L6788A datasheet(1/18 Pages) STMICROELECTRONICS

tên linh kiện	L6788A

Giải thích chi tiết về linh kiện	High current internal drivers

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July 2009

Doc ID 15341 Rev 2

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L6788A

3-phase controller with embedded drivers

for the next GPU generation

Features

■ 1, 2 or 3 selectable phase operation

■ Phases self detection

■ High current internal drivers

■ Versatile solution: serial and parallel VID for

output voltage setting

■ Serial BUS interface for power manager and

monitoring

■ Automatic startup phase procedure

■ Advanced IC and VRM thermal management

to assure robust design and safe operation

■ 5 V LDO regulator output to increases design

flexibility.

■ Adjustable and precise output voltage

■ Full differential current sense across inductor

■ Differential remote voltage sensing

■ LSLess startup to manage pre-biased output

■ Programmable overcurrent protection

■ Adjustable switching frequency

■ Enable signal

■ VPQFN40 6x6 mm package with exposed pad

Applications

■ Graphic card GPU supply

■ High current DC-DC converters

Description

The device implements a one-to-three phases

step-down controller with three integrated high

current drivers in a compact 6x6 mm body

package with exposed pad.

Output voltage can be selected trough serial and

parallel VID up to 1.3500 V and managing D-VID

with ±2% output voltage accuracy.

The device manages serial BUS communication

to program power management functionalities as

well as monitoring.

The device features automatic startup phase

procedure and phases self detection for safe

operation.

The controller embeds 5 V LDO regulator

increasing design flexibility.

Advanced IC and VRM thermal management to

assure robust design and safe operation.

The controller assures fast protection against load

overcurrent and under / overvoltage.

L6788A is available in VPQFN 6 x 6 mm package.

Table 1.

Device summary

Order code

Package

Packing

L6788A

VPQFN40

Tray

L6788ATR

VPQFN40

Tape and reel

VPQFN40 - 6 x 6 mm

www.st.com

Số phần tương tự - L6788A

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	L6701	554Kb / 44P	3 Phase Controller for VR10, VR9 and K8 CPUs 13-Dec-2005
	L6701TR	554Kb / 44P	3 Phase Controller for VR10, VR9 and K8 CPUs 13-Dec-2005
	L6706	623Kb / 47P	High output voltage accuracy 20-Jan-2010
	L6706TR	623Kb / 47P	High output voltage accuracy 20-Jan-2010
	L6710	1Mb / 34P	6 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER WITH DYNAMIC VID MANAGEMENT Mar-2004

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Mô tả tương tự - L6788A

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