Varnitronics
UC2844AD8TR TI
TI

UC2844AD8TR

1A 26kHz SOIC-8 Power Supply Controllers, Monitors RoHS

SOIC-8ROHS3 CompliantActive

UCx84xA Current-Mode PWM Controllers

Manufacturer
TI
Manufacturer part #
UC2844AD8TR
Store part #
C111816
Package / case
SOIC-8
Packaging
Tape & Reel (TR)
Datasheet (PDF)

Every Order Guarantee

100% Authentic · 30-Day Return or Replacement · policy

2,583 in stock

#C111816

Stock & price checked 5 days ago

QuantityUnit pricePack price
1+₹61.59₹61.59
10+₹49.30₹493.00
30+₹43.16₹1,294.80
100+₹37.03₹3,703.00
500+₹33.42₹16,710.00
1,000+₹31.60₹31,600.00

1 × ₹61.59

₹61.59

excl. GST

₹72.68 incl. 18% GST

Need volume or a scheduled delivery? Request a quote
  • Dispatch in 7–10 working days
  • GST invoice with every order
  • Standard pack: 2,500 per reel

UC2844AD8TR

₹61.59 for 1 + GST

Specifications

Output Current
1A
Output Type
Adjustable
Synchronous Rectifier
No
Function
Boost;Cycle-by-cycle current limiting;Overcurrent Protection
Frequency - Switching
26kHz
Number of Outputs
1
Switch Tube (Built-In/External)
Built-in
Quiescent Current
11mA
Operating Temperature
-40℃~+85℃@(TA)
Operating Voltage
11V~25V
Topology
Flyback

Packaging & compliance

RoHS
ROHS3 Compliant
Lifecycle
Active
ECCN
EAR99
Packaging
Tape & Reel (TR)
Standard pack
2,500 / Reel
Sold per
Piece
Minimum order
1
Unit weight
0.173 g

Overview

The UCx84xA series of fixed-frequency pulse-width modulation (PWM) controllers are designed to operate at a switching frequency of 500kHz. These controllers are designed for peak current mode (PCM) and can be used in both isolated and non-isolated power supply designs. These controllers can drive FETs directly from the output, capable of sourcing and sinking up to 1A of gate drive current. These devices also feature a built-in low-impedance amplifier, which can be used in non-isolated designs to control the power supply output voltage and feedback loop.

Applications

  • Switched-Mode Power Supplies (SMPS)
  • DC/DC Converters
  • Power Modules
  • Industrial PSUs
  • Battery-Powered PSUs

Key features

  • Optimized for off-line and DC/DC converters
  • Low startup current (< 0.5mA)
  • Trimmed oscillator discharge current
  • Automatic feedforward compensation
  • Pulse-by-pulse current limiting
  • Enhanced load response characteristics
  • Undervoltage lockout with hysteresis
  • Double pulse suppression
  • High-current totem-pole output
  • Internally trimmed bandgap reference
  • Operating frequency up to 500kHz

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