Datasheet

LTC3861-1
32
38611fa
For more information www.linear.com/LTC3861-1
Typical applicaTions
Dual Phase 1.2V/45A Converter with Delta 45A Power Block, f
SW
= 400kHz
V
OUT
1.2V/45A
C
OUT1
100µF × 4
6.3V
22µF
16V
22µF
16V
22µF
16V
22µF
16V
C
OUT2
: SANYO 2R5TPE330M9
C
OUT1
: MURATA GRM32ER60J107ME20
C
OUT2
330µF× 6
2.5V
0.22µF
0.22µF
30.9k
V
CC
V
CC
49.9k
1.69k
1.5nF
LTC3861-1
FB1
COMP1
VSNSP
VSNSN
VSNSOUT
COMP2
FB2
+CS1
V
IN1
PWM1
GND
PWM2
V
IN2
+CS2
–CS1
GND
V
OUT1
+7V
V
OUT2
GND
–CS2
RUN1
I
LIM1
SGND
ISNS1P
ISNS1N
ISNS2N
ISNS2P
SGND
I
LIM2
RUN2
V
CC
SS1
VINSNS
CONFIG
I
AVG
PGOOD1
PWMEN1
PWM1
SS2 FREQ CLKIN CLKOUT PHSMD PGOOD2 PWMEN2 PWM2
RUN1
RUN1
V
CC
V
OUT
V
CC
5V
100k
110Ω
6.8nF
150pF
10k
10k
1µF
V
IN
7V TO 14V
TEMP1
TEMP2
D12S1-
R845A
SS1
SS1
V
IN
C
IN
180µF
38611 TA02
100pF
4.7µF