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PT2201 - Current Mode PWM Controller

Description

PT2201 is a highly integrated current mode PWM controller, with the

Features

  • of extreme low start up current, low operating current plus green mode operation and built-in protection functions allows the design of SMPS become easier to meet the high performance, high reliability and low standby power requirements. The start-up current is very small typically 3uA so that a large start up resistor can be used in the start-up circuit to minimize standby power. Under the light load or no load conditions the PT2201 automatically decreases PWM frequency and enters burst mode op.

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Datasheet Details

Part number PT2201
Manufacturer PowTech
File Size 424.17 KB
Description Current Mode PWM Controller
Datasheet download datasheet PT2201 Datasheet
Additional preview pages of the PT2201 datasheet.

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Full PDF Text Transcription

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PT2201 Current Mode PWM Controller GENERAL DESCRIPTION PT2201 is a highly integrated current mode PWM controller, with the features of extreme low start up current, low operating current plus green mode operation and built-in protection functions allows the design of SMPS become easier to meet the high performance, high reliability and low standby power requirements. The start-up current is very small typically 3uA so that a large start up resistor can be used in the start-up circuit to minimize standby power. Under the light load or no load conditions the PT2201 automatically decreases PWM frequency and enters burst mode operation thus the power loss on power MOSFET is reduced. With a programmable oscillator the PWM frequency is easily set via an external resistor.
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