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UC2845BD1G

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

ON SEMICONDUCTOR UC2845BD1G

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Manufacturer Part No:
UC2845BD1G
Order Code:
2318545
Technical Datasheet:
UC2845BD1G   Datasheet
See all Technical Docs

Product Overview

The UC2845BD1G 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

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:
-

:
13.4V

:
12mA

:
12V

:
25V

:
SOIC

:
8Pins

:
250kHz

:
-25°C

:
85°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (2)

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