Datasheet > MAX1722_12

MAX1722_12

更新时间： 2024-11-23 11:59:11

品牌	Logo	应用领域
美信 - MAXIM		转换器
页数	文件大小	规格书
12页	495K
描述
1.5Î¼A IQ, Step-Up DC-DC Converters in Thin SOT23-5

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MAX1722_12 数据手册

MAX1722/MAX1723/

MAX1724

1.5µA I , Step-Up DC-DC Converters

in Thin SOT23-5

General Description

Features

The MAX1722/MAX1723/MAX1724 compact, high-effi-

ciency, step-up DC-DC converters are available in tiny, 5-

pin thin SOT23 packages. They feature an extremely low

1.5µA quiescent supply current to ensure the highest pos-

sible light-load efficiency. Optimized for operation from

one to two alkaline or nickel-metal-hydride (NiMH) cells, or

a single Li+ cell, these devices are ideal for applications

where extremely low quiescent current and ultra-small size

are critical.

o Up to 90% Efficiency

o No External Diode or FETs Needed

o 1.5µA Quiescent Supply Current

o 0.1µA Logic-Controlled Shutdown

1% ꢀutput ꢁoltage Accuracy

o Fixed ꢀutput ꢁoltage (MAX1724) or Adjustable

ꢀutput ꢁoltage (MAX1722/MAX1723)

o Up to 150mA ꢀutput Current

Built-in synchronous rectification significantly improves

efficiency and reduces size and cost by eliminating the

need for an external Schottky diode. All three devices fea-

ture a 0.5Ω N-channel power switch. The MAX1722/

MAX1724 also feature proprietary noise-reduction circuitry,

which suppresses electromagnetic interference (EMI)

caused by the inductor in many step-up applications. The

family offers different combinations of fixed or adjustable

outputs, shutdown, and EMI reduction (see Selector

Guide).

o 0.8ꢁ to 5.5ꢁ Input ꢁoltage Range

o 0.91ꢁ Guaranteed Startup (MAX1722/MAX1724)

o Internal EMI Suppression (MAX1722/MAX1724)

o Thin SꢀT23-5 Package (1.1mm max Height)

Ordering Information

PIN-

TOP

PART

TEMP RANGE

PACKAGE

MARK

Applications

5 SOT23

5 SOT5

MAX1722EZK+T+

MAX1723EZK+T

MAX1724EZK27+T -40°C to +85°C

-40°C to +85°C

ADQF

ADQG

ADQH

ADQI

Pagers

Single-Cell Battery-

Powered Devices

Remote Controls

Low-Power Hand-Held

Instruments

Remote Wireless

Transmitters

MAX1724EZK30+T

MAX1724EZK33+T

MAX1724EZK50+T

5 SOT23

-40°C to +85°C

MP3 Players

ADQJ

ADQK

Personal

Medical Devices

Personal Digital

Assistants (PDA)

+Denotes a lead(Pb)-free/RoHS-compliant package.

T = Tape and reel.

Digital Still Cameras

Selector Guide appears at end of data sheet.

Typical Operating Circuit

Pin Configurations

10µH

TOP VIEW

BATT

GND

BATT

0.8V TO 5.5V

MAX1722

MAX1724

OUT

3.3V AT

UP TO 150mA

SHDN

OFF

GND

THIN SOT23

Pin Configurations are continued at end of data sheet.

For pricing, delivery, and ordering information, please contact Maxim Direct

at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.

19-1735; Rev 1; 9/12

12 3 4 5 6 7...12

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与MAX1722_12相关器件

型号	品牌	获取价格	描述	数据表
MAX1722_13	MAXIM	获取价格	1.5Î¼A IQ, Step-Up DC-DC Converters in TSOT
MAX17220	MAXIM	获取价格	400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown
MAX17220	ADI	获取价格	400mV至5.5V输入、nanoPower同步升压转换器，带真关断
MAX17220ELT	MAXIM	获取价格	400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown
MAX17220ELT+T	MAXIM	获取价格	Switching Regulator,
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

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