PI33XX-X0 Datasheet, PDF (2/42 Pages) List of Unclassifed Manufacturers – 8V to 36Vin Cool-Power ZVS B uck Regulator Family

PI33XX-X0
Contents
Order Information ...................................................... 3
Pin Description............................................................ 4
Package Pin-Out.......................................................... 4
Absolute Maximum Ratings........................................ 5
PI3311-X0 (1.0 Vout) Electrical Characteristics........... 6
PI3318-X0 (1.8 Vout) Electrical Characteristics........... 9
PI3312-X0 (2.5 Vout) Electrical Characteristics......... 12
PI3301-X0 (3.3 Vout) Electrical Characteristics......... 16
PI3302-X0 (5.0 Vout) Electrical Characteristics......... 20
PI3303-X0 (12.0 Vout) Electrical Characteristics ...... 24
PI3305-X0 (15.0 Vout) Electrical Characteristics ...... 28
Functional Description.............................................. 32
ENABLE (EN) .........................................................32
Switching Frequency Synchronization..................32
Output Voltage Trim.............................................32
Soft-Start ..............................................................32
Remote Sensing....................................................33
Output Current Limit Protection ..........................33
Input Under-Voltage Lockout...............................33
Input Over Voltage Lockout .................................33
Output Over Voltage Protection ..........................33
Over Temperature Protection ..............................33
Pulse Skip Mode (PSM) ........................................33
Variable Frequency Operation .............................34
Parallel Operation ................................................34
I²C Interface Operation ....................................... 34
Application Description.............................................35
Output Voltage Trim ............................................ 35
Soft-Start Adjust and Tracking ............................. 36
Inductor Pairing ................................................... 36
Thermal Derating ................................................. 36
Filter Considerations............................................ 38
Layout Guidelines......................................................39
Recommended PCB Footprint and Stencil ................40
Package Drawings .....................................................41
Warranty ...................................................................42
vicorpower.com
800 735.6200
Rev 1.4
11/2012
Cool-Power^®
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