ltc3612 Linear Technology Corporation, ltc3612 Datasheet - Page 25

• Manufacturer Part Number: ltc3612
• Description: 3a, 4mhz Monolithic Synchronous Step-down Dc/dc Converter
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIONS
500mV/DIV
2.25V TO 5.5V
V
IN
Coincident Start-Up
C5
22μF
C
470pF
Master and Slave for Coincident Tracking Outputs Using a 1MHz External Clock
C1
R
15k
2ms/DIV
C1
C
470pF
C3
R
15k
C2
22μF
C6
22μF
C2
CLOCK
1MHz
C
10pF
C2
C
10pF
C1
22μF
C4
L1, L2: VISHAY IHLP-1616BZ-01 1μH
V
V
3612 TA03b
OUT1
OUT2
4.7M
4.7M
4.7M
PGOOD
PGOOD
10nF
R
24Ω
R
24Ω
R5
100k
R7
100k
F1
F2
C
1μF
C
1μF
F1
F2
RUN
TRACK/SS
RT/SYNC
PGOOD
ITH
RUN
TRACK/SS
RT/SYNC
PGOOD
ITH
MODE
MODE
SV
SV
IN
IN
500mV/DIV
LTC3612
LTC3612
PV
PV
PV
PV
V
V
IN_DRV
IN_DRV
SGND
PGND
FB
SGND
PGND
FB
IN
IN
DDR
DDR
R2
357k
R6
301k
SW
SW
Coincident Tracking Up/Down
1μH
1μH
L1
22pF
L2
22pF
715k
301k
R1
C3
R5
C7
3612 TA03a
200ms/DIV
V
V
OUT1
OUT2
CHANNEL 1
CHANNEL 2
MASTER
R3
464k
R4
464k
C
47μF
SLAVE
O21
C
47μF
O11
C
22μF
O22
LTC3612
C
22μF
3612 TA03c
O12
V
1.8V
3A
V
1.2V
3A
OUT1
OUT2
25
3612f