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UC1856-SP - Improved Current-Mode PWM Controller

Datasheet Summary

Description

The UC1856 is a high-performance version of the popular UC1846 series of current-mode controllers, and is intended for both design upgrades and new applications where speed and accuracy are important.

Features

  • 1 Pin-for-Pin Compatible With the UC1846.
  • 65-ns Typical Delay From Shutdown to Outputs, and 50-ns Typical Delay From SYNC to Outputs.
  • Improved Current-Sense Amplifier With Reduced Noise Sensitivity.
  • Differential Current Sense with 3-V Common- Mode Range.
  • Trimmed-Oscillator Discharge Current for Accurate Deadband Control.
  • Accurate 1-V Shutdown Threshold.
  • High-Current Dual Totem-Pole Outputs (1.5-A peak).
  • TTL Compatible Oscill.

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Datasheet preview – UC1856-SP

Datasheet Details

Part number UC1856-SP
Manufacturer Texas Instruments
File Size 588.35 KB
Description Improved Current-Mode PWM Controller
Datasheet download datasheet UC1856-SP Datasheet
Additional preview pages of the UC1856-SP datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community UC1856-SP Improved Current-Mode PWM Controller UC1856-SP SLUSBV6 – APRIL 2014 1 Features •1 Pin-for-Pin Compatible With the UC1846 • 65-ns Typical Delay From Shutdown to Outputs, and 50-ns Typical Delay From SYNC to Outputs • Improved Current-Sense Amplifier With Reduced Noise Sensitivity • Differential Current Sense with 3-V Common- Mode Range • Trimmed-Oscillator Discharge Current for Accurate Deadband Control • Accurate 1-V Shutdown Threshold • High-Current Dual Totem-Pole Outputs (1.
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