ISL6551EVAL1 Intersil, ISL6551EVAL1 Datasheet - Page 4

• Manufacturer Part Number: ISL6551EVAL1
• Description: EVALUATION BOARD ISL6551
• Manufacturer: Intersil

Specifications of ISL6551EVAL1

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Isolated
• Voltage - Output: 3.3V
• Current - Output: 60A
• Voltage - Input: 36 ~ 75V
• Regulator Topology: Buck
• Frequency - Switching: 470kHz
• Board Type: Fully Populated
• Utilized Ic / Part: ISL6551
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

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