SC410

更新时间： 2024-09-23 05:34:47

品牌	Logo	应用领域
商升特 - SEMTECH		稳压器
页数	文件大小	规格书
26页	608K
描述
5.5V到24V输入电压，输出电流为3A的集成降压稳压器

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中文翻译

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SC410 数据手册

SC410

3A EcoSpeed ^TMStep-Down Regulator

with LDO and Ultrasonic Power Save

POWER MANAGEMENT

Features

Description

Input voltage — 5.5V to 24V

Output voltage — 0.75V to 7.5V

Output current — Up to 3A

Internal reference — + 1%

Small ceramic capacitors

Power good pin (open-drain)

Patented adaptive on-time control:

The SC410 is an integrated, synchronous 3A EcoSpeed^TM

step-down regulator. It incorporates Semtech’s advanced,

patented adaptive on-time architecture to achieve best-

in-class dynamic performance using point-of-load appli-

cations. The input voltage range is 5.5V to 24V with a

programmable output voltage from 0.75V up to 7.5V. The

device features an internal LDO and ultrasonic PSAVE

mode for high eﬃciency across the output load range.

•

Excellent transient response

Programmable pseudo-fixed frequency during

CCM

•

Adaptive on-time control provides programmable

pseudo-ﬁxed frequency operation in continuous conduc-

tion and excellent transient performance. The switching

frequency can be set from 200kHz to 1MHz, allowing the

designer to reduce external LC ﬁltering and minimize light

load (standby) losses.

Fault protection features:

•

Cycle-by-cycle current limit

Short circuit protection

Over and under output voltage protection

Over-temperature

Internal soft-start

Additional features include cycle-by-cycle current limit,

soft start, input UVLO and output OV protection, and over

temperature protection. The open-drain PGOOD pin pro-

vides output status. Standby current is less than 10μA

when disabled.

Ultrasonic power save and smart PSAVE

Internal LDO for bias voltage

Ultra-small lead-free 3 x 3mm, 10-Pin MLPD package

WEEE and RoHS compliant

Applications

The device is available in a low proﬁle, thermally enhanced

MLPD 3 x 3mm 10-pin package.

Networking Equipment, Embedded Systems

Medical Equipment, Oﬃce Automation

Instrumentation, Portable Systems

Consumer Devices such as DTV and Set-top Boxes

POL Converters

Typical Application Circuit

SC410

Enable

V_IN

PGOOD

C_BST

VIN

BST

V_OUT

TON

LDO

C_OUT

C_IN

R_TON

R_TOP

C_LDO2

C_LDO1

AGND

PGND

R_BOT

October 26, 2010

12 3 4 5 6 7...26

中文翻译

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与SC410相关器件

型号	品牌	获取价格	描述	数据表
SC410A	SEMTECH	获取价格	2A EcoSpeed Step-Down Regulator with LDO and Power Save
SC410AEVB	SEMTECH	获取价格	2A EcoSpeed Step-Down Regulator with LDO and Power Save
SC410AMLTRT	SEMTECH	获取价格	2A EcoSpeed Step-Down Regulator with LDO and Power Save
SC410EVB	SEMTECH	获取价格	3A EcoSpeed TM Step-Down Regulator with LDO and Ultrasonic Power Save
SC410MLTRT	SEMTECH	获取价格	3A EcoSpeed TM Step-Down Regulator with LDO and Ultrasonic Power Save
SC411	SEMTECH	获取价格	Synchronous Buck Pseudo-Fixed Frequency Power Supply Controller
SC411EVB	SEMTECH	获取价格	Synchronous Buck Pseudo-Fixed Frequency Power Supply Controller
SC411MLTRT	SEMTECH	获取价格	Synchronous Buck Pseudo-Fixed Frequency Power Supply Controller
SC4120A	LITTELFUSE	获取价格	工作原理 Sequential 3 or 4 circuit flashing of in
SC412A	SEMTECH	获取价格	Synchronous Buck Controller

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