Datasheet > MAX17227J

MAX17227J

更新时间： 2024-11-21 14:58:07

品牌	Logo	应用领域
亚德诺 - ADI		升压转换器
页数	文件大小	规格书
22页	849K
描述
具有短路保护和自动直通模式的400mV至5.5V输入、500mA nanoPower升压转换器

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MAX17227J 数据手册

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400mV to 5.5V Input, 500mA nanoPower Boost

Converter with Short-Circuit Protection and

Automatic Pass-Through Mode

MAX17227J

General Description

Benefits and Features

The MAX17227J is a nanoPower boost converter capable

of delivering a load up to 500mA peak inductor current

and offering automatic pass-through operation, True Shut-

down™, cycle-by-cycle inductor current limit, short-circuit,

and thermal-protection features. The MAX17227J offers

ultra-low quiescent current, small total solution size, and

high efficiency throughout the load and line range. The

MAX17227J is ideal for battery-powered applications

where long battery life is a must and high efficiency is re-

quired at all power levels.

● 350nA Quiescent Supply Current

● Output Short-Circuit Protection

● Automatic Pass-Through Mode

• Overcurrent and Overtemperature Protected

● 95% Peak Efficiency, 89% or Higher at 500μA

● Typical 300mA Output Current at 5.0V (V > 3.6V)

● 400mV to 5.5V Input Voltage Range

● 880mV Minimum Startup Voltage

● Single Resistor-Adjustable Output Voltage

• 2.3V to 5.2V Output Voltage Range with 100mV

Steps

The MAX17227J utilizes an adaptive on-time, pulse-fre-

quency-modulation (PFM) control scheme that consumes

ultra-low quiescent current. The MAX17227J features

True Shutdown mode, where the output disconnects from

the input with no forward or reverse current. The active

discharge resistor feature pulls the charge from the output

capacitor.

• 5.4V Output Voltage Setting Available

● 500mA Peak Inductor Current Limit

● Active Discharge Feature

● Thermal Shutdown Protection

● Multiple Package Options:

• 1.58mm x 0.89mm, 0.4mm Pitch, 6-Bump (3 x 2)

WLP

The MAX17227J is offered in space-saving and cost-ef-

fective 1.58mm x 0.89mm, 6-bump WLP (3 x 2, 0.4mm

pitch) and 2mm x 2mm, 8-pin TDFN packages. The oper-

ating temperature range is from -40°C to +125°C.

• 2mm x 2mm, 8-Pin TDFN

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

Applications

● Medical

• Clinical Instrumentation

• Battery-Powered Medical Equipment

● Industrial

• Emergency Lighting

• IoT Sensors

● Consumer

• Wi-Fi Module

• Near-Band IoT

• Wearable Devices

True Shutdown is a trademark of Maxim Integrated Products, Inc.

Wi-Fi is a registered certification mark of Wi-Fi Alliance Corporation.

19-101043; Rev 2; 10/21

Ordering Information appears at end of data sheet.

12 3 4 5 6 7...22

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