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UC3842AL-D08-T Scheda tecnica(PDF) 1 Page - Unisonic Technologies |
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UC3842AL-D08-T Scheda tecnica(HTML) 1 Page - Unisonic Technologies |
1 / 9 page UNISONIC TECHNOLOGIES CO., LTD UC3842A/3843A LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 9 Copyright © 2015 Unisonic Technologies Co., Ltd QW-R103-002.H CURRENT MODE PWM CONTROL CIRCUITS DESCRIPTION The UTC UC3842A/3843A provide the necessary functions to implement off-line or DC to DC fixed frequency current mode , controlled switching circuits with minimal external components. FEATURES *Low Start Up Current ( Typical 0.12mA ) *Automatic Feed Forward Compensation *Pulse-by-Pulse Current Limiting *Under-voltage Lockout with Hysteresis *Double Pulse Suppression *High Current Totem Pole Output to Drive MOSFET Directly *Internally Trimmed Band Gap Reference *500kHz Operation ORDERING INFORMATION Ordering Number Lead Free Halogen Free Package Packing UC3842AL-D08-T UC3842AP-D08-T DIP-8 Tube - UC3842AP-S08-R SOP-8 Tape Reel UC3843AL-D08-T UC3843AP-D08-T DIP-8 Tube - UC3843AP-S08-R SOP-8 Tape Reel MARKING Package UC3842A UC3843A DIP-8 UTC UC3843A 2 3 4 1 5 6 7 8 Date Code L: Lead Free P: Halogen Free Lot Code SOP-8 |
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