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ISL6526-A Datasheet, PDF (15/18 Pages) Intersil Corporation – Operates from 3.3V to 5V Input
ISL6526, ISL6526A
3.3V
GND
C4
0.22µF
ENABLE
TP1
4 CT1
C1
0.1µF
11
VCC
U1
OCSET 6
ISL6526, ISL6526A
5
CT2
CPVOUT 3
10 CPGND
BOOT 13
1 GND
UGATE 14
PHASE 12
9 ENABLE
LGATE 2
COMP
FB
8
C10
7
33pF
R2
C11
6.49k 5600pF
R5
1.07k
C2
1000pF
TP3
R1
9.76k
D1
C5
10µF
CERAMIC
CAP
C7 0.1µF
C3
C6
1µF
L1
C8, 9
Q1
R3
2.26k
R4 C12
124 8200pF
Component Selection Notes:
FIGURE 8. 3.3V TO 2.5V 5A DC/DC CONVERTER
C3, C8, C9 - Each 150µF, Panasonic EEF-UE0J151R or Equivalent.
D1 - 30mA Schottky Diode, MA732 or Equivalent
L1 - 1µH Inductor, Panasonic P/N ETQ-P6F1ROSFA or Equivalent.
Q1- Fairchild MOSFET; ITF86110DK8.
2.5V @ 5A
GND
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FN9055.12
September 30, 2015