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TI UC2844AQD8RRoHS

Manufacturer
TI
MPN
UC2844AQD8R
LCSC Part #
C544584
Packaging
SOIC-8
Customer #
Key Attributes
UCx84xA Current-Mode PWM Controllers
Datasheetpdf iconTI UC2844AQD8R
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QtyUnit Price(Reference Only)Total Amount
1+$ 1.749$ 1.75
10+$ 1.5362$ 15.36
30+$ 1.4193$ 42.58
100+$ 1.2878$ 128.78
500+$ 1.2293$ 614.65
1,000+$ 1.2033$ 1203.30
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Power Supply Controllers, Monitors
ManufacturerTI
PackagingSOIC-8
Output Current1A
Pd - Power Dissipation1W
Frequency - Switching500kHz
FeaturesUnder-voltage lockout;Slope compensation;Over Current Protection;Under Voltage Protection
Output Voltage11V
Duty Cycle(Max)48%
Operating Temperature-40℃~+85℃
Working ModePWM Modulation
Feedback SystemSecondary-Side Feedback
Operating Voltage10V~30V
TopologyFlyback
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

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.

Features

AI Translation
  • 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

Applications

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