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iW1707 - Low-Power Off-Line Digital Green-Mode PWM Controller

Description

The iW1707 is a high performance AC/DC power supply controller which uses digital control technology to build peak current mode PWM flyback power supplies.

Features

  • while minimizing the external component count, simplifying EMI design and lowering the total bill of material cost. The iW1707 features a distinctive soft-start scheme, which allows for fast and yet smooth start-up with both small and large capacitive loads. The iW1707 removes the need for secondary feedback circuitry while achieving excellent line and load regulation. It also eliminates the need for loop compensation components while maintaining stability over all operating conditions. Pulse-by.

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Datasheet preview – iW1707

Datasheet Details

Part number iW1707
Manufacturer Dialog Semiconductor
File Size 479.46 KB
Description Low-Power Off-Line Digital Green-Mode PWM Controller
Datasheet download datasheet iW1707 Datasheet
Additional preview pages of the iW1707 datasheet.

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Full PDF Text Transcription

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iW1707 Low-Power Off-Line Digital Green-Mode PWM Controller 1 Description The iW1707 is a high performance AC/DC power supply controller which uses digital control technology to build peak current mode PWM flyback power supplies. The device directly drives a power BJT and operates in quasiresonant mode to provide high efficiency along with a number of key built-in protection features while minimizing the external component count, simplifying EMI design and lowering the total bill of material cost. The iW1707 features a distinctive soft-start scheme, which allows for fast and yet smooth start-up with both small and large capacitive loads. The iW1707 removes the need for secondary feedback circuitry while achieving excellent line and load regulation.
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