PI354X-00 Datasheet, PDF (2/39 Pages) –

Contents
Order Information
Thermal, Storage and Handling Information
Absolute Maximum Ratings
Functional Block Diagram
Pin Description
Package Pin-Out
Large Pin Blocks
PI354x-00 Common Electrical Characteristics
PI3542-00 (2.5V_OUT) Electrical Characteristics
PI3543-00 (3.3V_OUT) Electrical Characteristics
PI3545-00 (5.0V_OUT) Electrical Characteristics
PI3546-00 (12.0V_OUT) Electrical Characteristics
Functional Description
ENABLE (EN)
Remote Sensing
Switching Frequency Synchronization
Output Voltage Selection
Output Current Limit Protection
Input Undervoltage Lockout
Input Overvoltage Lockout
Output Overvoltage Protection
Overtemperature Protection
Pulse Skip Mode (PSM)
Variable Frequency Operation
PI354x-00
3
Application Description
27
3
Parallel Operation
27
4
Synchronization
27
5
Interleaving
27
6
Output Voltage Set Point
28
7
Soft-Start Adjust and Tracking
28
7
Inductor Pairing
28
8
Thermal De-rating
29
10
Small Signal Model - Constant Voltage Mode
29
14
Error Amplifier
29
18
Lighting Mode (LGH)
30
22
LGH Amplifier Small Signal Model
31
26
Filter Considerations
33
26
VDR Bias Regulator
34
26
System Design Considerations
34
26
Layout Guidelines
35
26
Recommended PCB Footprint and Stencil
37
26
Package Drawings
38
26
Revision History
39
27
Product Warranty
40
27
27
27
27
Cool-Power^® ZVS Switching Regulators
Page 2 of 39
Rev 1.6
03/2017
vicorpower.com
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