AN557 datasheet(1/52 Pages) STMICROELECTRONICS

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AN557 数据表(PDF) 1 Page - STMicroelectronics

部件名	AN557

功能描述	EASY APPLICATION DESIGN WITH THE L4970A

PDF	52 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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1 / 52 page

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AN557

APPLICATION NOTE

November 2003

THE TECHNOLOGY

The technology architecture is based on the vertical DMOS silicon gate process that allows a channel

length of 1.5 micron ; using a junction isolation technique it has been possible to mix on the same chip

Bipolar and CMOS transistors along with the DMOS power components (Fig. 2). Figure 1 shows how this

process brings a rapid increase in power IC complexity compared to conventional bipolar technology. In

the 70’s class B circuits and DC circuits allowed output power in the range of 70W. By 1980, with the in-

troduction of switching techniques in power ICs, output powers up to 200W were reached ; with BCD tech-

nology the output power increased up to 400W.

EASY APPLICATION DESIGN WITH THE L4970A,

MONOLITHIC DC-DC CONVERTERS FAMILY

The L497XA series of high current switching regulator ICs exploit Multipower-BCD technology to

achieve very high output currents with low power dissipation – up to 10A in the Multiwatt power package

and 3.5A in a DIP package .

制造商	部件名	数据表	功能描述
List of Unclassifed Man...	AN5512	147Kb / 3P	TV Vertical Deflection Output Circuit
List of Unclassifed Man...	AN5512	2Mb / 31P	SEMICONDUCTORS
Panasonic Semiconductor	AN5515	78Kb / 3P	TV Vertical Deflection Output Circuit
List of Unclassifed Man...	AN5515	2Mb / 31P	SEMICONDUCTORS
Panasonic Semiconductor	AN5520	170Kb / 3P	TV VERTICAL DEFLECTION OUTPUT CIRCUIT

制造商	部件名	数据表	功能描述
Extech Instruments Corp...	TR100	102Kb / 1P	Compact design for easy portability with durable
STMicroelectronics	AN4240	1Mb / 30P	This application note provides an easy introduction to the usage 17-Sep-2013
	AN2495	812Kb / 36P	The purpose of this application note is to explain the design 19-Apr-2011
	UM1755	1Mb / 123P	The purpose of this document is to describe the design of the application 17-Nov-2014
	UM1865	1Mb / 132P	The purpose of this document is to describe the design of the application 04-Mar-2015
List of Unclassifed Man...	ANT-315-HESM	86Kb / 1P	Compact design for easy concealment
Analog Intergrations Co...	AN026	296Kb / 7P	The Charger Design with SEPIC Converter
Lumileds Lighting Compa...	DS61	2Mb / 28P	High value and easy design-in
Lumileds Lighting Compa...	PB061	1Mb / 2P	High value and easy design-in
Cirrus Logic	CRD5463PM	719Kb / 20P	Easy Plug-and-play Design

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