ISL6520IB Intersil, ISL6520IB Datasheet - Page 2

• Manufacturer Part Number: ISL6520IB
• Description: IC CTRLR PWM SYNC BUCK 8-SOIC
• Manufacturer: Intersil

Specifications of ISL6520IB

• 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: -40°C ~ 85°C
• Package / Case: 8-SOIC (3.9mm Width)
• Frequency-max: 340kHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Pinouts
Block Diagram
Typical Application
COMP/OCSET
UGATE
LGATE
BOOT
FB
GND
1
2
3
4
0.8V
(8 LD SOIC)
R
TOP VIEW
R
OFFSET
ISL6520
OCSET
20 μA
+
-
C
2
R
F
F
SAMPLE
COMP/OCSET
HOLD
AND
8
7
6
5
C
C
I
DCPL
PHASE
COMP/SD
FB
VCC
ERROR
AMP
FB
7
6
+
-
ISL6520
COMPARATOR
3
5
+
-
VCC
GND
V
FIXED 300kHz
CC
OC
OSCILLATOR
COMPARATOR
ISL6520
C
1
2
8
4
BULK
PWM
BOOT
UGATE
PHASE
LGATE
+
-
R
SOFTSTART
S
POR AND
VCC
C
PWM
D
BOOT
BOOT
L
OUT
C
CONTROL
GND
UGATE
OUT
BOOT
LOGIC
GATE
GND
NC
C
HF
1
2
3
4
(16 LD QFN)
16 15 14 13
5
VCC
TOP VIEW
ISL6520
6
GND
+V
O
7
8
12
10
11
9
PHASE
BOOT
LGATE
UGATE
NC
COMP/OCSET
NC
FB
April 3, 2007
FN9009.6