Datasheet

LTC3407-3
14
34073fb
TYPICAL APPLICATIONS
1mm Height Core Supply
Effi ciency vs Load Current
RUN2 V
IN
V
IN
5V
V
OUT2
3.3V
800mA
V
OUT1
1.8V
800mA
RUN1
POR
SW1
V
OUT1
GND
V
OUT2
SW2
MODE/SYNC
LTC3407-3
C1*
10μF
R5
100k
POWER-ON
RESET
L1
2.2μH
L2
2.2μH
C3
10μF
C2
10μF
34073 TA03a
C1, C2, C3: TAIYO YUDEN JMK212BJ106MD-B
L1, L2: COILCRAFT LDO3310-222MX
*IF C1 IS GREATER THAN 3" FROM POWER SOURCE,
ADDITIONAL CAPACITANCE MAY BE REQUIRED.
LOAD CURRENT (mA)
1
EFFICIENCY (%)
100
95
90
85
80
75
70
65
60
55
50
10 100 1000
34073 TA03b
V
IN
= 5V
Burst Mode OPERATION
NO LOAD ON OTHER CHANNEL
V
OUT
= 3.3V
V
OUT
= 1.8V