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TI UCC2805QDRQ1 product image
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TI UCC2805QDRQ1RoHS

Manufacturer
TI
MPN
UCC2805QDRQ1
LCSC Part #
C702416
Packaging
SOIC-8
Customer #
Key Attributes
Low-Power BiCMOS Current-Mode PWM Controllers
Datasheetpdf iconTI UCC2805QDRQ1
In-Stock: 122
122 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 4.2351$ 4.24
10+$ 3.6201$ 36.20
30+$ 3.2551$ 97.65
100+$ 2.8851$ 288.51
500+$ 2.7147$ 1357.35
1,000+$ 2.6385$ 2638.50
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 Current20mA
Pd - Power Dissipation0.65W
Frequency - Switching26kHz~36kHz
FeaturesLeading edge blanking;Under-voltage lockout;Soft-start;Over Current Protection;Under Voltage Protection
Output Voltage4V
Duty Cycle(Max)50%
Operating Temperature-40℃~+125℃
Operating Voltage3.6V~11V
TopologyFlyback
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The UCC280x-Q1 family of high-speed, low-power integrated circuits contain all of the control and drive components required for off-line and DC-to-DC fixed frequency current-mode switching mode power supplies with minimal parts count. These devices have the same pin configuration as the UCx84x family, and also offer the added features of internal full-cycle soft start and internal leadingedge blanking of the current-sense input. The UCC280x-Q1 family offers a variety of package options, temperature range options, choice of maximum duty cycle, and choice of critical voltage levels. Lower reference parts such as the UCC2803-Q1 and UCC2805-Q1 fit best into battery-operated systems, while the higher reference and higher UVLO hysteresis of the UCC2802-Q1 and UCC2804-Q1 make these ideal choices for use in off-line power supplies. The UCC280x-Q1 series is specified for operation from -40°C to 125°C.

Features

AI Translation
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results: Device temperature grade 1: -40°C to 125°C TA; Device HBM classification level 2: ±2 kV; Device CDM classification level C5: >1000 V
  • 100-μA typical starting supply current
  • 500-μA typical operating supply current
  • Operation up 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 UC3842 and UC3842A

Applications

AI Translation
  • Switch mode power supplies (SMPS)
  • DC-to-DC converters
  • Power modules
  • Automotive PSU
  • Battery-operated PSU