOUT
5V
300mA
4-CELL
BATTERY
C1
2.2µF
VIN
SW
LT1930
4
SHDN SHDN
3
FB
GND
2
243k
82.5k
•
L1B
10µH
C2
10µF
C1: TAIYO-YUDEN X5R LMK212BJ225MG
C2: TAIYO-YUDEN X5R JMK316BJ106ML
C3: TAIYO-YUDEN X5R LMK212BJ105MG
D1: ON SEMICONDUCTOR MBR0520
L1: SUMIDA CLS62-100
1930/A TA03
5V to 24V Boost Converter
L1
VIN
10µH
D1
5V
5
1
C1
VIN
SW
R1
4.7µF
665k
LT1930
4
SHDN SHDN
3
FB
GND
R2
2
36.5k
C1: TAIYO-YUDEN X5R EMK316BJ475ML
C2: TAIYO-YUDEN X5R JMK212BJ475MG
D1: ON SEMICONDUCTOR MBR0530
L1: SUMIDA CR43-100
VOUT
24V
90mA
C2
2.2µF
1930/A TA04
8
±15V Dual Output Converter with Output Disconnect
L1
VIN
3.3µH
5V
5
1
C1
2.2µF
VIN
SW
LT1930
4
OFF ON SHDN
3
FB
C4
1µF
D1
15V
70mA
C5
1µF
D2
R1
147k
C2
2.2µF
GND
R2
2
13.3k
C1: TAIYO-YUDEN X5R LMK212BJ225MG
C2, C3: TAIYO-YUDEN X5R EMK316BJ225ML
D3 D4
C4, C5: TAIYO-YUDEN X5R TMK316BJ105ML
(408) 573-4150
D1 TO D4: ON SEMICONDUCTOR MBR0520 (800) 282-9855
L1: SUMIDA CR43-3R3 (874) 956-0666
C6
2.2µF
–15V
1930/A TA05 70mA
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