ISL6520BCB Intersil, ISL6520BCB Datasheet - Page 2

• Manufacturer Part Number: ISL6520BCB
• Description: IC CTRLR PWM SYNC BUCK 8-SOIC
• Manufacturer: Intersil

Specifications of ISL6520BCB

• 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

Pinouts
Block Diagram
Typical Application
COMP/SD
UGATE
SHUTDOWN
LGATE
BOOT
GND
FB
1
2
3
4
(8 LD SOIC)
0.8V
TOP VIEW
ISL6520B
20μA
-
+
2
5V
R
R
PULLUP
OFFSET
8
7
6
5
PHASE
FB
COMP/SD
VCC
C
R
F
F
ERROR
AMP
C
C
COMP/SD
I
DCPL
+
-
FB
ISL6520B
7
6
ISL6520B
FIXED 300kHz
OSCILLATOR
COMPARATOR
SOFTSTART
POR AND
5
3
GND
VCC
VCC
PWM
+
-
1
2
8
4
BOOT
UGATE
PHASE
LGATE
D
UGATE
C
BOOT
BOOT
BOOT
GND
NC
R
S
1
2
3
4
PWM
16
Q
Q
5
V
U
(16 LD QFN)
L
C
TOP VIEW
IN
ISL6520B
GND
CONTROL
HF
L
15
OUT
6
LOGIC
GATE
C
OUT
14
7
C
13
BULK
8
VCC
12
11
10
9
V
NC
COMP/SD
NC
FB
OUT
PHASE
BOOT
UGATE
LGATE
July 23, 2007
FN9083.3