LT1613CS5 데이터 시트보기 (PDF) - Linear Technology
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LT1613CS5 Datasheet PDF : 12 Pages
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LT1613
TYPICAL APPLICATIO S
4-Cell to 5V SEPIC DC/DC Converter
6.5V TO 4V
L1
22µH
C3
1µF
D1
+ C1
15µF
4-CELL
SHDN
VIN
SW
LT1613
SHDN
FB
GND
VOUT
5V
175mA
374k
L2
22µH + C2
22µF
121k
L1, L2: MURATA LQH3C220
C3: AVX 1206YG105 CERAMIC
D1: MBR0520
1613 • TA03
VIN
3.5V TO
8V
+
C1
22µF
SHDN
4-Cell to 15V/30mA DC/DC Converter
L1
10µH
D1
VOUT
15V/30mA
85
VIN
SW 1nF
80
R1
LT1613
137k + C2
75
10k
1%
4.7µF
SHDN
FB
70
GND
R2
12.1k
65
Efficiency
VIN = 3.6V
VIN = 6.5V
VIN = 5V
C1: AVX TAJB226M016
C2: AVX TAJA475M025
D1: MOTOROLA MBR0520
L1: MURATA LQH3C100
1613 TA04
60
55
50
0 10 20 30 40 50 60 70 80 90 100
LOAD CURRENT (mA)
1613 TA04a
3.3V to 8V/70mA, – 8V/5mA, 24V/5mA TFT LCD Bias Supply Uses All Ceramic Capacitors
D2
0.22µF
1µF
0.22µF
VOFF
– 8V
5mA
D3
VON
24V
1µF 5mA
0.22µF: TAIYO YUDEN EMK212BJ224MG
1µF: TAIYO YUDEN LMK212BJ105MG
4.7µF: TAIYO YUDEN LMK316BJ475ML
D1: MOTOROLA MBRO520
D2, D3, D4: BAT54S
L1: SUMIDA CDRH5D185R4
L1
5.4µH
VIN
3.3V
0.22µF
D1
C1
4.7µF
VIN
SW
LT1613
SHDN
FB
GND
D4
274k
48.7k
1µF
AVDD
8V
70mA
C2
4.7µF
1613 TA05
10
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