Datasheet
LTC3823
22
3823fd
TYPICAL APPLICATION
C
P
1000pF
V
OUTSENSE
–
V
RNG
V
FB
I
TH
SGND
I
ON
V
DIFFOUT
NC
V
OUTSENSE
+
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
SENSE
+
SENSE
–
PGND
BG
DRV
CC
INTV
CC
Z2
Z1/SS
ENABLE
NC TRACK/SS PLLFLTR PLLIN V
IN
V
INSNS
ZV
CC
PGOOD V
ON
32
R
ON
66.5k
1%
R
C
1.5k
1%
R4
5.11k
1%
R5
5.11k
1%
R
BOOST
0Ω
R
RUN
100k
R1
23.2k
1%
R
PG
100k
R2
26.7k
1%
C6
220pF
C
C2
100pF
C
PL
0.01μF
C
SS
0.1μF
R
VIN
10Ω
CV
IN
0.1μF
C
VCC
10μF
6.3V
Q2
Si4874
Q1
Si4884
R6
11k
R3
39k
E4
PGOOD
E1
INTV
CC
INTV
CC
V
IN
E2
RUN
E10
TRACK/SS
E12
GND
E13
GND
E11
PLLIN
C
C1
6800pF
31 30 29 28 27 26
DB
CMDSH-3-LTC
C5
0.22μF
91011 1213141516
RUN FCB
LTC3823UH
Z0 BOOST TG SW
R
PL
10k
D1
B320A
L1
1μH
IHLP-2525CZ-01
C11
47μF
6.3V
s3
C12
10μF
6.3V
R7
100Ω
1%
C2
10μF
16V
s3
R8
100Ω
1%
E9
V
OUTSENSE
–
E6
V
OUTSENSE
+
E8
GND
E5
GND
E7
V
OUT
1.2V/10A
E3
V
IN
4.5V TO 16V
E14
V
OUT
E15
GND
3823 TA02
Design Example: 1.2V/10A at 450kHz with Light Load Discontinuous Mode Operation