LTC3861-1
典型应用
4相1V / 100A转换器的DrMOS ，女
SW
= 500kHz的
SS1
V
IN
7V至14V
V
CC
5V
3.3nF
280
20k
5.62k
470pF
30.1k
V
OUT
3.3nF
I
AVG1
100pF
V
CC
100k
RUN1
RUN1
ILIM1
SGND
ISNS1P
ISNS1N
ISNS2N
ISNS2P
SGND
ILIM2
RUN2
V
CC
53.6k
1
2.2F
16V
2.2F
16V
V
IN
C
IN2
22F × 2
10k
16V
0.22F
BOOT
相
TDA21220
V
VSWH
DISB
PWM
保护地
VDRV
VCIN
SMOD
CGND
10k
0.22F
V
OUT
1V / 100A
0.22F
C
OUT1
100F × 8
6.3V
C
OUT2
330F
×8
2.5V
IN
0.1F
C
IN1
180F
1F
L1
0.47H
2.87k
FB1
COMP1
VSNSP
VSNSN
SS2
频率
CLKIN
CLKOUT
PHSMD
PGOOD2
PWMEN2
PWM2
V
CC
VSNSOUT
COMP2
FB2
VCC
SS1
VINSNS
CONFIG
IAVG
PGOOD1
PWMEN1
PWM1
LTC3861-1
V
CC
V
IN
0.22F
C
IN3
22F × 2
10k
16V
BOOT
相
TDA21220
V
DISB
VSWH
PWM
VDRV
保护地
VCIN
SMOD
CGND
10k
IN
CLKIN
500kHz的外部
SYNC输入
SS1
34k
2.87k
L2
0.47H
RUN1
V
CC
1
2.2F
16V
2.2F
16V
V
IN
V
CC
5V
0.22F
C
IN4
22F × 2
10k
16V
BOOT
相
TDA21220
V
IN
VSWH
DISB
PWM
保护地
VDRV
VCIN
SMOD
CGND
10k
0.22F
L3
0.47H
2.87k
1F
V
IN
V
CC
SS1
RUN1
RUN1
ILIM1
SGND
ISNS1P
ISNS1N
ISNS2N
ISNS2P
SGND
ILIM2
RUN2
V
CC
53.6k
1
2.2F
16V
V
CC
FB1
COMP1
VSNSP
VSNSN
VSNSOUT
COMP2
FB2
VCC
SS1
VINSNS
CONFIG
IAVG
PGOOD1
PWMEN1
PWM1
2.2F
16V
LTC3861-1
SS2
频率
CLKIN
CLKOUT
PHSMD
PGOOD2
PWMEN2
PWM2
V
CC
V
IN
0.22F
C
IN5
22F × 2
10k
16V
BOOT
相
TDA21220
V
VSWH
DISB
PWM
保护地
VDRV
VCIN
SMOD
CGND
10k
38611 TA04
0.22F
SS1
34k
C
OUT2
： SANYO 2R5TPE330M9
C
OUT1
： MURATA GRM32ER60J107ME20
L1，L2 ，L3，L4 ：商Wurth Elektronik 744355147
RUN2
V
CC
1
2.2F
16V
IN
2.87k
L4
0.47H
2.2F
16V
38611f
33
