isl8036 Intersil Corporation, isl8036 Datasheet - Page 7

• Manufacturer Part Number: isl8036
• Description: Dual 3a 1mhz/2.5mhz High Efficiency Synchronous Buck Regulator
• Manufacturer: Intersil Corporation

Table of Contents
Absolute Maximum Ratings ................................................................................................................ 8
Thermal Information .......................................................................................................................... 8
Recommended Operating Conditions .................................................................................................. 8
Electrical Specifications. ......................................................................................................................... 8
ISL8036 Typical Operating Performance for Dual PWM Operation ..................................................... 10
ISL8036A Typical Operating Performance for Dual PWM Operation................................................... 15
ISL8036 Typical Operating Performance for Current Sharing PWM Operation. .................................. 17
ISL8036A Typical Operating Performance for Current Sharing PWM Operation. ................................ 21
Theory of Operation........................................................................................................................... 22
Applications Information ................................................................................................................... 23
Revision History ................................................................................................................................ 24
Products ............................................................................................................................................ 24
Package Outline Drawing ................................................................................................................. 25
PWM Control Scheme....................................................................................................................... 22
Synchronization Control ................................................................................................................... 22
Output Current Sharing.................................................................................................................... 22
Overcurrent Protection..................................................................................................................... 22
PG ................................................................................................................................................ 23
UVLO............................................................................................................................................. 23
Enable ........................................................................................................................................... 23
Soft-start-up .................................................................................................................................. 23
Discharge Mode (Soft-Stop).............................................................................................................. 23
Power MOSFETs .............................................................................................................................. 23
100% Duty Cycle ............................................................................................................................ 23
Thermal Shutdown .......................................................................................................................... 23
Output Inductor and Capacitor Selection ............................................................................................ 23
Output Voltage Selection.................................................................................................................. 23
Input Capacitor Selection ................................................................................................................. 24
PCB Layout Recommendation ........................................................................................................... 24
7
ISL8036, ISL8036A
October 18, 2010
FN6853.1