Datasheet > MAX17571

MAX17571

更新时间： 2023-12-20 18:44:57

品牌	Logo	应用领域
亚德诺 - ADI		DC-DC转换器
页数	文件大小	规格书
19页	1618K
描述
4V至60V、1.5A、高效、同步降压DC-DC转换器

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中文翻译

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数据手册

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MAX17571 数据手册

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4V to 60V, 1.5A, High-Efficiency,

MAX17571

Synchronous Step-Down DC-DC Converter

undervoltage lockout pin (EN/UVLO) that allows the user

to turn on the part at the desired input voltage level. The

MAX17571 offers a low minimum on time that allows

high switching frequencies and a smaller solution size.

Product Highlights

•

Reduces External Components and Total Cost

• No Schottky—Synchronous Operation

• Internal Compensation

The MAX17571 is available in a 12-pin (3mm x 3mm)

TDFN-EP package. Simulation models are available.

• All-Ceramic Capacitors, Compact Layout

Reduces Number of DC-DC Regulators to Stock

• Wide 4V to 60V Input-Voltage Range

Simplified Application Diagram

V^IN

• Adjustable Output Voltage Range from 0.9V up to

90% of V

• 400kHz to 2.2MHz Adjustable Switching

BST

Frequency with External Clock Synchronization

EN/UVLO

MAX17571

OUT

•

Reduces Power Dissipation

RT/SYNC

• 94% Peak Efficiency

• External Bias Input for Improved Efficiency

• 4.65μA Shutdown Current

EXTVCC

RESET

Operates

Reliably

Adverse

Industrial

Environments

• Built-in Hiccup Mode Overload Protection

• Built-in Output-Voltage Monitoring with RESET

• Adjustable Soft-Start

SGND

PGND

• Programmable EN/UVLO Threshold

• Monotonic Startup into Prebiased Output Voltage

• Overtemperature Protection

Pin Description

TOP VIEW

• CISPR 32 Class B Compliant

PGND

General Description

The Himalaya series of voltage regulator ICs, power

modules, and chargers enable cooler, smaller, and

simpler power supply solutions. The MAX17571, a high-

efficiency, high-voltage, Himalaya synchronous step-

down DC-DC converter with integrated MOSFETs

operates over an input voltage range of 4V to 60V. The

converter can deliver up to 1.5A current. Output voltage

EN/UVLO

BST

RESET

MAX17571

EXTVCC

SGND

is programmable from 0.9V up to 90% of V . The

V_CC

feedback voltage regulation accuracy over -40°C to

+125°C is ±1.2%. Built-in compensation across the

output voltage range eliminates the need for external

compensation components.

*EP

RT/SYNC

12-Pin TDFN-EP

(3mm x 3mm)

The MAX17571 features peak-current-mode control

architecture and operates in fixed frequency forced

pulse-width modulation (PWM) mode. A programmable

soft-start feature allows users to reduce input inrush

current. The device also incorporates an enable/input

Ordering Information appears at end of data sheet.

19-101589; Rev 0; 7/22

12 3 4 5 6 7...19

中文翻译

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与MAX17571相关器件

型号	品牌	获取价格	描述	数据表
MAX17572	MAXIM	获取价格	4.5Vâ60V, 1A, High-Efficiency, Synchronous
MAX17572	ADI	获取价格	4.5V-60V、1A、高效、同步降压型DC-DC转换器，带内部补偿
MAX17572ATC+	MAXIM	获取价格	4.5Vâ60V, 1A, High-Efficiency, Synchronous
MAX17573	ADI	获取价格	具有内部补偿的4.5V至60V、3.5A、高效、同步降压DC-DC转换器
MAX17574	MAXIM	获取价格	4.5Vâ60V, 3A, High-Efficiency
MAX17574	ADI	获取价格	4.5V-60V、3A、高效、同步降压型DC-DC转换器，带内部补偿
MAX17574ATG+	MAXIM	获取价格	Switching Regulator, Current-mode, 5.85A, 2450kHz Switching Freq-Max, BICMOS, TQFN-24
MAX17574EVKITB	MAXIM	获取价格	Operates from a 6.5V to 60V Input Supply
MAX17575	MAXIM	获取价格	4.5Vâ60V, 1.5A, High-Efficiency Synchronous
MAX17575	ADI	获取价格	4.5V–60V、1.5A、高效、同步降压型DC-DC转换器，带内部补偿

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