lt3470a Linear Technology Corporation, lt3470a Datasheet - Page 18

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lt3470a

Manufacturer Part Number
lt3470a
Description
Micropower Buck Regulator With Integrated Boost And Catch Diodes
Manufacturer
Linear Technology Corporation
Datasheet

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TYPICAL APPLICATIONS
LT3470A
18
15V TO 34V
4V TO 23V
V
V
IN
IN
C1: TDK C3216JB1H105M
C2: TDK C3216JB1C106M
L1: MURATA LQH32CN150K53
C1: TDK C3216JB1H105M
C2: TDK C2012JB0J226M
L1: MURATA LQH32CN150K53
OFF ON
OFF ON
C1
1μF
C1
1μF
1.8V Step-Down Converter
12V Step-Down Converter
SHDN
BIAS
SHDN
V
V
IN
IN
LT3470A
LT3470A
GND
GND
BOOST
BOOST
BIAS
SW
SW
FB
FB
C3
0.22μF , 25V
C3
0.22μF , 16V
22μH
33μH
22pF
L1
L1
22pF
R1
147k
R2
332k
R1
866k
R2
100k
3470a TA05
3470a TA06
C2
22μF
C2
10μF
V
1.8V
250mA
V
12V
250mA
OUT
OUT
3470af

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