LT3470A Datasheet, PDF (17/20 Pages) Linear Technology – Micropower Buck Regulator with Integrated Boost and Catch Diodes

APPLICATIONS INFORMATION
3.3V Step-Down Converter
V_IN
4V TO 40V
OFF ON
C1
1μF
V_IN BOOST
LT3470A
SHDN
SW
BIAS
FB
GND
C1: TDK C3216JB1H105M
C2: CE JMK316 BJ226ML-T
L1: TOKO A993AS-270M=P3
C3
0.22μF, 6.3V
L1
33μH
22pF
R1
324k
R2
200k
3470a TA03
V_OUT
3.3V
250mA
C2
22μF
5V Step-Down Converter
V_IN
5.7V TO 40V
OFF ON
C1
1μF
V_IN BOOST
LT3470A
SHDN
SW
BIAS
FB
GND
C1: TDK C3216JB1H105M
C2: CE JMK316 BJ226ML-T
L1: TOKO A914BYW-330M=P3
C3
0.22μF, 6.3V
L1
33μH
22pF
R1
604k
R2
200k
3470a TA04
V_OUT
5V
250mA
C2
22μF
2.5V Step-Down Converter
V_IN
4V TO 40V
OFF ON
C1
1μF
V_IN BOOST
LT3470A
SHDN
SW
BIAS
FB
GND
C1: TDK C3216JB1H105M
C2: TDK C2012JB0J226M
L1: SUMIDA CDRH3D28
C3
0.47μF, 6.3V
L1
33μH
22pF
R1
200k
R2
200k
3470a TA07
V_OUT
2.5V
250mA
C2
22μF
LT3470A
3470afa
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