ISL6455 Datasheet, PDF (2/13 Pages) Intersil Corporation – Low shutdown supply current

Pinout
ISL6455, ISL6455A
ISL6455, ISL6455A (24 LD QFN)
TOP VIEW
24 23 22 21 20 19
SGND 1
FB_LDO2 2
18 _GND
17 CT
FB_LDO1 3
16 VOUT
CC1 ₄
15 RESET
GND_LDO 5
14 EN
VOUT1 6
13 SYNC
7 8 9 10 11 12
Typical Application Schematic
3.3V
C10
10µF
C8
0.1µF
C9
1.0µF
L1
8.2µH
C7
10µF
Re
Rf
C2 33nF
3.3V
R1 10k
1
FB_PWM
11
22 21 20 19 18
16 ^VOUT
PG_PWM ₁₂
24 ^EN_LDO
SYNC ₁₃
CC1
4
ISL6455
9 ^VOUT2
5 ^GND_LDO
EN
14
R3
PG_LDO ₂₃
6 ^VOUT1
3 ^FB_LDO1
10k
15 17 7 8 10 2
C4 10µF
C3
Rc
10µF
Ra
Rb
Rd
Vopwm
Vout2
Vout1
C1
10nF
3.3V
NOTE: All capacitors are ceramic.
C5
4.7µF
C6
33nF
2
FN9196.1
February 19, 2014