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SP6134EU-L/TR

更新时间： 2024-11-25 06:13:07

品牌	Logo	应用领域
艾科嘉 - EXAR		开关光电二极管控制器
页数	文件大小	规格书
15页	751K
描述
600kHz Synchronous PWM Step Down Controller

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SP6134EU-L/TR 数据手册

SP6134

600kHz Synchronous PWM Step Down Controller

January 2009

Rev. 2.0.0

GENERAL DESCRIPTION

APPLICATIONS

The SP6134 is a 600kHz constant frequency,

voltage mode, synchronous PWM step down

controller optimized for high efficiency.

• 12V DPA

• Communications Systems

• Graphics Cards

The SP6134 is adequately suited for split plane

applications utilizing a low power 5V rail to

power the controller circuitry, minimizing

power dissipation. Its wide input voltage range

of 3V to 15V allows for conversions from the

standard 3.3V, 5V, 9.6V and 12V power rails

to an output voltage adjustable down to 0.8V.

Developed around a wide bandwidth internal

amplifier, the SP6134 can accommodate type

II and type III compensation schemes.

FEATURES

• 3V to 15V Step Down Achieved Using

Dual Input

• On-Board 1.5Ω sink (2Ω source) NFET

Drivers

• Up to 15A Output Capability

• UVLO Detects Both VCC and VIN

Protection features include a programmable

UVLO, thermal shutdown and output short

circuit protection.

• Short-Circuit Protection with Auto-

Restart

The SP6134 is part of a larger family of step

• Supports Type II or III Compensation

• Programmable Soft Start

down

controllers

operating

various

switching frequencies up to 1300kHz and input

voltages up to 28V. Refer to Exar’s SP6134H,

SP6132, SP6132H, SP6137 and SP6139 for

complete details.

• Fast Transient Response

• High Efficiency: Greater than 94%

• Non-synchronous Start-Up

• Small 10-Pin MSOP Package

• U.S. Patent #6,922,041

The SP6134 is available in lead free, RoHS

compliant,

space

saving

10-pin

MSOP

package.

TYPICAL APPLICATION DIAGRAM

Fig. 1: SP6134 Application Diagram

Exar Corporation

48720 Kato Road, Fremont CA 94538, USA

www.exar.com

Tel. +1 510 668-7000 – Fax. +1 510 668-7001

12 3 4 5 6 7...15

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