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UA1538 Datenblatt(PDF) 1 Page - Unisonic Technologies |
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UA1538 Datenblatt(HTML) 1 Page - Unisonic Technologies |
1 / 21 page UNISONIC TECHNOLOGIES CO., UA1538 LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 21 Copyright © 2011 Unisonic Technologies Co., QW-R109-023,C 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. ORDERING INFORMATION Ordering Number Package Packing Lead Free Halogen Free UA1538L-QM1-Y UA1538G-QM1-Y QFP-44 Tray |
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