Datasheet > MAX1724_12

MAX1724_12

更新时间： 2024-11-21 01:19:23

品牌	Logo	应用领域
美信 - MAXIM		/
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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MAX1724_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MAX1724_12相关器件

型号	品牌	获取价格	描述	数据表
MAX17242	MAXIM	获取价格	Eliminates External Components and Reduces Total Cost
MAX17242	ADI	获取价格	3.5V至36V、2A/3A、同步Buck转换器，15μA静态电流和低EMI
MAX17242ETPA+	MAXIM	获取价格	Switching Regulator,
MAX17242ETPA+T	MAXIM	获取价格	IC REG BUCK SYNC
MAX17242ETPB+	MAXIM	获取价格	Switching Regulator,
MAX17242ETPB+T	MAXIM	获取价格	IC REG BUCK SYNC
MAX17243	MAXIM	获取价格	Eliminates External Components and Reduces Total Cost
MAX17243	ADI	获取价格	3.5V至36V、2A/3A、同步Buck转换器，15μA静态电流和低EMI
MAX17243ETPA+	MAXIM	获取价格	Switching Regulator,
MAX17243ETPA+T	MAXIM	获取价格	IC REG BUCK SYNC

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