Features

• 2.7V to 10V Input Voltage Range
• 900mA Boost Converter
• Dual Full-Bridge Piezo Drivers
• Programmable Switching Frequency from 500kHz to 2.25MHz
• Synchronizable Up to 2.5MHz
• Soft-Start
• Separate Enable for Each Piezo Driver and Boost Converter
• Available in a 4mm × 4mm 20-Pin QFN Package

Typical Application

Applications

• Piezo Motor Drive

Packaging

Datasheet

• LT3572 - Dual Full-Bridge Piezo Driver with 900mA Boost Converter

Design Note

• DN436 - Tiny Dual Full-Bridge Piezo Motor Driver Operates from Low Input Voltage

Reliability Data

• R530 - Reliability Data

LT Journal

• Jan 2008 - Small, High Efficiency Solution Drives Two Piezo Motors

Press Release

• 4mm x 4mm Dual Full-Bridge Piezo Driver Generates Its Own High Voltage

LTspice

• LT3572 Demo Circuit - Dual Full-Bridge Piezo Driver w/ 900mA Boost Converter (3V to 30V@50mA)

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