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UC2843AN

PWM Controller, 25V-12V supply, 500 kHz, 15V/1A out, DIP-8

TEXAS INSTRUMENTS UC2843AN
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Manufacturer Part No:
UC2843AN
Order Code:
3008553

Product Overview

The UC2843AN is a Current Mode PWM Controller optimized for off-line and DC to DC converters. Providing the necessary features to control current mode switched mode power supplies, this controller has the following improved features. Start up current is guaranteed to be less than 0.5mA. Oscillator discharge is trimmed to 8.3mA. During under-voltage lockout, the output stage can sink at least 10mA at less than 1.2V for VCC over 5V.
  • Optimized for off-line and DC to DC converters
  • Low start up current (<0.5mA)
  • Trimmed oscillator discharge current
  • Automatic feed forward compensation
  • Pulse-by-pulse current limiting
  • Enhanced load response characteristics
  • Under-voltage lockout with hysteresis
  • Double pulse suppression
  • High current totem pole output
  • Internally trimmed bandgap reference
  • Low RO error amp
  • Green product and no Sb
  • Br

Applications

Power Management

Product Information

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:
25V

:
15V

:
1A

:
12V

:
25V

:
DIP

:
8Pins

:
500kHz

:
-40°C

:
85°C

:
-

:
-

:
-

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Technical Docs (1)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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More stock available to supplier lead times which is approximately 10/24/22

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