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TI UCC3813PWTR-5 product image
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TI UCC3813PWTR-5RoHS

Manufacturer
TI
MPN
UCC3813PWTR-5
LCSC Part #
C544333
Packaging
TSSOP-8
Customer #
Key Attributes
UCCx813-x Low-Power Economy BiCMOS Current-Mode PWM
Datasheetpdf iconTI UCC3813PWTR-5
In-Stock: 90
90 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 3.2787$ 3.28
10+$ 2.7958$ 27.96
30+$ 2.4948$ 74.84
100+$ 2.1858$ 218.58
500+$ 2.0458$ 1022.90
1,000+$ 1.9846$ 1984.60
Standard Packaging2000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/DC DC Switching Controllers
ManufacturerTI
PackagingTSSOP-8
Operating Temperature0℃~+70℃
Output Current1A
FeaturesLeading edge blanking;Slope compensation;Under-voltage lockout;Soft-start;Under Voltage Protection;Over Current Protection
TopologyFlyback
Duty Cycle(Max)50%
Operating Voltage3.6V~12V
Frequency - Switching31kHz
Output Voltage4V
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2000
Sales UnitPiece

Introduction

AI Translation

The UCC3813-x device family of high-speed, lowpower integrated circuits contains all of the control and drive components required for off-line and DC-toDC fixed-frequency current-mode switching power supplies with minimal parts count. These devices have the same pin configuration as the UC384x device family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input. The UCC3813-x device family offers a variety of package options, temperature-range options, choice of maximum duty cycle, and choice of critical voltage levels. Devices with lower reference voltage such as the UCC3813-3 and UCC3813-5 fit best into battery operated systems, while the higher reference and the higher UVLO hysteresis of the UCC3813-2 device and UCC3813-4 device make these ideal choices for use in off-line power supplies. The UCC2813-x device series is specified for operation from -40°C to 85°C and the UCC3813-x device series is specified for operation from 0°C to 70°C.

Features

AI Translation
  • 100-μA typical starting supply current
  • 500-μA typical operating supply current
  • Operation to 1 MHz
  • Internal soft start
  • Internal fault soft start
  • Internal leading-edge blanking of the current sense signal
  • 1-A totem-pole output
  • 70-ns typical response from current-sense to gate drive output
  • 1.5% Tolerance Voltage Reference
  • Same Pinout as the UCC3802 device, UC3842 device, and UC3842A device families

Applications

AI Translation
  • Switch mode power supplies (SMPS)
  • DC-DC converters
  • Power modules
  • Industrial PSUs Battery operated PSUs