Datasheet > SVFA0510SGNEME

SVFA0510SGNEME

更新时间： 2022-05-14 22:20:19

品牌	Logo	应用领域
VPT		/
页数	文件大小	规格书
13页	1462K
描述
SPACE QUALIFIED POINT OF LOAD CONVERTERS

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SVFA0510SGNEME 数据手册

SVFA0510SG Series

6.0 TECHNICAL NOTES

Please note that many of these functions are also demonstrated in detail on the VPT website in the

form of technical video labs.

6.1 GENERAL INFORMATION

6.1.1 Topology Description

The SVFA0510SG is a non-isolated, fixed-frequency, radiation-hardened, synchronous buck

converter. It operates from a 5 V input and provides a stepped-down, precisely regulated, programmable output voltage at high

efficiency. The SVFA0510SG is optimized for low voltage point-of-load (POL) applications.

6.1.2 External Components

The SVFA0510SG Series has internal input and output capacitors. To meet the performance specifications in Section 3.2, a minimum

additional 100 µF tantalum input decoupling capacitor is required. The SVFA0510SG is stable with no load capacitance. Additional

output capacitance is allowed up to the maximum listed in Section 3.2.

6.1.3 Source Impedance

The impedance of the 5V input source can interact with the POL converter and can affect performance. High source impedance is often

caused by a long input cable or other components added in series with the input. In some cases, additional input capacitance will be

needed to stabilize the system.

6.1.4 Case Connection

The SVFA0510SG case is connected to GND at a single point inside of the package.

6.2 FUNCTION DESCRIPTIONS

VIN

6.2.1 On/Off Control (Inhibit)

47K

The INH (Inhibit) pin is a control pin referenced to GND. The INH pin must be driven

using an open-collector or open-drain configuration. Pulling the INH pin low disables

INH

the converter output. Leaving INH open enables the output, allowing the converter to

operate normally. The pin must be pulled below 1.5V to disable the output. An

OPTIONAL

CAPACITOR

optional capacitor from INH to GND may be used to delay turn-on. The INH pin should

be left open if not used.

GND

Sales Information

Phone:(425) 353-3010

Fax: (425) 353-4030

SVFA0510SG - 3.0

Page 7

E-mail: vptsales@vptpower.com

Web: www.vptpower.com

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