317B 查看數據表（PDF） - Linear Technology
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317B Datasheet PDF : 16 Pages
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LT1317/LT1317B
TYPICAL APPLICATIO S
VIN
5V
+
5V to 12V Boost Converter
L1
22µH
MBR0520
47µF
SHUTDOWN
VIN
SW
FB
LT1317
SHDN
LB0
VC
GND
56k
3300pF
1.07M
1%
+
124k
1%
VOUT
12V
150mA
C2
47µF
L1: SUMIDA CD54-220
1317 TA04
5V to 12V Boost Converter Efficiency
90
85
80
75
70
1
10
LOAD CURRENT (mA)
100
1317 TA04a
Single Li-Ion to 5V DC/DC Converter
L1
10µH
MBR0520
SINGLE
Li-ION
CELL
(2.7V TO
4.2V)
+
47µF
SHUTDOWN
VIN
SW
FB
LT1317
SHDN
VC
GND
33k
3300pF
L1: SUMIDA CD43-100
1M
1%
+
324k
1%
VOUT
5V
250mA
47µF
1317 TA05
Single Li-Ion to 5V DC/DC Converter Efficiency
90
85
80
75
70
65
60
1
VIN = 2.7V
VIN = 3.5V
VIN = 4.2V
10
100
LOAD CURRENT (mA)
1000
1317 TA05a
12
Low Profile 3.3 to 5V Converter
L1
10µH
D1
3.3V
VIN
SW
FB
+ C1
LT1317BCMS8
1M
15µF
SHDN
10V
VC
GND
33k
332k
3.3nF
C1: AVX TAJA156M010
C2: MURATA GRM235Y5V106Z01
L1: MURATA LQH3C100 OR SUMIDA CLQ61-100N
D1: MOTOROLA MBR0520LT1
5V
125mA
C2
10µF
CERAMIC
1317 TA06
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