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UC3842GP-D08-T Datasheet(PDF) 1 Page - Unisonic Technologies |
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UC3842GP-D08-T Datasheet(HTML) 1 Page - Unisonic Technologies |
1 / 7 page UNISONIC TECHNOLOGIES CO., LTD UC3842G LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 7 Copyright © 2015 Unisonic Technologies Co., Ltd QW-R103-036.D HIGH PERFORMANCE CURRENT MODE CONTROLLER ■ DESCRIPTION The UTC UC3842G of high performance current mode controller is specifically designed for off-line and DC-to-DC converter applications offering the designer a cost effective solution with minimal external components. This integrated circuit features approximately 40μA start up current, a precision reference trimmed the error amplifier input. Also included are protective features consisting of input and reference undervoltage lockouts each with hysteresis, cycle-by-cycle current limiting, and so on. ■ FEATURES * Low startup and operating current * User defined switching frequency(Norm is 52kHz) * Power-saving mode for low power * Under voltage lockout with hysteresis * Over voltage protection * Latching PWM for Cycle-By-Cycle current limiting * Internally trimmed reference with undervoltage lockout ORDERING INFORMATION Ordering Number Lead Free Halogen Free Package Packing UC3842GL-D08-T UC3842GP-D08-T DIP-8 Tube - UC3842GP-S08-R SOP-8 Tape Reel MARKING DIP-8 SOP-8 |
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