ISL6527ACBZ Intersil, ISL6527ACBZ Datasheet - Page 14

• Manufacturer Part Number: ISL6527ACBZ
• Description: IC PWM BUCK BST VM 14SOIC
• Manufacturer: Intersil

Specifications of ISL6527ACBZ

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 645kHz
• Duty Cycle: 100%
• Voltage - Supply: 2.97 V ~ 3.63 V
• Buck: Yes
• Boost: Yes
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Frequency-max: 645kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Component Selection Notes:
C3, C8, C9 - Each 150mF, Panasonic EEF-UE0J151R or Equivalent.
D1 - 30mA Schottky Diode, MA732 or Equivalent
L1 - 1
Q1- Fairchild MOSFET; ITF86110DK8.
0.8V EXTERNAL REFERENCE
µ
H Inductor, Panasonic P/N ETQ-P6F1ROSFA or Equivalent.
GND
3.3V
0.22µF
C4
14
TP1
10
4
5
1
9
CT1
CT2
CPGND
GND
REF_IN
FIGURE 8. 3.3V TO 2.5V 5A DC/DC CONVERTER
COMP
8
6.49kΩ
0.1µF
C1
R2
ISL6527A
ISL6527,
ISL6527, ISL6527A
C10
33pF
VCC
5600pF
11
C11
OCSET/SD
CPVOUT
FB
UGATE
PHASE
LGATE
7
BOOT
R5
U1
13
14
12
6
3
2
TP3
D1
C7
124Ω
R4
2.26kΩ
R3
1000pF
0.1μF
9.76kΩ
8200pF
C2
R1
C12
CERAMIC
C5
10µF
Q1
C6
C3
1µF
L1
C8,9
2.5V @ 5A
November 18, 2008
GND
FN9056.10