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TI UCC28C43-Q1 BiCMOS low power consumption current mode PWM control scheme.

May 23, 2018

The UCC28C4x-Q1 family devices are high performance current-mode PWM controllers. They are enhanced BiCMOS versions with pin-for-pin compatibility to the industry standard UC28C4x family PWM controllers.

Providing necessary features to control fixed frequency, peak current mode power supplies, this family offers several performance advantages. These devices offer high frequency operation up to 1 MHz with low start up and operating currents, thus minimizing start up loss and low operating power consumption for improved efficiency. The devices

also feature a fast current sense to output delay time of 35 ns, and a ±1-A peak output current capability with improved rise and fall times for driving large external MOSFETs directly.

The UCC28C4x-Q1 family is offered in the 8-pin SOIC (D) package.

http://www.hkchipsource.com/serach/UCC28C43.html

1• AEC-Q100 Qualified with the Following Results:

– Device Temperature Grade 1:-40⁰C to 125⁰C

– Device HBM Classification Level 2: ±2 kV

– Device CDM Classification Level C4B: 750 V

• 1-MHz Operation

• 50-μA Standby Current, 100-μA Maximum

• Low Operating Current of 2.3 mA at 52 kHz

• Fast 35-ns Cycle-by-Cycle Over-Current Limiting

• ±1-A Peak Output Current

• Rail-to-Rail Output Swings With 25-ns Rise and 20-ns Fall Times

• ±1% Initial Trimmed 2.5-V Error Amplifier Reference

• Trimmed Oscillator Discharge Current

• New Undervoltage Lockout Versions

• Create a Custom Design Using the UCC28C4x-Q1 With the WEBENCH® Power Designer

UCC28C43-Q1:

• Automotive Power Supplies

• Hybrid and Electric Vehicles in Automotive

• Switch Mode Power Supplies

• DC-to-DC Converters

• Board Mount Power Modules

http://www.hkchipsource.com/manufacturer/burr-brown.html

Comments (4)

Jessica Moore

This article about electronic components is well-written and informative. It covers a wide range of topics and provides valuable insights into the world of electronics. I found the explanations to be clear and easy to understand, even for someone with limited technical knowledge.

November 30, 2019
1. Adam Taylor
  
  I also enjoyed reading this article. It's great to see such clear explanations of complex topics. Looking forward to reading more from this author in the future.
  
  December 5, 2019
Ryan Ford

I completely agree with the previous reviewer. This article is an excellent resource for anyone interested in learning about electronic components. I particularly appreciated the section on common types of resistors and how to read their values. Keep up the good work!

December 5, 2020

TI UCC28C43-Q1 BiCMOS low power consumption current mode PWM control scheme.

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