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| LTC3407AIDD Datasheet, PDF (14/16 Pages) Linear Integrated Systems – Dual Synchronous, 600mA, 1.5MHz Step-Down DC/DC Regulator | |||
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LTC3407
TYPICAL APPLICATIONS
2mm Height Core Supply
VIN = 3.6V
TO 5.5V
C1
10μF
VOUT2 = 3.3V
AT 600mA
L2
4.7μH
C5, 22pF
RUN2 VIN RUN1
MODE/SYNC
POR
LTC3407
SW2
SW1
R5
100k
POWER-ON
RESET
L1
2.2μH
C4, 22pF
C3
10μF
R4
887k R3
196k
VFB2
GND
VFB1
R2
R1 604k
301k
C1, C2, C3: TAIYO YUDEN JMK316BJ106ML
L1: MURATA LQH32CN2R2M33
L2: MURATA LQH32CN4R7M11
VOUT1 = 1.8V
AT 600mA
C2
10μF
3407 TA07
Efï¬ciency vs Load Current
100
95
3.3V
90
85
1.8V
80
75
70
65
60
1
VIN = 5V Burst Mode OPERATION
NO LOAD ON OTHER CHANNEL
10
100
LOAD CURRENT (mA)
1000
3407 TA08
3407fa
14
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