Datasheet > MAX17291

MAX17291

更新时间： 2024-11-21 14:57:43

品牌	Logo	应用领域
亚德诺 - ADI		升压转换器高压
页数	文件大小	规格书
24页	760K
描述
高压、1A、微功耗升压转换器，具有短路保护和真关断功能

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中文翻译

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MAX17291 数据手册

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High-Voltage, 1A Micropower Boost Converter

with Short-Circuit Protection and True

Shutdown

MAX17291

General Description

Benefits and Features

The MAX17291 is a low quiescent current boost (step-up)

DC-DC converter with a 1A peak inductor current limit and

True Shutdown™. True Shutdown disconnects the output

from the input with no forward or reverse current. The out-

put voltage is set with an external resistor-divider.

● 28μA Quiescent Supply Current from Input

● Output Short-Circuit Protection

● Overtemperature Protection

● Constant Frequency in CCM

● True Shutdown Mode

• 0.05μA Shutdown Current

• No Reverse Current from OUT

The MAX17291 offers low quiescent current, small total

solution size, and high efficiency throughout the entire

load range. The MAX17291 is a highly integrated boost

converter designed for applications requiring high voltage

and tiny solution size, such as sensor modules. It in-

tegrates a power switch, power diode, and output load

switch. It can output up to 20V. The load switch is turned

off under shutdown mode, truly disconnecting the load

from the input voltage, thus minimizing the leakage current

during shutdown mode. The device operates with a

switching frequency of 1.0MHz in continuous conduction

mode (CCM). The MAX17291 switch current limit is 1A. It

has 2.2ms built-in soft-start time to minimize inrush cur-

rent. The device features short-circuit and thermal protec-

tion.

● 91% Peak Efficiency

● 1.8V to 5.5V Input Range

● 5.5V to 20V Output Voltage Range

● 1A Peak Inductor Current Limit

● Multiple Package Options

• 1.27mm x 0.87mm, 6-Bump (3 x 2), 0.4mm Pitch

WLP

• 2mm x 2mm, 8-Pin TDFN

● -40°C to +125°C Operating Temperature Range

The MAX17291 is offered in space-saving, cost-effective

1.27mm x 0.87mm, 6-bump WLP (3 x 2, 0.4mm pitch) and

2mm x 2mm, 8-pin TDFN packages. The operating tem-

perature range is from -40°C to +125°C.

Applications

● Sensor Power Supply

● Wearable Devices

● Portable Medical Equipment

True Shutdown is a trademark of Maxim Integrated Products.

19-100778; Rev 3; 02/23

Ordering Information appears at end of data sheet.

12 3 4 5 6 7...24

中文翻译

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与MAX17291相关器件

型号	品牌	获取价格	描述	数据表
MAX17291B	ADI	获取价格	高压微功耗升压转换器
MAX17291C	ADI	获取价格	高电压、微功率、升压转换器
MAX17292	MAXIM	获取价格	2.5V to 36V, 2.5MHz, PWM Boost Controller wit
MAX17292	ADI	获取价格	2.5V至36V、2.5MHz、PWM升压控制器，关断电流为4μA，可降低EMI
MAX17292ETCC	MAXIM	获取价格	2.5V to 36V, 2.5MHz, PWM Boost Controller wit
MAX17292ETCD	MAXIM	获取价格	2.5V to 36V, 2.5MHz, PWM Boost Controller wit
MAX17292ETCE	MAXIM	获取价格	2.5V to 36V, 2.5MHz, PWM Boost Controller wit
MAX17292ETCE+	MAXIM	获取价格	Switching Controller,
MAX17292ETCF	MAXIM	获取价格	2.5V to 36V, 2.5MHz, PWM Boost Controller wit
MAX17292EUBA	MAXIM	获取价格	2.5V to 36V, 2.5MHz, PWM Boost Controller wit

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