RDK-462: 5V @ 2A, 90 ~ 265VAC in

Summary

This document is an engineering report describing a 2A, 5.0V USB charger utilizing a device from the LinkSwitch-4 family of ICs. This design is intended to show the high power density and efficiency that is possible due to the high level of integration while still providing exceptional performance.

This document contains the power supply specification, schematic, bill of materials, transformer documentation, printed circuit layout, and performance data.

Specifications

Manufacturer	Power Integrations
Category	AC/DC and DC/DC Conversion
Sub-Category	AC/DC SMPS - Single Output
Eval Board Part Number	596-1506-ND
Eval Board Supplier	Power Integrations
Eval Board	Normally In Stock
AC Voltage	115 V 230 V Universal (115 / 230V)
Outputs and Type	1 Isolated
Voltage Out	5 V
Current Out	2 A
Output Power	10 W
Features	Current Limit (Adj. or Fixed) Over Voltage Protection PFM or PWM Short Circuit Protection Thermal Protection
Efficiency @ Conditions	>80%, 230 VAC, 5V @ 0.5 ~ 1.6 A >80%, 115 VAC, 5V @ 12 ~ 75% load
No-load Input Power @ Voltage	30 mW @ 230 V
Switching Frequency	Up to 65 kHz
Internal Switch	Yes
Component Count + Extras	34 + 4
Voltage In	90 ~ 265 VAC
Design Author	Power Integrations
Application / Target Market	Battery Chargers Cell Phones
Main I.C. Base Part	LNK4023
Date Created By Author	2015-07
Date Added To Library	2016-07