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TI UC2842ADTR product image
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TI UC2842ADTRRoHS

Manufacturer
TI
MPN
UC2842ADTR
LCSC Part #
C2658356
Packaging
SOIC-14
Customer #
Key Attributes
UCx84xA Current-Mode PWM Controllers
Datasheetpdf iconTI UC2842ADTR
In-Stock: 70
70 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 0.8984$ 0.90
10+$ 0.8789$ 8.79
30+$ 0.8643$ 25.93
100+$ 0.8512$ 85.12
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-14
Output Current1A
Pd - Power Dissipation1W
Frequency - Switching500kHz
FeaturesSlope compensation;Under-voltage lockout;Over Current Protection;Under Voltage Protection
Output Voltage11V
Duty Cycle(Max)96%
Operating Temperature-40℃~+85℃
Feedback SystemSecondary-Side Feedback
Operating Voltage11V~25V
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