Datasheet > MAX17250ATD

MAX17250ATD

更新时间： 2024-11-25 02:52:51

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
13页	1027K
描述
2.7V to 18V Input, Boost Converter with 0.1Î¼A True Shutdown, Short-Circuit Protection and Selectable Input Current Limit

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MAX17250ATD 数据手册

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MAX17250

2.7V to 18V Input, Boost Converter with 0.1μA

True Shutdown, Short-Circuit Protection

and Selectable Input Current Limit

General Description

Beneﬁts and Features

● Input Voltage Range 2.7V to 18V

TheMAX17250DC-DCboostconverterisahigh-efficiency,

low quiescent current, synchronous boost (step-up)

converter with True Shutdown™, programmable input

current limit, and short-circuit protection. The MAX17250

has a wide input voltage range of 2.7V to 18V and

generates an output voltage of 3V to 18V. The MAX17250

has a maximum on-time of 800ns and implements three

modes of operation. The first mode of operation is a

soft-start mode at power-up. The second mode of

operation is normal operation and utilizes a fixed on-time/

minimum off-time Pulse Frequency Modulation (PFM)

architecture that uses only 60μA (typ) quiescent

current due to the converter switching only when needed.

The last mode is True Shutdown, where the output is

completely disconnected from the input, and the battery

drain is minimized to 0.1μA (typ) shutdown current. The

MAX17250 is available in a compact, 12-bump, 1.72mm

x 1.49mm WLP or a 14-pin, 3mm x 3mm TDFN package.

• 1 or 2 Cell Li-ion Batteries

● Output Voltage Range 3V to 18V, > V

● Integrated Power FETs

● Selectable Input Peak Current Limit (ISET)

• 3.5A, 2.7A, or 1.85A

● 93% Efficiency

● Low Power

• 0.1μA True Shutdown Current

• 60μA Quiescent Current

● Protection

• True Shutdown Prevents Current Flowing Between

Input and Output

• Soft-Start Inrush Protection

• Short-Circuit Protection

• Overtemperature Protection

• -40°C to +125°C Operation

Applications

● Digital Cameras

● Battery Powered Internet of Things (IoT) Device

● 1 or 2 Cell Li-ion Battery Applications

● Display Supply

Ordering Information appears at end of data sheet.

● Buzzer/Alarm Driver

True Shutdown is a trademark of Maxim Integrated Products.

Typical Application Circuit

3.0V to 8.4V

2.2µH

0.1µF

12V

OUT

BST

OUT

PVH

CIN

2x10µF

COUT

10µF

CPVH

2x22µF

1kΩ

4.7nF

GND

EN MAX17250

84.5kΩ

ISET

2.2µF

10kΩ

AGND

PGND

19-100359; Rev 2; 10/19

12 3 4 5 6 7...13

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