ISL6551IB Intersil, ISL6551IB Datasheet - Page 4

• Manufacturer Part Number: ISL6551IB
• Description: IC CNTRLR PWM FULL BRIDGE 28SOIC
• Manufacturer: Intersil

Specifications of ISL6551IB

• Pwm Type: Current Mode
• Number Of Outputs: 6
• Frequency - Max: 1MHz
• Duty Cycle: 50%
• Voltage - Supply: 10.8 V ~ 13.2 V
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Frequency-max: 1MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Functional Block Diagram
R_RESDLY
CIRCUITS REFERENCED TO VSS
ISENSE
BGREF
PKILIM
R_LEB
R_RA
EANI
EAO
EAI
RD
CT
13
12
14
7
9
4
6
5
2
3
8
REFERENCE
BANDGAP
GENERATOR
RESODLY
RESODLY
CLOCK
ADJUST
ADJUST
(See Fig. 4)
ERROR AMP
RAMP
RAMP
DC OK
4
CURRENT
SHARE
UVLO
LEB
ISL6551
LOGIC
PWM
EXTERNAL SINGLE POINT CONNECTION REQUIRED
SHUTDOWN
SHUTDOWN
SHUTDOWN
SHUTDOWN
LATCH
LATCH
CIRCUITS REFERENCED TO PGND
START
SOFT-
START
SOFT
UPPER1
DRIVER
LOWER1
DRIVER
LOWER2
DRIVER
UPPER2
DRIVER
27
24
23
26
22
21
January 3, 2006
VDDP1
UPPER1
UPPER2
VDDP2
LOWER1
LOWER2
FN9066.5