HomedatasheetUC3842AN

UC3842AN Datasheet

Current Mode PWM Controllers
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Description

The UC1842A/3A/4A/5A family of control ICs is a pin for pin comp ati-ble improved version of the UC3842/3/4/5 family. Providing the necessary features to control current mode switched mode power supplies, this family has the following improved features. Start up current is guaranteed to be less than 0.5mA. Oscillator discharge is trimmed t0 8.3mA. During under voltage lockout, the output stage can sink at least lOmA at less than l.2V for Vcc over 5V. UC3842AN FEATURES . Optimized for Off-line and DC to DC Converters. Low Start Up Current (<0.5mA). Trimmed Oscillator Discharge Current. Automatic Feed Forward Compensation. Pulse-by-Pulse Current Limiting. Enhanced Load Response Characteristics. Under-Voltage Lockout With Hysteresis. Double Pulse Suppression. High Current Totem Pole Output. 500kHz Operation. Low Ro Error Amp
Features

Parameters

[{"Name":"Switching Frequency","Value":"500 kHz "},{"Name":"Fall Time","Value":"50 ns "},{"Name":"Maximum Operating Temperature","Value":"+ 70 C "},{"Name":"Package / Case","Value":"PDIP-8 "},{"Name":"Output Current","Value":"1000 mA"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

TI [TEXAS INSTRUMENTS]
Warm Hint

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