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UCD8220 - Digitally Managed Push-Pull Analog PWM Controllers

Datasheet Summary

Description

The UCD8220 analog pulse-width modulator (PWM) device is used in digitally managed power supplies using a microcontroller or the TMS320 DSP family.

The UCD8220 device is a double-ended PWM controller configured with push-pull drive logic.

Figure 1.

Features

  • 1 For digitally managed power supplies using μCs or the TMS320 ™ DSP family.
  • Voltage or peak current mode control with cycleby-cycle current limiting.
  • Clock input from digital controller to set operating frequency and max duty cycle.
  • Analog PWM comparator.
  • 2-MHz switching frequency.
  • 110-V input startup circuit and thermal shutdown (UCD8620).
  • Internal programmable slope compensation.
  • 3.3-V, 10-mA linear regulator.
  • DS.

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Datasheet Details

Part number UCD8220
Manufacturer Texas Instruments
File Size 1.06 MB
Description Digitally Managed Push-Pull Analog PWM Controllers
Datasheet download datasheet UCD8220 Datasheet
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Product Folder Order Now Technical Documents Tools & Software Support & Community UCD8220 SLUS652E – MARCH 2005 – REVISED APRIL 2020 UCD8220 Digitally Managed Push-Pull Analog PWM Controllers 1 Features •1 For digitally managed power supplies using μCs or the TMS320 ™ DSP family • Voltage or peak current mode control with cycleby-cycle current limiting • Clock input from digital controller to set operating frequency and max duty cycle • Analog PWM comparator • 2-MHz switching frequency • 110-V input startup circuit and thermal shutdown (UCD8620) • Internal programmable slope compensation • 3.3-V, 10-mA linear regulator • DSP/μC compatible inputs • Dual ±4-A TrueDrive™ integrated circuit high current drivers • 10-ns typical rise and fall times with 2.
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