Datasheet > SI3401-E1-GM

SI3401-E1-GM

更新时间： 2024-02-09 14:34:02

品牌	Logo	应用领域
芯科 - SILICON		接口集成电路
页数	文件大小	规格书
20页	357K
描述
Interface Circuit, 5 X 5 MM, ROHS COMPLIANT, MO-220VHHB-1, QFN-20

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SI3401-E1-GM 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	QFN	包装说明：	5 X 5 MM, ROHS COMPLIANT, MO-220VHHB-1, QFN-20
针数：	20	Reach Compliance Code：	unknown
HTS代码：	8542.39.00.01	风险等级：	5.83
接口集成电路类型：	INTERFACE CIRCUIT	JESD-30 代码：	S-XQCC-N20
长度：	5 mm	功能数量：	1
端子数量：	20	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	UNSPECIFIED
封装代码：	HVQCCN	封装形状：	SQUARE
封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	座面最大高度：	0.9 mm
最大供电电压：	5.5 V	最小供电电压：	4.5 V
标称供电电压：	5 V	表面贴装：	YES
温度等级：	INDUSTRIAL	端子形式：	NO LEAD
端子节距：	0.8 mm	端子位置：	QUAD
宽度：	5 mm	Base Number Matches：	1

SI3401-E1-GM 数据手册

Si3400

Si3401

FULLY-INTEGRATED 802.3-COMPLIANT PD INTERFACE

AND SWITCHING REGULATOR

Features

ꢀ

IEEE 802.3 standard-compliant ꢀ Support non-isolated and

solution, including pre-standard

(legacy) PoE support

isolated switching topologies

Comprehensive protection

circuitry

ꢁ Transient overvoltage

protection

ꢁ Undervoltage lockout

ꢁ Early power-loss indicator

ꢁ Thermal shutdown protection

ꢁ Foldback current limiting

Programmable classification

circuit

ꢀ

Highly-integrated IC enables

compact solution footprints

ꢁ Minimal external components

ꢁ Integrated diode bridges and

transient surge suppressor

ꢁ Integrated switching regulator

controller with on-chip power

FET

Ordering Information:

See Ordering Guide on page

page 17.

ꢀ

ꢁ Integrated dual current-limited

hotswap switch

ꢀ

Low-profile 5 x 5 mm 20-pin QFN

Pb-Free and RoHS-compliant

Pin Assignments

5 x 5 mm QFN

(Top View)

Applications

ꢀ

Voice over IP telephones and ꢀ Point-of-sale terminals

adapters

Wireless access points

Security cameras

ꢀ

Internet appliances

Network devices

High power applications (Si3401)

ꢀ

EROUT

SSFT

CT1

VNEG

(PAD)

CT2

Description

VDD

VPOSF

SP1

ISOSSFT²

The Si3400 and Si3401 integrate all power management and control

functions required in a Power-over-Ethernet (PoE) powered device (PD)

application. The Si3400 and Si3401 convert the high voltage supplied over

the 10/100/1000BASE-T Ethernet connection into a regulated, low-voltage

output supply. The optimized architectures of the Si3400 and Si3401

minimize the solution footprint, reduce external BOM cost, and enable the

use of low-cost external components while maintaining high performance.

The Si3400 and Si3401 integrate the required diode bridges and transient

surge suppressors, thus enabling direct connection of ICs to the Ethernet

RJ-45 connector. The switching power FET and all associated functions are

also integrated. The integrated switching regulator supports isolated

(flyback) and non-isolated (buck) converter topologies. The Si3400 and

Si3401 support IEEE STD™ 802.3-2005 (future instances are referred to as

802.3) compliant solutions as well as pre-standard products, all in a single

IC. Standard external resistors connected to the Si3400 and Si3401 provide

the proper 802.3 signatures for the detection function and programming of

the classification mode. Startup circuits ensure well-controlled initial

operation of both the hotswap switch and the voltage regulator. The Si3400

and Si3401 are available in low-profile, 20-pin, 5 x 5 mm QFN packages.

While the Si3400 is designed for applications up to 10 W, the Si3401 is

optimized for higher power applications (up to approximately 15 W). See

also “AN313: Using the Si3400/01 in High Power Applications” for more

information.

Notes:

1. Pin VSSA added on revisions CZ

and higher.

2. Pin ISOSSFT added on revisions

CZ and higher. Function available

on revision E silicon. For Rev CZ,

or to disable this feature on

Revision E, tie this pin to VDD.

Rev. 0.9 8/07

Si3400/Si3401

This information applies to a product under development. Its characteristics and specifications are subject to change without notice.

12 3 4 5 6 7...20

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与SI3401-E1-GM相关器件

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SI3401-X-GMR	SILICON	Interface Circuit, 5 X 5 MM, ROHS COMPLIANT, MO-220VHHB-1, QFN-20	获取价格
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