PI3311-21-LGIZ Datasheet, PDF (2/26 Pages) Vicor Corporation – 8V to 36Vin, 15A Cool-Power ZVS Buck Regulator

PI33XX-X1
Contents
Order Information ...................................................... 3
Absolute Maximum Ratings........................................ 4
Block Diagram ............................................................. 4
Pin Description............................................................ 5
Package Pin-Out.......................................................... 5
PI3311-X1 (1.0 Vout) Electrical Characteristics........... 6
PI3318-X1 (1.8 Vout) Electrical Characteristics........... 9
PI3312-X1 (2.5 Vout) Electrical Characteristics......... 12
PI3301-X1 (3.3 Vout) Electrical Characteristics......... 15
Functional Description.............................................. 18
ENABLE (EN) .......................................................18
Remote Sensing ..................................................18
Switching Frequency Synchronization................18
Soft-Start ............................................................18
Output Voltage Trim...........................................18
Output Current Limit Protection ........................19
Input Under-Voltage Lockout .............................19
Input Over Voltage Lockout................................19
Output Over Voltage Protection.........................19
Over Temperature Protection ............................19
Pulse Skip Mode (PSM).......................................19
Variable Frequency Operation ...........................20
Parallel Operation...............................................20
I²C Interface Operation...................................... 20
Application Description.............................................21
Output Voltage Trim .......................................... 21
Soft-Start Adjust and Tracking ........................... 22
Inductor Pairing ................................................. 22
Layout Guidelines......................................................23
Recommended PCB Footprint and Stencil ................24
Package Drawings .....................................................25
Warranty ...................................................................26
vicorpower.com
800 735.6200
Rev 1.3
09/2015
Cool-Power^®
Page 2 of 26