Application Note 1
492
2
AN1
4
9
2
.2
Fe
br
ua
ry
14
, 2
014
ISL8088EVAL1ZREVA Schematic
TU BUI / HUONG DOAN
OFF
ON/EX
PG
PWM
PFM
VOUT1
VOUT1_S
PGND
ON/EX
PGND
PGND
SYNC
PLEASE KEEP FB1, FB2 PINS TRACES SHORT
NOTE:
EN2
OFF
VOUT2_S
VOUT2
EN1
SGND
LX1_S
3/20/08
HUONG DOAN
VIN
100K
R3
PGND
VIN
VIN
1
VIN
C9
R11
R1
100K
SYNC
S1
VIN
VOUT1
VOUT1_S
C7
OPEN
R14
ISL8088IRZ
U1
PGND1
1
OPEN
2.2UH
VOUT1
C2
20
L1
10UF
C8
2
LX1
EN1
R4
100K
10PF
C5
10PF
C3
10UF
EN1
FB1
VOUT2
2.2UH
316K
2
EN2
LX2
FB2
C6
03/20/2008
HUONG DOAN
DUAL 800MA LOW IQ BUCK
ISL8088
SCHEMATIC
2K
2N7002
EN2
C1
D2
2
1
Q2
3
2
R10
S2
2
3
S3
2
3
1
VOUT2_S
2
3
4
1
4
1
EN1
1
10
3
4
8
9
PGND2
3
LX1
1
4
3
2
1
3
2
OPEN
0
SYNC
SGND
EN2
OPEN
R7
VIN
100K
2
3
1
4
2
1
L2
LX2
OPEN
R9
PG
1
R2
100K
R6
200K
R5
10UF
C4
5
VOUT2
SYNC
R13
20
PG
11
6
7
2
UPDATED BY:
TITLE:
ENGINEER:
DATE:
DATE:
DATE:
DATE:
DRAWN BY:
RELEASED BY:
A
A
A
A
EN1
EP
PGND
LX1
VIN
FB1
LX2
PG
EN2
FB2
SYNCH
A
A
A
A
A
A
A
A
A
A
A
A
A
NC
