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IW1830-EVAL: 15W, 5V @ 1A, 12V @ 500mA, 90 ~ 264V AC

Summary

The iW1830-EVAL evaluation board implements a dual-output, 15W power supply based on Dialog Semiconductor’s iW1830 AccuSwitch™ digital offline power supply controller IC. The evaluation board supplies two outputs, 12V/1A and 5V/0.5A, using a single primary-side controlled quasi-resonant flyback converter. The design implements two output voltages using one primary-side controller and achieves the tight regulation required by high-reliability applications such as white goods, home appliances and industrial control.

The iW1830 controller integrates a 700V power MOSFET to lower the power supply BOM cost and uses Dialog’s advanced PrimAccurate™ digital control technology to eliminate the need for external secondary-side feedback components, further reducing component count and cost, while improving reliability.

It operates in quasi-resonant mode to improve efficiency and help meet EMI standards. This quasi-resonant operation and Dialog’s EZ-EMI® technology enable excellent EMI performance with minimal external filtering. Proprietary control technology allows high efficiency across a broad range of loads, which enables the iW1830 to meet stringent international standards for power supply efficiency.

Specifications

Manufacturer Dialog Semiconductor GmbH
Category AC/DC and DC/DC Conversion
Sub-Category AC/DC SMPS - Multi Output
Eval Board Part Number 1564-1032-ND
Eval Board Supplier Dialog Semiconductor GmbH
Eval Board -
AC Voltage 115 V
230 V
Universal (115 / 230V)
Outputs and Type 2 Isolated
Voltage Out: Highest Current First 5V, 12V
Current Out 1A, 500mA
Output Power 15 W
Efficiency @ Conditions >84%, 115V in, Average of 25%,50, 75%, & 100% Load
No-load Input Power @ Voltage <100 mW @ 230 VAC
Features Current Limit (Adj. or Fixed)
Over Current Protection
Over Voltage Protection
PFM or PWM
Short Circuit Protection
Soft Start
Thermal Protection
Switching Frequency 72 kHz
Internal Switch Yes
Component Count + Extras 46 + 8
Voltage In 90 ~ 264 VAC
Application / Target Market Industrial Power
Networking
White Goods
Design Author Dialog Semiconductor
Main I.C. Base Part iW1830-00
Date Created By Author 2016-05
Date Added To Library 2019-10

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