Datasheet > MAX38647B

MAX38647B

更新时间： 2023-12-20 18:46:06

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
16页	1323K
描述
1.8V至5.5V输入、440nA IQ、175mA小型nanoPower降压转换器，具有四级VSEL

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中文翻译

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数据手册

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MAX38647B 数据手册

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Tiny, 1.8V to 5.5V Input, 440nA IQ, 175mA

MAX38647B

nanoPower Buck Converter with Four-Level

VSEL

Benefits and Features

Simplified Application Circuit

•

Extends Battery Life

ADJUSTABLE

• 440nA Ultra-Low Quiescent Supply Current

• 5nA Shutdown Current

• 94% Peak Efficiency and Over 90% at 10µA

(1.8V TO 5.5V)

OUT

(0.5V TO 1.8V)

2.2µH

10µF

22µF

OUT

•

Easy to Use–Addresses Popular Operation

• 1.8V to 5.5V Input Voltage Range

• 0.5V to 1.8V Output Voltage Range

• Up to 175mA Output Current

OUT

GND

MAX38647B

RSEL

•

Protects System in Multiple Use Cases

• Short-Circuit Protection

• Internal Active Discharge

SEL

VSEL1

VSEL2

Programmable Single Resistor (32 Settings)

• Four Output Voltage Levels for Each RSEL

Setting Through Digitally Controlled VSEL1 and

VSEL2 Pins

Pin Configurations

•

EN Pin for Converter On/Off Control

100% Duty-Cycle Mode for Low Dropout Operation

Reduces Size and Increases Reliability

8 WLP

TOP VIEW

(BUMP-SIDE DOWN)

MAX38647B

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

• 8-Bump WLP (1.82mm x 0.89mm, 0.4mm Pitch)

• 10-Pin TDFN (3mm x 3mm, 0.5mm Pitch)

GND

RSEL

Key Applications

OUT

VSEL1

VSEL2

•

Portable Space-Constrained Consumer Products

Wearable Devices Ultra-Low-Power IoT, NB IoT,

and Bluetooth^®LE

•

Single Li-ion and Coin-Cell Battery Products

Wired, Wireless Industrial Products

(1.82mm x 0.89mm, 0.4mm PITCH)

Bluetooth is a registered trademark of Bluetooth SIG, Inc.

Ordering Information appears at end of data sheet.

19-101607; Rev 0; 1/23

12 3 4 5 6 7...16

中文翻译

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