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UC2844AQ - CURRENT-MODE PWM CONTROLLER

This page provides the datasheet information for the UC2844AQ, a member of the UC2842AQ CURRENT-MODE PWM CONTROLLER family.

Datasheet Summary

Description

SGLS164 APRIL 2003 D 8-PIN PACKAGE (TOP VIEW) COMP VFB ISENSE RT/CT 1 2 3 4 8 VREF 7 VCC 6 OUTPUT 5 GND D 14-PIN PACKAGE (TOP VIEW) COMP NC VFB NC ISENSE NC RT/CT 1 2 3 4 5 6 7 14 VREF 13 NC 12 VCC 11 VC 10 OUTPUT 9 GND 8 PWR GND The UC2842A/3A/4A/5A family of control ICs is a pin

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 0.5 mA. Oscillator discharge is trimmed to 8.3 mA. During under voltage lockout, the output stage can sink at least 10 mA at less than 1.2 V for VCC over 5 V. The difference between members of this family are shown in the table below. PART NUMBER UC2842A UC2843A UC2844A UC2845A UVLO ON 16 V 8.5 V 16 V 8.5 V UVLO OFF 10 V 7.9 V 10 V 7.9 V MAXIMU.

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Datasheet preview – UC2844AQ

Datasheet Details

Part number UC2844AQ
Manufacturer Texas Instruments
File Size 698.59 KB
Description CURRENT-MODE PWM CONTROLLER
Datasheet download datasheet UC2844AQ Datasheet
Additional preview pages of the UC2844AQ datasheet.

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Full PDF Text Transcription

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UC2842AQ, UC2843AQ, UC2844AQ, UC2845AQ CURRENT-MODE PWM CONTROLLER D Extended Temperature Performance of –40°C to 125°C D Optimized for Off-line and DC to DC Converters D Low Start Up Current (<0.
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