Datasheet

LTC3407-2
14
sn34072 34072fs
TYPICAL APPLICATIO S
U
RUN2 V
IN
V
IN
= 3.6V
TO 5.5V
V
OUT2
= 3.3V
AT 800mA
V
OUT1
= 1.8V
AT 800mA
RUN1
POR
SW1
V
FB1
GND
V
FB2
SW2
MODE/SYNC
LTC3407-2
C1*
4.7µF
R5
100k
POWER-ON
RESET
C4, 22pFC5, 22pF
L1
2.2µH
L2
2.2µH
R4
887k
R2
604k
R1
301k
R3
196k
C3
4.7µF
×2
C2
4.7µF
×2
3407 TA07
C1, C2, C3: TDK C1608X5ROJ475M
L1, L2: CMD4D11-2R2
*IF C1 IS GREATER THAN 3" FROM POWER SOURCE,
ADDITIONAL CAPACITANCE MAY BE REQUIRED.
2mm Height Core Supply
Efficiency vs Load Current
LOAD CURRENT (mA)
1
EFFICIENCY (%)
100
95
90
85
80
75
70
65
60
10 100 1000
3407 TA08
3.3V
1.8V
V
IN
= 5V
Burst Mode OPERATION
NO LOAD ON OTHER CHANNEL