Серия DC-DC интегральных преобразователей UC2843

UTC

Общие характеристики

 Раздел DC-DC преобразователи интегральные
Корпус DIP-8
Входное напряжение
Максимальный выходной ток
Кол-во выходов
Частота преобразования
Рабочая температура

Документация на серию UC2843

UNISONIC TECHNOLOGIES CO., LTD UC2843B LINEAR INTEGRATED CIRCUIT HIGH-PERFORMANCE CURRENT-MODE PWM CONTROLLERS  DESCRIPTION The UTC UC2843B provides off-line or DC-DC fixed-frequency current-mode control design with minimum external components. Internally-implemented circuits include an under-voltage lockout (UVLO) and a precision reference with accuracy at the error amplifier input. The UTC UC2843B also contain internal circuits which include a pulse width modulation (PWM) comparator providing current-limit control, logic ensuring latched operation, and a totem-pole output stage designed to source or sink high-peak current. The output stage is low when it is in off-state condition and suitable for N-channel MOSFETs driving. The UTC UC2843B also has following advantages: the start-up current lower than 0.5mA while the oscillator discharge current is specified to 8.3mA (Typ.). In UVLO conditions, the output has a maximum saturation voltage of 1.2V when sinking 10mA @ VCC = 5V. The typical UVLO threshold of the UTC UC2843B is 8.4V (on) and 7.6V (off) and can operate to duty cycles approximately 100%.  FEATURES * Current mode operation:500 kHz * Low start-up current value<0.5mA * Latching PWM for cycle-by-cycle current limiting * Trimmed oscillator discharge current  * Automatic feed-forward compensation * Internally trimmed reference with UVLO * High-current totem-pole output UVLO with hysteresis * Double-pulse suppression ORDERING INFORMATION Ordering Number Lead Free Halogen Free UC2843BL-D08-T UC2843BG-D08-T UC2843BL-S08-T UC2843BG-S08-T UC2843BL-S08-R UC2843BG-S08-R www.unisonic.com.tw Copyright © 2021 Unisonic Technologies Co., Ltd Package Packing DIP-8 SOP-8 SOP-8 Tube Tube Tape Reel 1 of 9 QW-R103-048.F PDF
Документация на UC2843BL-D08-T 

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    Товары серии UC2843

    Наименование i Упаковка
    UC2843BL-D08-T (UTC)
     

    UC2843 публикации

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