UCD8220 Datasheet (Texas Instruments) - Digitally Managed Push-Pull Analog PWM Controllers

UCD8220, Digitally Managed Push-Pull Analog PWM Controllers

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.

UCD8220 Typical Simplified Push-Pull Converter App

UCD8220 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