Datasheet > MAX4915B

MAX4915B

更新时间： 2024-09-14 14:57:31

品牌	Logo	应用领域
亚德诺 - ADI		开关
页数	文件大小	规格书
12页	1617K
描述
100mA/200mA/300mA限流开关，具有较低的关断反向电流

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中文翻译

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MAX4915B 数据手册

MAX4914B/MAX4915A/B/

MAX4917A/B

100mA/200mA/300mA Current-Limit Switches

with Low Shutdown Reverse Current

General Description

Beneﬁts and Features

The MAX4914B/MAX4915A/B/MAX4917A/B family of

switches feature internal current limiting to prevent

damage to host devices due to faulty load conditions.

These analog switches have a low 0.2Ω on-resistance

and operate from a 2.3V to 5.5V input voltage range.

They are available with guaranteed 100mA, 200mA, and

300mA current limits, making them ideal for SDIO and

other load switching applications.

● Guaranteed Current Limit: 100mA, 200mA, 300mA

● Thermal-Shutdown Protection

● Reverse Current Protection

● 0.2Ω On-Resistance

● 14ms Guaranteed Blanking Time

● FLAG Function

● 80μA Supply Current

When the switch is on and a load is connected to the

port, a guaranteed blanking time of 14ms ensures that

the transient voltages settle down. If after this blanking

time the load current is greater than the current limit,

the MAX4914B/MAX4915B/MAX4917B latchoff versions

enter a latchoff state where the switch is turned off and

FLAG is issued to the microprocessor. The switch can be

turned on again by cycling the power or the ON pin.

● 8μA Latchoff Current

(MAX4914B/MAX4915B/MAX4917B)

● Autoretry (MAX4915A/MAX4917A)

● 0.01μA Shutdown Current

● 2.3V to 5.5V Supply Range

● Undervoltage Lockout

The MAX4915A/MAX4917A have an autoretry feature

where the switch turns off after the blanking time and

then continuously checks to see if the overload condition

is present. The switch turns on and remains on after the

overload condition disappears and FLAG deasserts.

● Fast Current-Limit Response Time (5μs)

● Low (0.1μA typ) Reverse Shutdown Current

● Tiny 6-Pin μDFN (2mm x 2mm) and 5-Pin SOT23

Packages

The MAX4914B is available in the tiny 6-pin μDFN

(2mm x 2mm) package, while the MAX4915A/B and

MAX4917A/B are available in both 6-pin μDFN (2mm x

2mm) and space-saving 5-pin SOT23 packages. These

devices operate over the -40°C to +85°C extended

temperature range.

Applications

● PDAs and Palmtop Devices

● Cell Phones

● GPS Systems

● Handheld Devices

● SDIO

Typical Operating Circuit appear at end of data sheet. end

of data sheet.

● USB Ports

● Notebook Computers

19-0544; Rev 3; 1/16

12 3 4 5 6 7...12

中文翻译

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与MAX4915B相关器件

型号	品牌	获取价格	描述	数据表
MAX4915BELT+	MAXIM	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, BICMOS, 2 X 2 MM, 0.80 MM HEIGHT, LEAD
MAX4915BELT+T	MAXIM	获取价格	100mA/200mA/300mA Current-Limit Switches with Low Shutdown Reverse Current
MAX4915BEUK+T	MAXIM	获取价格	100mA/200mA/300mA Current-Limit Switches with Low Shutdown Reverse Current
MAX4917A	ADI	获取价格	100mA/200mA/300mA限流开关，具有较低的关断反向电流
MAX4917AELT+	MAXIM	获取价格	Power Management Circuit, BICMOS, PDSO6,
MAX4917AELT+T	MAXIM	获取价格	100mA/200mA/300mA Current-Limit Switches with Low Shutdown Reverse Current
MAX4917AEUK+	MAXIM	获取价格	Power Management Circuit, BICMOS, PDSO5,
MAX4917AEUK+T	MAXIM	获取价格	100mA/200mA/300mA Current-Limit Switches with Low Shutdown Reverse Current
MAX4917B	ADI	获取价格	100mA/200mA/300mA限流开关，具有较低的关断反向电流
MAX4917BELT+T	MAXIM	获取价格	100mA/200mA/300mA Current-Limit Switches with Low Shutdown Reverse Current

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