Key facts
- Brand
- Linear Technology
- Model
- LT3572
- Category
- Other Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-06-05
Start here

LINEAR dn436f handbook
The LT3572 is a tiny dual full-bridge piezo motor driver that operates from a low input voltage. It combines a step-up regulator and a dual full-bridge driver in a compact 4mm x 4mm QFN package to solve high component count issues in camera designs.
Read onlineLinear Technology LT3572 specifications
| Input Voltage Range | 2.5 V to 27 V |
|---|---|
| Boost Converter Current | 900 mA |
| Switching Frequency Range | 500 kHz to 2.25 MHz |
| Operating Temperature Range | -40 °C to 85 °C |
| Package | 20‑Lead 4 mm × 4 mm Plastic QFN |
All Linear Technology LT3572 documents by type
How to use the product for one specific task, with worked examples.
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the LT3572 used for?
The LT3572 is a dual full-bridge driver designed specifically to operate piezoelectric motors found in digital cameras.
From: LINEAR dn436f handbook
What input voltage range does the step-up converter support?
The device can generate high output voltages from an input power source ranging between 2.7V and 10V.
From: LINEAR dn436f handbook
What is the input voltage range of the LT3572?
The device operates from 2.5 V up to 27 V.
How is the switching frequency set on the LT3572?
The frequency is set by the resistor on the RT pin, giving a range of 500 kHz to 2.25 MHz, and can be synchronized via the SYNC pin.
