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| LTC3632_15 Datasheet, PDF (18/22 Pages) Linear Technology – High Efficiency, High Voltage 20mA Synchronous Step-Down Converter | |||
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LTC3632
TYPICAL APPLICATIONS
Small Size, Limited Peak Current, 4mA Regulator
VIN
7V TO 50V
VIN
SW
CIN R3
1µF 470k
LTC3632
RUN
VFB
R4
100k
HYST
SS
R5
ISET GND
33k
L1
2.2mH
R1
470k
R2
88.7k
3632 TA05a
COUT
10µF
VOUT
5V
4mA
CIN: TDK C3225X7R1H105KT
COUT: AVX 08056D106KAT2A
L1: MURATA LQH43NN222K03
VIN
15V TO 50V
High Efficiency 15V, 4mA Regulator
L1
10mH
VIN
SW
CIN
LTC3632
R1
1µF
3M
COUT
4.7µF
VOUT
15V
4mA
RUN
VFB
ISET
R2
169k
SS
HYST
GND
3642 TA07a
CIN: AVX 18125C105KAT2A
COUT: TDK C3216X7R1E475KT
L1: COILCRAFT LPS6235-106ML
Efficiency vs Load Current
95
90
85
80
75
70
65
60
55
50
0.1
VIN = 24V
VIN = 36V
VIN = 48V
1
LOAD CURRENT (mA)
4
3632 TA07b
3632fc
18
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