LT3460 데이터 시트보기 (PDF) - Linear Technology
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LT3460 Datasheet PDF : 12 Pages
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LT3460/LT3460-1
TYPICAL APPLICATIONS
VOUT
100mV/DIV
58mA
ILOAD
34mA
Load Step Response
100μs/DIV
3460 TA01b
5V to 12V with Soft-Start Circuit
VIN
5V
C1
4.7μF
L1
22μH
D1
CONTROL
SIGNAL
VIN
SW
130k
47k
LT3460
SHDN
FB
VOUT
12V
70mA
22pF
C2
1μF
16V
47nF
GND
15k
C1: TAIYO YUDEN X5R JMK212BJ475
C2: TAIYO YUDEN X5R EMK212BJ105
D1: CENTRAL SEMICONDUCTOR CMDSH2-3
L1: MURATA LQH32CN-220 OR EQUIVALENT
3460 TA02
IIN
100mA/DIV
Input Current and Output Voltage
V0
5V/DIV
CONTROL
SIGNAL
2V/DIV
500μs/DIV
3460 TA02b
VIN
3.3V
C1
4.7μF
5V to 12V Step-Up Converter
L1
22μH
D1
VOUT
12V
40mA
VIN
SW
LT3460
SHDN
FB
GND
130k
22pF
C2
1μF
16V
15k
C1: TAIYO YUDEN X5R JMK212BJ475
C2: TAIYO YUDEN X5R EMK212BJ105
D1: CENTRAL SEMICONDUCTOR CMDSH2-3
L1: MURATA LQH32CN-220 OR EQUIVALENT
3460 TA03
Efficiency
85
80
75
70
65
60
55
0
10
20
30
LOAD CURRENT (mA)
40
3460 TA03a
3460fb
8
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