Datasheet > MAX17558

MAX17558

更新时间： 2024-11-16 14:58:11

品牌	Logo	应用领域
亚德诺 - ADI		控制器
页数	文件大小	规格书
28页	1052K
描述
60V、双路输出、同步降压型控制器

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中文翻译

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数据手册

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MAX17558 数据手册

EVALUATION KIT AVAILABLE

MAX17558

60V, Dual-Output, Synchronous

Step-Down Controller

General Description

The MAX17558 is a dual-output, synchronous step-down

Beneﬁts and Features

● Wide Range of Operation

controller that drives nMOSFETs.

• Wide 4.5V to 60V Input Voltage Range

• Wide 0.8V to 24V Output Voltage Range

The device features a peak-current-mode, constant-

frequency architecture, allowing it to operate up to

2.2MHz. The device can be configured as two single-

phase, independent 10A power supplies or as a dual-

phase, single-output 20A power supply. The device also

provides the ability to run two controllers 180° out-of-

phase to reduce the power loss and noise due to the

input-capacitor ESR.

• R

or Inductor DCR Current Sensing

SENSE

• Selectable In-Phase or 180° Out-of-Phase

Operation

• Adjustable 100kHz to 2.2MHz Switching Frequency

• Independent Enable and PGOOD

• Available in a Lead(Pb)-Free 32-Pin, 5mm x 5mm

TQFN-EP Package

● Enhances Power Efficiency

The IC supports current sensing using either an external

current-sense resistor for accuracy or an inductor DCR

for improved system efficiency. Current foldback limits

MOSFET power dissipation under short-circuit conditions.

• Low-Impedance Gate Drives for High Efficiency

• DCM Operation at Light Loads

• Auxiliary Bootstrap LDO

● Operates Reliably in Adverse Industrial Environments

• Independent Adjustable Soft-Start or Tracking

• Current Foldback Limits MOSFET Heat Dissipation

During a Short-Circuit Condition

The IC provides independent adjustable soft-start for

each output and can start up monotonically into a

prebiased output. The IC can be configured in either

PWM or DCM modes of operation, depending on whether

constant-frequency operation or light-load efficiency is

desired.

• Operates Over the -40°C to +125°C Temperature

Range

• Output Overvoltage and Overtemperature Protections

The IC operates over the -40°C to +125°C temperature

range and is available in a lead(Pb)-free, 32-pin TQFN,

5mm x 5mm package with an exposed pad.

Ordering Information appears at end of data sheet.

Applications

● Industrial Power Supplies

● Distributed DC Power Systems

● Motion Control

● Programmable Logic Controllers

● Computerized Numerical Control

19-7532; Rev 1; 3/16

12 3 4 5 6 7...28

中文翻译

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与MAX17558相关器件

型号	品牌	获取价格	描述	数据表
MAX17558ATJ+	MAXIM	获取价格	Dual Switching Controller, Current-mode, 2200kHz Switching Freq-Max, BICMOS, 5 X 5 MM, ROH
MAX17558ATJ+T	MAXIM	获取价格	Dual Switching Controller, Current-mode, 2200kHz Switching Freq-Max, BICMOS, 5 X 5 MM, ROH
MAX17559	ADI	获取价格	60V、双路输出、同步降压型控制器
MAX1755AAUT-T	MAXIM	获取价格	SOT23 Local Temperature Comparators with SMBus Serial Interface
MAX1755BAUT-T	MAXIM	获取价格	SOT23 Local Temperature Comparators with SMBus Serial Interface
MAX1755-MAX1756	MAXIM	获取价格	SOT23 Local Temperature Comparators with SMBus Serial Interface
MAX1756	MAXIM	获取价格	SOT23 Local Temperature Comparators with SMBus Serial Interface
MAX17561	ADI	获取价格	Adjustable Overvoltage and Overcurrent Protectors with High Accuracy
MAX17561AUD+	MAXIM	获取价格	Power Supply Support Circuit,
MAX17561AUD+T	MAXIM	获取价格	Power Supply Support Circuit,

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