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| LTC3407AIDD Datasheet, PDF (13/16 Pages) Linear Integrated Systems – Dual Synchronous, 600mA, 1.5MHz Step-Down DC/DC Regulator | |||
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LTC3407
TYPICAL APPLICATIONS
Low Ripple Buck Regulators Using Ceramic Capacitors
VIN = 2.5V
TO 5.5V
C1
10μF
VOUT2 = 1.8V
AT 600mA
L2
4.7μH
C5, 22pF
RUN2 VIN RUN1
POR
LTC3407
SW2
SW1
R5
100k
POWER-ON
RESET
L1
4.7μH
C4, 22pF
VOUT1 = 1.2V
AT 600mA
C3
10μF
R4
887k R3
442k
VFB2
VFB1
MODE/SYNC GND
R2
R1 604k
604k
C2
10μF
C1, C2, C3: TAIYO YUDEN JMK316BJ106ML
L1, L2: MURATA LQH32CN4R7M11
3407 TA03
100
95
90
85
80
75
70
65
60
1
Efï¬ciency
VOUT = 1.8V
VOUT = 1.2V
VIN = 3.3V Burst Mode OPERATION
NO LOAD ON OTHER CHANNEL
10
100
LOAD CURRENT (mA)
1000
3407 TA03b
3407fa
13
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