UC2844A View Datasheet(PDF) - STMicroelectronics

Part Name

Description

View to exact match

UC2844A

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

STMicroelectronics 

Figure 14. Output Waveform.

UC384XA - UC284XA

Figure 15. Output Cross Conduction

Figure 16. Oscillator and Output Waveforms.

Vi

7

8

5V REG

PWM

RT

CLOCK

4

OSCILLATOR

ID

CT

5

GND

Figure 17. Error Amp Configuration.

CT

OUTPUT

6

OUTPUT

LARGE RT/SMALL CT

CT

OUTPUT

SMALL RT/LARGE CT

D95IN344

2.5V

+

Zi

VFB 2

-

COMP 1

Zf

1mA

D95IN345

7/16

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