UC2844AQD8R TI DC DC Switching Controllers

The UC2844A is a current-mode PWM controller for off-line and DC-DC converter applications, operating from 10 V to 30 V supply. It features a trimmed oscillator for precise frequency control, a 1-A totem-pole output for driving power MOSFETs, and UVLO with 16-V on threshold and 10-V off hysteresis. The device includes low start-up current of 0.5 mA typical, cycle-by-cycle current limiting, and thermal protection. Operating temperature range is –40 °C to 125 °C. Packaged in an 8-pin SOIC, this controller is designed for high-reliability industrial and automotive applications. Selection is ideal for off-line flyback and forward converters requiring robust current-mode control. Applications include AC-DC adapters, battery chargers, isolated telecom power supplies, and industrial power converters requiring high reliability and wide temperature operation. In stock at HL Electronics – request a quote for fast delivery.

UC2844AQD8R - TI - main product image
Part No.:UC2844AQD8R
Brand:TI
Date Code:
Stock:3,000
SPQ:0
MOQ:1+
Delivery Time:In Stock

Pricing (USD)

QuantityUnit Price
1+ $ 0.71
100+ $ 0.59
1250+ $ 0.54
2500+ $ 0.51

Technical Specifications

  • Part No.UC2844AQD8R
  • Model UC2844AQD8R
  • Category Integrated Circuits (ICs) > Power Management (PMIC) > DC DC Switching Controllers
  • Manufacturer Texas Instruments
  • Packaging Tape & Reel (TR)
  • Part Status Active
  • Output Type Transistor Driver
  • Function Step-Up, Step-Down, Step-Up/Step-Down
  • Topology Boost, Buck, Flyback, Forward
  • Number of Outputs 1
  • Output Phases 1
  • Voltage - Supply (Vcc/Vdd) 10 V ~ 30 V
  • Frequency - Switching Up to 500 kHz
  • Duty Cycle (Max) 48%
  • Synchronous Rectifier No
  • Clock Sync No
  • Control Features Frequency Control
  • Operating Temperature -40°C ~ 125°C (TA)
  • Mounting Type Surface Mount
  • Supplier Device Package 14-SOIC
  • Base Product Number UC2844
  • RoHS ROHS3 Compliant
  • Standard Package 2500
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