lt3470a Linear Technology Corporation, lt3470a Datasheet - Page 17

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

APPLICATIONS INFORMATION
4V TO 40V
5.7V TO 40V
4V TO 40V
V
V
IN
IN
V
IN
C1: TDK C3216JB1H105M
C2: CE JMK316 BJ226ML-T
L1: TOKO A993AS-270M=P3
C1: TDK C3216JB1H105M
C2: TDK C2012JB0J226M
L1: SUMIDA CDRH3D28
OFF ON
OFF ON
C1: TDK C3216JB1H105M
C2: CE JMK316 BJ226ML-T
L1: TOKO A914BYW-330M=P3
OFF ON
C1
1μF
C1
1μF
C1
1μF
3.3V Step-Down Converter
2.5V Step-Down Converter
5V Step-Down Converter
SHDN
SHDN
V
V
SHDN
IN
IN
V
LT3470A
LT3470A
IN
GND
LT3470A
GND
GND
BOOST
BOOST
BOOST
BIAS
BIAS
SW
SW
BIAS
FB
FB
SW
FB
C3
0.22μF , 6.3V
C3
0.47μF , 6.3V
33μH
33μH
L1
22pF
22pF
C3
0.22μF , 6.3V
L1
33μH
22pF
L1
R1
324k
R2
200k
R1
200k
R2
200k
R1
604k
R2
200k
3470a TA03
3470a TA07
3470a TA04
C2
22μF
C2
22μF
V
3.3V
250mA
V
2.5V
250mA
OUT
C2
22μF
OUT
V
5V
250mA
OUT
LT3470A
17
3470af