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PWM Controller, 25V - 12V supply, 250kHz, 13.4V / 200mA out, DIP-8 - 

UC3844BNG

UC3844BNG - PWM Controller, 25V - 12V supply, 250kHz, 13.4V / 200mA out, DIP-8

Image is for illustrative purposes only. Please refer to product description.

Manufacturer:
ONSEMI ONSEMI
Manufacturer Part No:
UC3844BNG
Order Code:
SC18579
Product Range
-
Technical Datasheet:
UC3844BNG   Datasheet
See all Technical Docs

Product Overview

The UC3844BNG is a high-performance fixed frequency current-mode Pulse Width Modulation (PWM) Controller specifically designed for off-line and DC to DC converter applications offering the designer a cost-effective solution with minimal external components. It features an oscillator, a temperature compensated reference, high gain error amplifier, current sensing comparator and a high current totem pole output ideally suited for driving a power MOSFET. Also included are protective features consisting of input and reference undervoltage lockouts each with hysteresis, cycle-by-cycle current limiting, a latch for single pulse metering and a flip-flop which blanks the output off every other oscillator cycle, allowing output deadtimes to be programmed from 50 to 70%.
  • Trimmed oscillator for precise frequency control
  • Automatic feed forward compensation
  • Internally trimmed reference with undervoltage lockout
  • High current totem pole output
  • Undervoltage lockout with hysteresis
  • Low startup and operating current

Applications

Power Management, Industrial

Product Information


:
Single Ended Controller

:
1Channels

:
Current Mode Control

:
12V

:
25V

:
DIP

:
8Pins

:
Through Hole

:
52kHz

:
-

:
-

:
0%

:
50%

:
Boost, Flyback, Inverting

:
0°C

:
70°C

:
-

:
-

:
-

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Technical Documents (3)

Available for back order

More stock available to supplier lead times which is approximately 14/07/25

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3

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