Datasheet > MAX17292

MAX17292

更新时间： 2024-11-21 02:46:59

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
18页	1340K
描述
2.5V to 36V, 2.5MHz, PWM Boost Controller with 4Î¼A Shutdown Current and Reduced EMI

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MAX17292 数据手册

EVALUATION KIT AVAILABLE

MAX17290/MAX17292

2.5V to 36V, 2.5MHz, PWM Boost Controller

with 4µA Shutdown Current and Reduced EMI

General Description

Beneﬁts and Features

● Reduces Solution Size and Cost

• All-Ceramic Capacitor Solution Allows Ultra-Compact

Solution Size

The MAX17290/MAX17292 high-efficiency, synchronous

step-up DC-DC controllers operate over a 4.5V to 36V

input voltage range with 42V input transient protection.

The input operating range can be extended to as low as

2.5V in Bootstrapped mode.

• 100kHz to 1MHz (MAX17290) and 1MHz to

2.5MHz (MAX17292) Switching-Frequency with

External Synchronization

The MAX17290 and MAX17292 use a constant-frequency,

pulse-width modulating (PWM), peak current-mode

control architecture. There are multiple versions of the

devices offering one or more of the following functions:

a synchronization output (SYNCO) for 180° out-of-phase

operation, an overvoltage protection function using a

separate input pin (OVP), and a reference input pin

(REFIN) to allow on-the-fly output voltage adjustment.

● Increases Design Flexibility

• Bootstrapped Mode Allows Input Voltage to be 2.5V

• Adjustable Slope Compensation

● Reduces Power Dissipation

• >90% Peak Efﬁciency

• Low 4μA (typ.) Shutdown Current

● Operates Reliably

The MAX17290 and MAX17292 operate in different

frequency ranges. All versions can be synchronized to an

external master clock using the FSET/SYNC input.

• 42V Input Voltage Transient Protection

• Fixed 9ms Internal Software Start Reduces Input

Inrush Current

• PGOOD Output and Hiccup Mode for Enhanced

System Protection

• Overtemperature Shutdown

• Reduced EMI Emission with Spread-Spectrum

Control

The devices are available in a compact 12-pin (3mm x

3mm) TQFN and 10-pin µMAX packages. Both packages

have exposed pads. -40°C to +85°C Operation.

Applications

● Distributed Supply Regulation

Typical Application Circuit

● Ofﬂine Power Supplies

● Telecom Hardware

● General-Purpose Point-of-Load

BOOTSTRAPPED 2.2MHz APPLICATION WITH LOW OPERATING VOLTAGE

22µF

0.47µH

BATTERY INPUT

2.5V to 40V

SW_OUT

8V/2A

47µF

CERAMIC

PVL

SUP

DRV

10kΩ

91kΩ

1kΩ

PGOOD

ISNS

22mΩ

PVL

MAX17292EUBA/B

2.2µF

FSET/SYNC

COMP

13kΩ

12kΩ

GND

Ordering Information appears at end of data sheet.

ENABLE

µMAX is a registered trademark of Maxim Integrated Products, Inc.

19-8544; Rev 0; 8/16

12 3 4 5 6 7...18

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与MAX17292相关器件

型号	品牌	获取价格	描述	数据表
MAX17292ETCC	MAXIM	获取价格	2.5V to 36V, 2.5MHz, PWM Boost Controller wit
MAX17292ETCD	MAXIM	获取价格	2.5V to 36V, 2.5MHz, PWM Boost Controller wit
MAX17292ETCE	MAXIM	获取价格	2.5V to 36V, 2.5MHz, PWM Boost Controller wit
MAX17292ETCE+	MAXIM	获取价格	Switching Controller,
MAX17292ETCF	MAXIM	获取价格	2.5V to 36V, 2.5MHz, PWM Boost Controller wit
MAX17292EUBA	MAXIM	获取价格	2.5V to 36V, 2.5MHz, PWM Boost Controller wit
MAX17292EUBA+T	MAXIM	获取价格	Switching Controller,
MAX17292EUBB	MAXIM	获取价格	2.5V to 36V, 2.5MHz, PWM Boost Controller wit
MAX17292EUBB+	MAXIM	获取价格	Switching Controller,
MAX1729EUB	MAXIM	获取价格	ECB and LCD Display Bias Supply with Accurate Output Voltage and Temperature Compensation

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