AS3729B datasheet(9/18 Pages) AMSCO

tên linh kiện	AS3729B

Giải thích chi tiết về linh kiện	Support for single or dual phase operation

PDF	18 Pages

Scroll/Zoom	100%

nhà sản xuất	AMSCO [ams AG]

Trang chủ	http://www.ams.com

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9 / 18 page

ams Datasheet

Page 9

[v1-03] 2015-Sep-28

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AS3729B − Application Information

Figure 11:

Typical Application Circuit

AS3729B Typical Application: This figure shows the connection of the DC/DC controller and the AS3729B Power

Stage.

External Components

Figure 12:

Step Down DC/DC Power Stage External Components

External Components: Shows the recommended values of the needed external components of the Step Down

DC/DC Power Stage

Symbol

Parameter

Note

Min

Typ

Max

Unit

External Components per Phase

CFB

Output Capacitor

Ceramic X5R or X7R, high

performance

μF

Ceramic X5R or X7R, cost

optimized

μF

CVSUP

Input Capacitor

Ceramic X5R or X7R

μF

LInductor

5A rated, 1.3MHz operation,

low RON

0.5

μH

Application Information

VSUP

TEMP

CTRL1

CTRL2

LX2

LX1

PVSS

1uH

FB_SDx

Vout (0.6-1.5V@8A)

DVM, 10mV steps

47uF

VSUP

10uF

47uF

AS3729B

DC/DC

0.6 – 1.5V

1.3MHz

FB_SDx

CTRL2_SDx

CTRL1_SDx

TEMP_SDx

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