HomedatasheetUC3842AD8TR

UC3842AD8TR Datasheet

Current Mode PWM Controllers
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Description

The UC3842AD8TR /3A/4A/5A family of control ICs is a pin for pin compatible 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 to 8.3mA. During under voltage lockout, the output stage can sink at least 10mA at less than 1.2V for VCC over 5V. UC3842AD8TR Features &bull; Optimized for Off-line and DC to DC Converters&bull; Low Start Up Current (<0.5mA)&bull; Trimmed Oscillator Discharge Current&bull; Automatic Feed Forward Compensation&bull; Pulse-by-Pulse Current Limiting&bull; Enhanced Load Response Characteristics&bull; Under-Voltage Lockout With Hysteresis&bull; Double Pulse Suppression&bull; High Current Totem Pole Output&bull; Internally Trimmed Bandgap Reference&bull; 500kHz Operation&bull; Low RO Error Amp
Features

Parameters

[{"Name":"Switching Frequency","Value":"500 kHz "},{"Name":"Rise Time","Value":"50 ns "},{"Name":"Fall Time","Value":"50 ns "},{"Name":"Number of Outputs","Value":"1"},{"Name":"Maximum Operating Temperature","Value":"+ 70 C "},{"Name":"Mounting Style","Value":"SMD/SMT "},{"Name":"Package / Case","Value":"SOIC-8 "},{"Name":"Minimum Operating Temperature","Value":"0 C "},{"Name":"Output Current","Value":"1000 mA "},{"Name":"Packaging","Value":"Reel "}]

Manufacturer information

DALLAS SEMICONDUCTOR
Warm Hint

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