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UC3842BNG

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

ON SEMICONDUCTOR UC3842BNG

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Manufacturer Part No:
UC3842BNG
Order Code:
1652438
Technical Datasheet:
UC3842BNG   Datasheet
See all Technical Docs

Product Overview

The UC3842BNG 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. This integrated circuit features a trimmed oscillator for precise duty cycle control, 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, programmable output deadtime and a latch for single pulse metering.
  • 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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-

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13.4V

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200mA

:
12V

:
25V

:
DIP

:
8Pins

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250kHz

:
0°C

:
70°C

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-

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-

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-
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Technical Docs (3)

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