2
AN1372
.0
Nove
mber
21, 200
7
Schematic
POPULATE R30 IF VIN <6V ONLY
OFF
R1
2
C4
1
2
0.1UF
TP16
8
1UF
10K
PG
2
C8
13
9
7
6
5
4
2
12
11
1
U1
4
3
2
1
4
3
2
SP1
TP13
1
R12
R30
2
1
2
1
3
Q4
1
3
2
SW1
2
1
2
D3
1
TP2
1
TP1
1
TP3
L1
2
1
TP4
2.43K
VOUT
EN
2N7002
ON
EN
100K
BOOT
VIN
GND
VIN
301
PG
COMP
VDD
VDD
C2
2
1
C1
1
D1
2
1
1
2
C12
1
PHASE
10
FB
C9
10UH
220UF
C20
OPEN
1
C13
1
C10
C11
100UF
OPEN
2
1
C21
R21
R20
SP2
10UF
C3
OPEN
1
0.1UF
470PF
ISL8500IRZ
1
R2
10K
R3
2200PF
3
3.16K
R4
10PF
51.1K
FB
COMP
SS
PG
EN
GND
VIN
VIN
PHASE
PHASE
BOOT
VDD
EP
Application Note 1326
