See datasheet for actual packaging/pinout drawings


Package | PIN:

PWP | 16


S (-40 to 105)

ECO Plan:

Green (RoHS & no Sb/Br)


Digitally Assisted Push Pull PWM Controller

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Texas Instruments UCD8220PWP

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

UCD8220 ia a double-ended PWM controller configured with push-pull drive logic.

Systems using the UCD8220 device close the PWM feedback loop with traditional analog methods, but the UCD8220 controller includes circuitry to interpret a time-domain digital pulse train. The pulse train contains the operating frequency and maximum duty cycle limit which are used to control the power supply operation. This eases implementation of a converter with high level control features without the added complexity or possible PWM resolution limitations of closing the control loop in the discrete time domain.

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