Datasheet > MAX17220ELT+T

MAX17220ELT+T

更新时间： 2024-11-19 19:59:55

品牌	Logo	应用领域
美信 - MAXIM		开关
页数	文件大小	规格书
23页	826K
描述
Switching Regulator,

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中文翻译

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技术参数
数据手册

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MAX17220ELT+T 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	,	Reach Compliance Code：	compliant
Factory Lead Time：	6 weeks	风险等级：	1.69
模拟集成电路 - 其他类型：	SWITCHING REGULATOR	峰值回流温度（摄氏度）：	NOT SPECIFIED
处于峰值回流温度下的最长时间：	NOT SPECIFIED	Base Number Matches：	1

MAX17220ELT+T 数据手册

EVALUATION KIT AVAILABLE

MAX17220‒MAX17225

400mV to 5.5V Input, nanoPower Synchronous

Boost Converter with True Shutdown

General Description

Beneﬁts and Features

● 300nA Quiescent Supply Current Into OUT

The MAX17220–MAX17225 is a family of ultra-low

quiescent current boost (step-up) DC-DC converters

with a 225mA/0.5A/1A peak inductor current limit and

True Shutdown™. True Shutdown disconnects the output

from the input with no forward or reverse current. The

output voltage is selectable using a single standard 1%

resistor. The 225mA (MAX17220), 500mA (MAX17222/

MAX17223), and 1A (MAX17224/MAX17225) peak inductor

current limits allow flexibility when choosing inductors. The

MAX17220/MAX17222/MAX17224 versions have post-

startup enable transient protection (ETP), allowing the

output to remain regulated for input voltages down to

400mV, depending on load current. The MAX17220–

MAX17225 offer ultra-low quiescent current, small total

solution size, and high efficiency throughout the entire load

range. The MAX17220–MAX17225 are ideal for battery

applications where long battery life is a must.

● True Shutdown Mode

• 0.5nA Shutdown Current

• Output Disconnects from Input

• No Reverse Current with V

0V to 5V

OUT

● 95% Peak Efficiency

● 400mV to 5.5V Input Range

● 0.88V Minimum Startup Voltage

● 1.8V to 5V Output Voltage Range

• 100mV/Step

• Single 1% Resistor Selectable Output

● 225mA, 500mA, and 1A Peak Inductor Current Limit

• MAX17220: 225mA I

LIM

• MAX17222/MAX17223: 500mA I

• MAX17224/MAX17225: 1A I

LIM

● MAX17220/MAX17222/MAX17224 Enable Transient

Applications

Protection (ETP)

● Optical Heart-Rate Monitoring (OHRM) LED Drivers

● Supercapacitor Backup for RTC/Alarm Buzzers

● Primary-Cell Portable Systems

● 2mm x 2mm 6-Pin μDFN

● 0.88mm x 1.4mm 6-Bump WLP (2 x 3, 0.4mm Pitch)

● Tiny, Low-Power IoT Sensors

Typical Operating Circuit

● Secondary-Cell Portable Systems

● Wearable Devices

L1 2.2µH

400mV TO 5.5V

● Battery-Powered Medical Equipment

● Low-Power Wireless Communication Products

OUT

CIN

10µF

Ordering Information appears at end of data sheet.

GND

MAX1722X

COUT

10µF

STARTUP

0.88 (TYP)

RSEL

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

19-8753; Rev 3; 7/17

12 3 4 5 6 7...23

中文翻译

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与MAX17220ELT+T相关器件

型号	品牌	获取价格	描述	数据表
MAX17220ENT	MAXIM	获取价格	400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown
MAX17220ENT+	MAXIM	获取价格	Switching Regulator,
MAX17220ENT+T	MAXIM	获取价格	Switching Regulator,
MAX17220EVKIT	MAXIM	获取价格	Up to 100mA/225mA/425mA Output Current
MAX17221	MAXIM	获取价格	Up to 100mA/225mA/425mA Output Current
MAX17221	ADI	获取价格	400mV至5.5V输入、nanoPower同步升压转换器，带真关断
MAX17221ELT+	MAXIM	获取价格	Switching Regulator,
MAX17221ENT+	MAXIM	获取价格	Switching Regulator,
MAX17222	MAXIM	获取价格	400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown
MAX17222	ADI	获取价格	400mV至5.5V输入、nanoPower同步升压转换器，带真关断

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