Datasheet > MAX17687ATP

MAX17687ATP

更新时间： 2024-01-04 06:58:27

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
19页	751K
描述
4.5V to 60V Input, Ultra-Small, High-Efficiency, Iso-Buck DC-DC Converter

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数据手册

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MAX17687ATP 数据手册

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MAX17687

4.5V to 60V Input, Ultra-Small, High-Eﬃciency,

Iso-Buck DC-DC Converter

General Description

Beneﬁts and Features

● Eliminates External Components and Reduces Total

The Rainier series of isolated DC-DC products enable

small, efficient solutions with a lower BOM. The MAX17687

is a high-voltage, high-efficiency, iso-buck DC-DC con-

verter designed to provide isolated power up to 10W. The

device operates over a wide 4.5V to 60V input voltage

range and uses primary-side feedback to regulate the

output voltage. It delivers primary peak current up to 3.2A

and regulates primary output voltage to within ±1.2%.

Cost

• Synchronous Primary Operation for High Eﬃciency

and Reduced Cost

• All-Ceramic Capacitors, Ultra-Compact Layout

● Supports Numerous Isolated DC-DC Applications

• Wide 4.5V to 60V Input Voltage Range

• Delivers up to 3.2A Peak Current

The device features peak-current-mode control with

pulse-width modulation (PWM) scheme. The low-resis-

tance, on-chip MOSFETs ensure high efficiency at full

load and simplify the layout.

• 100kHz to 500kHz Adjustable Frequency with

External Synchronization

• Available in a 20-Pin, 4mm x 4mm TQFN Package

A programmable soft-start feature allows users to reduce

input inrush current. The device also incorporates an

output enable/undervoltage lockout pin (EN/UVLO) that

allows the user to turn on the part at the desired input-volt-

age level. An open-drain RESET pin provides a delayed

power-good signal to the system upon achieving success-

ful regulation of the primary output voltage.

● Reduces Power Dissipation

• Peak Eﬃciency > 90%

• Shutdown Current = 2.8μA (typ)

● Operates Reliably in Adverse Industrial Environments

• Hiccup-Mode Current Limit, Sink Current Limit, and

Auto-Retry Startup

• Programmable EN/UVLO Threshold

• Adjustable Soft-Start

• -40°C to +125°C Ambient Operating Temperature

Range

The device operates from -40°C to +125°C and is avail-

able in a compact 20-pin (4mm x 4mm) TQFN package.

Simulation models are available.

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

Applications

● Industrial Process Control

● Communication Hub in Smart Meters

● Isolated Power Supplies in Medical Equipment

● Floating Power Supply Generation

Ordering Information appears at end of data sheet.

Typical Application Circuit

2.2μF

16V TO 60V

EN/UVLO

BST

105kΩ

0.1μF

1:1.67

OUT

12V, 750mA

SYNC

MAX17687

10μF

PRI

SEC

RESET

78.7kΩ

2.2μF

22μF

SGND

10kΩ

COMP

PGND

15nF

6.34kΩ

2.2nF

C10

2700pF

33nF

19-100446; Rev 0; 12/18

12 3 4 5 6 7...19

中文翻译

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与MAX17687ATP相关器件

型号	品牌	获取价格	描述	数据表
MAX17687ATP+	MAXIM	获取价格	Switching Regulator,
MAX17690	MAXIM	获取价格	60V, No-Opto Isolated Flyback Controller
MAX17690	ADI	获取价格	60V、无光耦、隔离反激控制器
MAX17690_17	MAXIM	获取价格	60V, No-Opto Isolated Flyback Controller
MAX17690ATE+	MAXIM	获取价格	Switching Controller, Current-mode, 250kHz Switching Freq-Max, CMOS, TQFN-16
MAX17691A	ADI	获取价格	4.2V–60V、无光耦、隔离反激转换器，集成FET
MAX17691B	ADI	获取价格	4.2V–60V、无光耦、隔离反激转换器，集成FET
MAX17692A	ADI	获取价格	集成FET的4.2V–60V、无光耦隔离反激式转换器
MAX17692B	ADI	获取价格	集成FET的4.2V–60V、无光耦隔离反激式转换器
MAX17693A	ADI	获取价格	集成FET的4.2V–60V、无光耦隔离反激式转换器

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