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uC3844D ,PWM Controller SOIC-14 - Off-line/Current-Mode Controller

uC3844D ,PWM Controller SOIC-14 - Off-line/Current-Mode Controller

SKU
SCIx1793
Part Number
UC3844D
Brand:
Generic
Categories:
Semiconductors, Ics, Power Management ICs
2-3 Weeks
JOD 1.73
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The UC3844D is a high-performance current-mode PWM controller optimized for off-line and DC-to-DC converter applications. With its low startup current and precision error amplifier, it enhances efficiency in power supplies while ensuring reliable performance. It features pulse-by-pulse current limiting and undervoltage lockout with hysteresis, making it ideal for a range of power management applications.

Designed for high-frequency operation, this controller supports up to 500kHz switching and integrates key protection mechanisms, reducing the need for additional external components.

Key Features :

  • Low startup current (<1mA), reducing power consumption.
  • Precision error amplifier with low output resistance for accuracy.
  • Pulse-by-pulse current limiting for enhanced protection.
  • Undervoltage lockout (UVLO) with hysteresis to prevent power instability.
  • High-current totem-pole output to drive MOSFETs directly.
  • Capable of operating up to 500kHz for high-frequency applications.
More Information
Package Type SOIC-14
Type PWM Controller
IC type N/A
Function N/A
Current 25mA
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1 - 3 Days

3 JOD / Free Above 100 JOD

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General

3-5 Weeks