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UA1538 Datasheet

  • UA1538

  • 4-CH MOTOR DRIVER FOR PORTABLE CD PLAYERS

  • 18頁

  • UTC-IC

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UNISONIC TECHNOLOGIES CO.,
UA1538
4-CH MOTOR DRIVER FOR
PORTABLE CD PLAYERS
DESCRIPTION
The UTC UA1538 contains a 4ch H bridge driver and
DC-DC converter control circuit on one chip, and was
developed for use in portable CD players.
LINEAR INTEGRATED CIRCUIT
FEATURES
*Built-in 4ch H bridge driver, and PWM control of load
drive voltage is made possible by external
components.
*DC-DC converter control circuit on chip.
*With reset output inversion output pin.
*Empty detection level can be switched between
rechargeable battery and dry battery.
*Constant current charging; current value can be varied
using external resistor.
*Built-in power transistor for charging.
*Built-in independent thermal shutdown circuit.
QFP-44-0.8
*Pb-free plating product number: UA1538L
ORDERING INFORMATION
Ordering Number
Normal
Lead Free Plating
UA1538-QM1-T UA1538L-QM1-T
Package
QFP-44-0.8
Packing
Tube
www.unisonic.com.tw
Copyright 漏 2005 Unisonic Technologies Co.,
1
QW-R109-023,B

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