Infineon Technologies ICE5QR4770AZ

Overview

Topology	Flyback Converter
Input voltage	85-300 V
Output 1	12 V / 1.25 A
Output 2	5 V / 0.2 A
IC revision	1.0

Description

16W 12V 5V SMPS Demo Board withICE5QR4770AZAN-DEMO_5QR4770AZ_16W1Revision 1.0This application note is an engineering report of 16 W 12 V and 5 V demo board designed in a quasiresonantflyback converter topology using the 5th generation Quasi-Resonant CoolSET™,ICE5QR4770AZ.

Features

Novel quasi-resonant switching scheme
Rapid and adjustable start-up with cascode configuration
2 level selectable active burst mode level
Built-in digital soft-start
Cycle by cycle peak current limitation
Digital frequency reduction with decreasing load for higher efficiency
Adjustable line input over-voltage and brown IN/OUT protection
VCC and CS pin short to ground protection
OLP, output short, output over-voltage, OTP with hysteresis and VCC over/under voltage protection
Auto-restart for all protection features

Typical applications

Offline aux SMPS for server, PC power, aircon, refrigerator and audio/ Offline main SMPS for adapter, set-top-box, water purifier, TV, industrial SMPS and POE

More information

Products

Order Code	Datasheet	Downloads	Status	Product series
7447462022	–	–	Active i\| Production is active. Expected lifetime: >10 years.	WE-TI Radial Leaded Wire Wound Inductor
7447462047	SPEC PCN pending Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. SPEC Datasheet PCN PCN document	–	Active i\| Production is active. Expected lifetime: >10 years.	WE-TI Radial Leaded Wire Wound Inductor
691102710002	–	–	Active i\| Production is active. Expected lifetime: >10 years.	WR-TBL Series 102 - 5.00 mm Horizontal Entry Modular
691412120002B	–	–	Active i\| Production is active. Expected lifetime: >10 years.	WR-TBL Series 412B - 3.50 mm Screwless 45° Entry - 2.1 mm 2 Wires
750343074	–	–	Active i\| Production is active. Expected lifetime: >10 years.	–

	Order Code	Datasheet
	7447462022	–
	7447462047	SPEC PCN pending Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. SPEC Datasheet PCN PCN document
	691102710002	–
	691412120002B	–
	750343074	–

Samples

	Order Code	Datasheet	Downloads	Status	Product series	Samples

IC manufacturers (98)

16W 12V 5V SMPS Demo Board with ICE5QR4770AZ