Datasheet > MAX17575ATCT

MAX17575ATCT

更新时间： 2024-11-16 02:52:47

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
16页	1028K
描述
4.5Vâ60V, 1.5A, High-Efficiency Synchronous Step-Down DC-DC Converter with Internal Compensation

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MAX17575ATCT 数据手册

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MAX17575

4.5V–60V, 1.5A, High-Eﬃciency,

Synchronous Step-Down DC-DC Converter

with Internal Compensation

General Description

Beneﬁts and Features

● Reduces External Components and Total Cost

The MAX17575 high-efficiency, high-voltage, synchronous

step-down DC-DC converter with integrated MOSFETs

operates over a 4.5V to 60V input. The converter can

deliver up to 1.5A and generates output voltages from

• No Schottky-Synchronous Operation

• Internal Compensation for Any Output Voltage

• All-Ceramic Capacitors, Compact Layout

0.9V up to 0.9 x V . The feedback (FB) voltage is accu-

● Reduces Number of DC-DC Regulators to Stock

rate to within ±1.2% over -40°C to +125°C. Built-in com-

pensation across the output-voltage range eliminates the

need for external components. The MAX17575 features

peak-current-mode control architecture and operates

in fixed frequency forced PWM mode. The MAX17575

offers a low minimum on-time that allows high switching

frequencies and a smaller solution size.

• Wide 4.5V to 60V Input

• Adjustable 0.9V to 0.9 × V Output

• Continuous 1.5A Current Over Temperature

• 400kHz to 2.2MHz Adjustable Switching Frequency

with External Synchronization

● Reduces Power Dissipation

• Peak Eﬃciency of 94%

The device is available in a 12-pin (3mm × 3mm) TDFN

package. Simulation models are available.

• Auxiliary Bootstrap LDO for Improved Eﬃciency

• 4.65µA Shutdown Current

● Operates Reliably in Adverse Industrial Environments

• Hiccup Mode Overload Protection

• Adjustable Soft-Start

Applications

● Industrial Control Power Supplies

● General-Purpose Point-of-Load

● Distributed Supply Regulation

● Base Station Power Supplies

● Wall Transformer Regulation

● High-Voltage, Single-Board Systems

• Built-In Output-Voltage Monitoring with RESET

• Programmable EN/UVLO Threshold

• Monotonic Startup into Prebiased Load

• Overtemperature Protection

• High Industrial -40°C to +125°C Ambient Operating

Temperature Range/-40°C to +150°C Junction

Temperature Range

Ordering Information appears at end of data sheet.

5V Output: Typical Application Circuit and Eﬃciency vs. Load Current

EN/UVLO

BST

= 500kHz

2.2µF

PGND

SGND

0.1µF

15µH

MAX17575

OUT

5V, 1.5A

RT/SYNC

75kΩ

22µF

RESET

EXTVCC

4.7Ω

5.6nF

16.2kΩ

2.2µF

0.1µF

19-8785; Rev 3; 12/19

12 3 4 5 6 7...16

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与MAX17575ATCT相关器件

型号	品牌	获取价格	描述	数据表
MAX17575EVKITB	MAXIM	获取价格	Output-Voltage Application
MAX17576	MAXIM	获取价格	4.5V to 60V, 4A, High-Efficiency Synchronous Step-Down DC-DC Converter with Internal Compe
MAX17576	ADI	获取价格	4.5V至60V、4A、高效同步降压型DC-DC转换器，带内部补偿
MAX17576ATG	MAXIM	获取价格	4.5V to 60V, 4A, High-Efficiency Synchronous Step-Down DC-DC Converter with Internal Compe
MAX17576ATG+	MAXIM	获取价格	Switching Regulator,
MAX17576ATGT	MAXIM	获取价格	4.5V to 60V, 4A, High-Efficiency Synchronous Step-Down DC-DC Converter with Internal Compe
MAX17576EVKITB	MAXIM	获取价格	5V Output-Voltage Application
MAX17577	MAXIM	获取价格	in -12V and -5V Output-Voltage Applications
MAX17577	ADI	获取价格	4.5V至60V、1A高效、同步、反相输出DC-DC转换器
MAX17577EVKIT	MAXIM	获取价格	in -12V and -5V Output-Voltage Applications

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