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UC3842BL-D08-T

UTC
CONTROLLER, PWM; Controller Type:PWM; Voltage, Input Max:25V; Current, Output Max:1A; Output Type:Totem Pole; Current, Input:11mA; Energy, Output per Cycle:5чJ; Frequency:500kHz; Power Dissipation:1W; Voltage, Supply Min:7.6V; Voltage, Supply Max:30V; Termination Type:Through Hole; Case Style:DIP-8; Pins, No. of:8; Temperature, Operating Range:0°C to +70°C; Device Marking:UC3843AN; IC Generic Number:3843; Current, Supply:11mA
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UNISONIC TECHNOLOGIES CO., LTD UC3842B/3843B LINEAR INTEGRATED CIRCUIT HIGH PERFORMANCE CURRENT MODE CONTROLLERS  DESCRIPTION The UTC UC3842B/3843B are specifically designed for off-line and dc-to-dc converter applications offering the designer a cost-effective solution with minimal external components. The UC3842B has UVLO thresholds 16V (on) and 10V(off), ideally suited for off-line converters. The UC3843B is tailored for lower voltage applications having UVLO thresholds of 8.4V(on) and 7.6V(off).  FEATURES * Trimmed oscillator for precise frequency control * Oscillator frequency guaranteed at 250kHz * Current mode operation to 500kHz * Automatic feed forward compensation * Latching PWM for cycle-by-cycle current limiting * Internally trimmed reference with undervoltage lockout * High current totem pole output * Undervoltage lockout with hysteresis * Low startup and operating current  ORDERING INFORMATION Ordering Number Lead Free Halogen Free UC3842BL-D08-T UC3842BP-D08-T UC3842BL-S08-R UC3842BP-S08-R UC3843BL-D08-T UC3843BP-D08-T UC3843BL-S08-R UC3843BP-S08-R www.unisonic.com.tw Copyright © 2019 Unisonic Technologies Co., Ltd Package Packing DIP-8 SOP-8 DIP-8 SOP-8 Tube Tape Reel Tube Tape Reel 1 of 11 QW-R103-012.H PDF
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Дата модификации: 29.04.2019

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