LTC3426 Datasheet, PDF (9/12 Pages) Linear Technology – 1.2MHz Step-Up DC/DC Converter in SOT-23

TYPICAL APPLICATIO S
L1
1.5µH
D1
V_IN
1.8V
C1
10µF
OFF ON
SW
V_IN
V_OUT
LTC3426
SHDN FB
GND
R1
75k
1%
R2
44.2k
1%
V_OUT
3.3V
540mA
C2
22µF
C1: TDK C1608X5R0J106M
C2: TAIYO YUDEN JMK316BJ226ML
D1: ON SEMICONDUCTOR MBRM120LT3
L1: TDK RLF7030T-1R5N6R1
3426 TA06a
L1
2.2µH
D1
V_IN
1.8V
C1
10µF
OFF ON
SW
V_IN
V_OUT
LTC3426
SHDN FB
GND
R1
95.3k
1%
R2
30.9k
1%
V_OUT
5V
400mA
C2
22µF
C1: TDK C1608X5R0J475M
C2: TAIYO YUDEN JMK316BJ226ML
D1: ON SEMICONDUCTOR MBR120VLSFT1
L1: SUMIDA CDRH4D28-2R2 2
3426 TA07a
LTC3426
100
90
80
70
60
50
1
Efficiency
10
100
LOAD CURRENT (mA)
1000
3426 TA06b
Efficiency
90
80
70
60
50
40
1
10
100
LOAD CURRENT (mA)
1000
3426 TA07b
3426f
9