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LT3572

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 PackageApplic...

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SeekIC No. : 004401123 Detail

LT3572: 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 Separat...

LT3572 Data Sheet

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Part Number:
LT3572
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



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


Application

Piezo Motor Drive


Pinout

Connection Diagram


Specifications

VOUT Voltage .............................................................40V
OUTA, OUTA, OUTB, OUTB Voltage .............................40V
SW Voltage ...............................................................42V
RT, SS, SYNC ...............................................................2V
FB ...............................................................................3V
All Other Pins ............................................................10V
Maximum Junction Temperature.............................. 125
Operating Temperature Range (Note 2).... 40 to 85
Storage Temperature Range .................. 65 to 125


Description

The LT®3572 is a highly integrated dual Piezo motor driver capable of driving two Piezo motors at up to 40V from a 5V supply. Each Piezo driver can be independently turned on or off along with the boost converter.}

The boost regulator has a soft-start capability that limits the inrush current at start-up. The boost regulator switching frequency is set by an external resistor or the frequency can be synchronized by an external clock. A PGOOD pin indicates when the output of the boost converter is in regulation and the Piezo drivers are allowed to start switching.

The LT3572 is available in a (4mm × 4mm) 20-pin QFN package.




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