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TI UC3844AD8TRRoHS

Manufacturer
TI
MPN
UC3844AD8TR
LCSC Part #
C111743
Packaging
SOIC-8
Customer #
Key Attributes
Current-mode PWM controller
Datasheetpdf iconTI UC3844AD8TR
In-Stock: 654
654 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 0.6887$ 0.69
10+$ 0.582$ 5.82
30+$ 0.5076$ 15.23
100+$ 0.4446$ 44.46
500+$ 0.4252$ 212.60
1,000+$ 0.4139$ 413.90
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
Output TypeAdjustable
Frequency - Switching500kHz
Number of Outputs1
FeaturesCycle-by-cycle current limiting;Overcurrent Protection
Switch Tube (Built-In/External)External
Output Voltage4.9V~5.1V
Operating Temperature0℃~+70℃
Operating Voltage11V~25V
TopologyFlyback
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The UCx84xA series of control devices are improved versions that are pin-to-pin compatible with the UCx84x series. This series of devices provides the necessary features for controlling current-mode or switch-mode power supplies and has many improved features: the start-up current is less than 0.5 mA, the oscillator discharge current is adjusted to 8.3 mA, and during UVLO, the output stage can sink at least 10 mA of current at a voltage below 1.2 V (when VCC is higher than 5 V).

Features

AI Translation
  • Optimized for off-line and DC/DC converters
  • Low startup current (< 0.5mA)
  • Trimmed oscillator discharge current
  • Automatic feed-forward 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
  • Create custom designs with UCx84xA using WEBENCH PowerDesigner

Applications

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