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UA1538 Scheda tecnica(PDF) 1 Page - Unisonic Technologies |
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UA1538 Scheda tecnica(HTML) 1 Page - Unisonic Technologies |
1 / 18 page UNISONIC TECHNOLOGIES CO., UA1538 LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 Copyright © 2005 Unisonic Technologies Co., QW-R109-023,B 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. 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 Package Packing UA1538-QM1-T UA1538L-QM1-T QFP-44-0.8 Tube |
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