UC2845A, UC2842A Datasheet - ST Microelectronics

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UC2845A, UC2842A HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

UC284XA UC384XA HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER NOT FOR NEW DESIGN 1 .
PThe UC384xA family of control ICs provides the necessary features to implement off-line or DC to teDC fixed frequency current mode control schemes le.

UC2842A_STMicroelectronics.pdf

UC2845A Datasheet Preview — This datasheet PDF includes multiple part numbers: UC2845A, UC2842A. Please refer to the document for exact specifications by model.

Datasheet Details

Part number:

UC2845A, UC2842A

Manufacturer:

STMicroelectronics ↗

File Size:

173.11 KB

Description:

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

Note:

This datasheet PDF includes multiple part numbers: UC2845A, UC2842A.
Please refer to the document for exact specifications by model.

Features

* Figure 1. Package
* TRIMMED OSCILLATOR DISCHARGE CURRENT
* CURRENT MODE OPERATION TO 500kHz AUTOMATIC FEED FORWARD COMPENSATION DIP-8 SO-8
* LATCHING PWM FOR CYCLE-BY-CYCLE CURRENT LIMITING Table 1. Order Codes
* INTERNALLY TRIMMED REFERENCE WITH Part Number Package UNDE

Applications

* The corresponding thresholds for the UC3843A and UC3845A are 8.5 V and 7.9V. The UC3842A and UC3843A can operate to duty cycles approaching 100%. A range of the zero to < 50 % is obtained by the UC3844A and UC3845A by the addition of an internal toggle flip flop which blanks the output off every oth

UC2845A Distributors

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