Datasheet > MAX8555EUB+

MAX8555EUB+

更新时间： 2024-11-26 19:47:51

品牌	Logo	应用领域
美信 - MAXIM		信息通信管理光电二极管
页数	文件大小	规格书
17页	426K
描述
Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, PDSO10, MO-187C-BA, UMAX-10

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技术参数
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MAX8555EUB+ 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	TSSOP
包装说明：	TSSOP, TSSOP10,.19,20	针数：	10
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.31.00.01	Factory Lead Time：	1 week
风险等级：	5.66	可调阈值：	YES
模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT	JESD-30 代码：	S-PDSO-G10
JESD-609代码：	e3	长度：	3 mm
湿度敏感等级：	1	信道数量：	1
功能数量：	1	端子数量：	10
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	TSSOP
封装等效代码：	TSSOP10,.19,20	封装形状：	SQUARE
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	峰值回流温度（摄氏度）：	260
电源：	12 V	认证状态：	Not Qualified
座面最大高度：	1.1 mm	子类别：	Power Management Circuits
最大供电电流 (Isup)：	3.3 mA	最大供电电压 (Vsup)：	13.25 V
最小供电电压 (Vsup)：	8 V	标称供电电压 (Vsup)：	12 V
表面贴装：	YES	技术：	BICMOS
温度等级：	INDUSTRIAL	端子面层：	Matte Tin (Sn)
端子形式：	GULL WING	端子节距：	0.5 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	3 mm	Base Number Matches：	1

MAX8555EUB+ 数据手册

13-3087; Rev 0; 1/04

Low-Cost, High-Reliability, 0.5V to 3.3V ORing

MOSFET Controllers

General Description

Features

Critical loads often employ parallel-connected power

supplies with redundancy to enhance system reliability.

The MAX8555/MAX8555A are highly integrated, inex-

pensive MOSFET controllers that provide isolation and

redundant power capability in high-reliability systems.

The MAX8555/MAX8555A are used in 0.5V to 3.3V sys-

tems, and have an internal charge pump to drive the

♦ Simple, Integrated, and Inexpensive MOSFET

Controllers

♦ ORing FET Drive for 0.5V to 3.3V

♦ Eliminate ORing Diode Power Dissipation

♦ Provide N+1 Redundant Supply Capability for

gates of the N-channel pass elements to (V

+ 5V).

Highly Reliable Systems

CS+

During startup, the MAX8555/MAX8555A monitor the

voltage drop across the external MOSFETs. Once V

♦ Isolate Failed Short-Circuit Supply from

CS+

), the

Output BUS

approaches or exceeds the bus voltage (V

CS-

♦ Respond to Reverse Short-Circuit Current

MOSFETs are turned on. The MAX8555/MAX8555A fea-

ture a dual-purpose TIMER input. A single external

resistor from TIMER to ground sets the turn-on speed of

the external MOSFETs. Optionally, the TIMER input can

be used as a logic enable input. Once the external

MOSFET is turned on, these controllers monitor the

load, protecting the bus against overvoltage, undervolt-

age, and reverse-current fault conditions. The

MAX8555 is available with a 40mV reverse-current

threshold, while the MAX8555A is available with a 20mV

reverse-current threshold.

in 200ns

♦ Adjustable Blank Time

♦ Programmable Soft-Start

♦ Logic Enable Input

♦ Adjustable Overvoltage and Undervoltage

Trip Points

♦ Fault-Indicator Output

♦ Space-Saving Packages

Overvoltage and undervoltage fault thresholds are

adjustable and can be disabled. The current-limit trip

Ordering Information

points are set by the external MOSFETs’ R

DS(ON)

reducing component count. An open-drain, logic-low

fault output indicates if an overvoltage, undervoltage, or

reverse-current fault occurs. The MAX8555 and the

MAX8555A can shut down in response to a reverse-

current fault condition as quickly as 200ns.

TEMP

RANGE

PIN-

PACKAGE

TOP

MARK

PART

10 TDFN

3mm x 3mm*

MAX8555ETB

MAX8555EUB

MAX8555AETB

-40°C to 85°C

ACC

8555EUB

ADD

Both devices come in space-saving 10-pin µMAX or

TDFN packages and are specified over the extended

-40°C to +85°C temperature range.

-40°C to 85°C 10 µMAX

10 TDFN

3mm x 3mm*

-40°C to 85°C

MAX8555AEUB

-40°C to 85°C 10 µMAX

8555AEUB

Applications

*Exposed paddle

Point-of-Load Supplies

Power-Supply Modules

Servers

Pin Configurations

TOP VIEW

Telecom Power Supplies

Rectifiers

GATE

GND

10 CS+

GATE

GND

10 CS+

Redundant Power Supplies in High-Availability

Systems

CS-

MAX8555/

MAX8555A

MAX8555/

MAX8555A

OVP

FAULT

TIMER

FAULT

TIMER

UVP

Typical Operating Circuit appears at end of data sheet.

µMAX

TDFN

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...17

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与MAX8555EUB+相关器件

型号	品牌	获取价格	描述	数据表
MAX8556	MAXIM	获取价格	4A Ultra-Low-Input-Voltage LDO Regulators
MAX8556	ADI	获取价格	4A、超低输入电压LDO稳压器
MAX8556_09	MAXIM	获取价格	4A Ultra-Low-Input-Voltage LDO Regulators
MAX8556ETE	MAXIM	获取价格	PLASTIC ENCAPSULATED DEVICES
MAX8556ETE/GG8	MAXIM	获取价格	Adjustable Positive LDO Regulator, 0.5V Min, 3.4V Max, 0.2V Dropout, BICMOS, 5 X 5 MM, TQF
MAX8556ETE/GH9	MAXIM	获取价格	Adjustable Positive LDO Regulator, 0.5V Min, 3.4V Max, 0.2V Dropout, BICMOS, 5 X 5 MM, TQF
MAX8556ETE/GH9-T	MAXIM	获取价格	Adjustable Positive LDO Regulator, 0.5V Min, 3.4V Max, 0.2V Dropout, BICMOS, 5 X 5 MM, TQF
MAX8556ETE/V+	MAXIM	获取价格	4A Ultra-Low-Input-Voltage LDO Regulators
MAX8556ETE/V+T	MAXIM	获取价格	Adjustable Positive LDO Regulator, 0.5V Min, 3.4V Max, 0.2V Dropout, BICMOS, 5 X 5 MM, ROH
MAX8556ETE+	MAXIM	获取价格	4A Ultra-Low-Input-Voltage LDO Regulators

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