Datasheet > SS6580CNTB

SS6580CNTB

更新时间： 2024-11-22 06:37:27

品牌	Logo	应用领域
SSC		/
页数	文件大小	规格书
8页	405K
描述
Switching Regulator/Controller

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中文翻译

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技术参数
数据手册

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SS6580CNTB 技术参数

是否Rohs认证：	不符合	生命周期：	Contact Manufacturer
包装说明：	,	Reach Compliance Code：	unknown
风险等级：	5.85	湿度敏感等级：	1
Base Number Matches：	1

SS6580CNTB 数据手册

SS6580/L

Step-Down DC/DC Controller with Shutdown

n FEATURES

n DESCRIPTION

l Operating Voltage up to 15V.

The SS6580 is a high-power, high-efficiency

l Simple Voltage-Mode PWM Control.

l Fast Transient Response.

voltage-mode switching regulator controller for

motherboard V_I/Opower supply applications.

Designed to drive an N-channel MOSFET in a

standard buck topology, the SS6580 features

l 2V and 1.3V ± 2% Feedback Voltage Reference

Options.

l Adjustable Current Limit without External Sense

high voltage CMOS output driver with

Resistors.

l 200 KHz Switching Oscillator.

short-circuit protection in an 8-pin package.

l Short-Circuit Protection with Low Short-Circuit

An external 4-bit Digital-to-Analog Converter (DAC)

can be used along with the SS6580 to adjust

the output voltage from 2.0V to 3.5V in 0.1V

increments. Table 1 on the following page

specifies the corresponding output voltage for 16

combinations of DAC inputs as shown in the

typical application circuit.

Output Current.

l Low Shutdown Current

l Built-in Soft Start.

n APPLICATIONS

l Power Supply for Motherboard V_GTL(1.5V Output)

l Power Supply for Motherboard V_I/O.

l High-Power 5V to 3.xV DC/DC Regulators.

l Low-Voltage Distributed Power Supplies.

The 200 KHz switching frequency allows the use

of small external components while maintaining

high conversion efficiency. The 11MHz bandwidth

and the 6V/mS slew rate of the error amplifier

ensure high converter bandwidth and fast transient

response.

The SS6580 provides both adjustable

over-current and adjustable short-circuit protection

by sensing the output current across the on-

resistance of the external N-channel MOSFET,

rather than an external low value sense resistor.

The SS6580L provides a lower reference

voltage (1.30V) than the default SS6580

(2.00V) for lower V_OUTrequirements.

Rev.2.01 6/26/2003

www.SiliconStandard.com

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