Overview
Description
The iW628 is a precision voltage reference used to quickly detect voltage drops on the output of an AC/DC power supply and provide instantaneous feedback to the controller in order to improve the dynamic loop response of the overall power supply.
The device consumes a minimum amount of current, allowing the overall power supply to maintain no-load power consumption levels below 20mW. As a complement to Renesas' family of PrimAccurate™ AC/DC controllers, the iW628 helps improve the already high-performing AC/DC controllers while eliminating additional secondary-side components normally required to achieve similar levels of performance.
Features
- Fast Response Time to Voltage Changes
- Less than 100µA of 'Normally-Off' cut-off current during normal operation
- Wide Input Voltage Range of 2.5V to 15V (at DRV pin)
- Built-in Optocoupler LED Driver
- Minimum 2mA Driver Current
Comparison
Applications
- AC/DC Power Adapters
- AC/DC Networking and Embedded Applications
- Precision Voltage Reference
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 554 KB | |
| Product Brief | PDF 417 KB | |
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Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
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