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LR478L-XX-S08-T Datasheet(PDF) 1 Page - Unisonic Technologies |
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LR478L-XX-S08-T Datasheet(HTML) 1 Page - Unisonic Technologies |
1 / 8 page UNISONIC TECHNOLOGIES CO., LTD LR478 LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 8 Copyright © 2005 Unisonic Technologies Co., LTD QW-R112-001,B REGULATOR+RESET IC DESCRIPTION The UTC LR478 developed for use in CD-ROM drives, combines a 3V regulator adapted to low power consumption with a much-sought reset function (regulator input monitoring),with internal delay circuit, set to detect 4.2V. FEATURES *Large Output Current: 300mA (max.) *High Ripple Rejection Rate: 80dB(typ.) *Internal Thermal Shutdown Circuit *Internal Current Limiting Circuit *Easy Set Delay Time from Voltage Detection to Reset Release SOP-8 *Pb-free plating product number: LR478L ORDERING INFORMATION Order Number Normal Lead Free Plating Package Packing LR478-xx-S08-R LR478L-xx-S08-R SOP-8 Tape Reel LR478-xx-S08-T LR478L-xx-S08-T SOP-8 Tube Note: xx: Output Voltage, refer to Rank List as below. OUTPUT DETECTION VOLTAGE RANK LIST PART NUMBER REGULATOR OUTPUT VOLTAGE (V) DETECTION VOLTAGE (V) LR478-3.4V 3.40±0.05 4.20±0.09 LR478-3.3V 3.30±0.05 4.20±0.09 LR478-2.5V 2.50±0.05 4.20±0.09 |
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