Datasheet > SKY87608-11-577LF

SKY87608-11-577LF

更新时间： 2024-11-25 21:12:03

品牌	Logo	应用领域
思佳讯 - SKYWORKS		/
页数	文件大小	规格书
18页	1703K
描述
Switching Regulator

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SKY87608-11-577LF 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	,	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.82	Base Number Matches：	1

SKY87608-11-577LF 数据手册

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PRELIMINARY DATA SHEET

SKY87608: 28 V, 3 A Non-Synchronous Step-Down Converter

Applications

Description

The SKY87608 is a step-down DC-DC converter that operates

with a wide 4.5 V to 28 V input voltage range and regulates the

output voltage as low as 0.9 V while supplying up to 3 A to the

output. The 450 kHz switching frequency allows for an efficient

step-down regulator design.

• Set-top boxes

• Distributed power systems

• Industrial applications

The SKY87608 uses an adjustable output voltage that can be set

from 12% to 80% of the input voltage by an external resistive

voltage divider. Internal soft-start prevents excessive inrush

current without requiring an external capacitor.

Features

• 4.5 V to 28 V input voltage

• Up to 97% efficiency

• Internal 180 mΩ high-side N-channel MOSFET

• Internal 12 Ω refresh MOSFET

• Up to 3 A load current

The SKY87608 includes input under-voltage and overcurrent

protection to prevent damage in the event of a fault condition.

Thermal overload protection prevents damage to the SKY87608 or

circuit board when operating beyond its thermal capability.

• Adjustable output voltage (0.9 V to 0.8 × VIN)

• Fixed 450 kHz switching frequency

• 4 ms soft-start period

The SKY87608 is available in a small Pb-free, 8-pin,

SOP-8L-EP package.

A typical application circuit is shown in Figure 1. The pin

configuration is shown in Figure 2. Signal pin assignments and

functional pin descriptions are provided in Table 1.

• External compensation

• Less than 1 µA shutdown current

• Current limit protection

• Standard 8-pin SOP-8L package (MSL1, 260 °C per JEDEC-J-

STD-020) with exposed pad

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

201860B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • May 17, 2013

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