LTC3612_15 Datasheet, PDF (26/30 Pages) Linear Technology – 3A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter

LTC3612
Typical Applications
Master and Slave for Coincident Tracking Outputs Using a 1MHz External Clock
V_IN
2.25V TO 5.5V
C2
C1
22µF
22µF
1MHz
CLOCK
R_C1
15k
C_C1
470pF
C_C2
10pF
4.7M
10nF
PGOOD
4.7M
R_F1
24Ω
C_F1
1µF
R5
100k
SV_IN
RUN
TRACK/SS
PV_IN
PV_{IN_DRV}
DDR
RT/SYNC
LTC3612
SW
PGOOD
SGND
ITH
PGND
MODE
V_FB
R2
4.7M
357k
L1
1µH
R1
715k
C3
22pF
CHANNEL 1
MASTER
C_O11
47µF
R3
464k
R4
464k
C_O12
22µF
V_OUT1
1.8V
3A
C5
C6
22µF
22µF
R_C2
15k
C_C3
470pF
C_C4
10pF
PGOOD
R_F2
24Ω
C_F2
1µF
R7
100k
SV_IN
RUN
TRACK/SS
PV_IN
PV_{IN_DRV}
DDR
RT/SYNC
LTC3612
SW
PGOOD
SGND
ITH
PGND
MODE
V_FB
R6
301k
CHANNEL 2
SLAVE
L2
1µH
C_O21
47µF
C_O22
22µF
R5
301k
C7
22pF
3612 TA03a
V_OUT2
1.2V
3A
500mV/DIV
Coincident Start-Up
V_OUT1
V_OUT2
Coincident Tracking Up/Down
500mV/DIV
V_OUT1
V_OUT2
2ms/DIV
3612 TA03b
200ms/DIV
3612 TA03c
3612fc
26
For more information www.linear.com/LTC3612