ISL6520ACB Intersil, ISL6520ACB Datasheet - Page 3

• Manufacturer Part Number: ISL6520ACB
• Description: IC CTRLR PWM SYNC BUCK 8-SOIC
• Manufacturer: Intersil

Specifications of ISL6520ACB

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 340kHz
• Duty Cycle: 100%
• Voltage - Supply: 4.5 V ~ 5.5 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 8-SOIC (3.9mm Width)
• Frequency-max: 340kHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Block Diagram
Typical Application
COMP/OCSET
FB
R
R
OFFSET
0.8V
OCSET
C
3
R
20μA
+
-
F
F
COMP/OCSET
SAMPLE
C
C
HOLD
I
DCPL
AND
FB
ERROR
AMP
7
6
ISL6520A
+
-
3
5
VCC
COMPARATOR
V
GND
CC
ISL6520A
+
-
C
FIXED 300kHz
1
2
8
4
BULK
OC
OSCILLATOR
COMPARATOR
BOOT
UGATE
PHASE
LGATE
PWM
+
-
R
S
SOFTSTART
POR AND
C
D
BOOT
BOOT
V
CC
L
PWM
OUT
C
OUT
CONTROL
GND
LOGIC
GATE
C
HF
VCC
+V
O
PHASE
BOOT
LGATE
UGATE
December 10, 2009
FN9016.6