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MAX1951AESA+T

更新时间： 2024-10-03 13:10:27

品牌	Logo	应用领域
美信 - MAXIM		稳压器
页数	文件大小	规格书
15页	251K
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数据手册
替代型号

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MAX1951AESA+T 数据手册

19-2622; Rev 2; 6/09

1MHz, All-Ceramic, 2.6V to 5.5V Input,

2A PWM Step-Down DC-to-DC Regulators

General Description

Features

The MAX1951/MAX1952 high-efficiency, DC-to-DC

step-down switching regulators deliver up to 2A of out-

put current. The devices operate from an input voltage

range of 2.6V to 5.5V and provide an output voltage

♦ Compact 0.385in²Circuit Footprint

♦ 10µF Ceramic Input and Output Capacitors, 2µH

Inductor for 1.5A Output

from 0.8V to V , making the MAX1951/MAX1952 ideal

♦ Efficiency Up to 94%

for on-board postregulation applications. The MAX1951

total output error is less than 1% over load, line, and

temperature.

♦ 1% Output Accuracy Over Load, Line, and

Temperature (MAX1951, Up to 1.5A)

The MAX1951/MAX1952 operate at a fixed frequency of

1MHz with an efficiency of up to 94%. The high operating

frequency minimizes the size of external components.

Internal soft-start control circuitry reduces inrush current.

Short-circuit and thermal-overload protection improve

design reliability.

♦ Guaranteed 2A Output Current

♦ Operate from 2.6V to 5.5V Supply

♦ Adjustable Output from 0.8V to V (MAX1951)

♦ Preset Output of 1.8V (1.5% Accuracy) (MAX1952)

♦ Internal Digital Soft-Soft

The MAX1951 provides an adjustable output from 0.8V

to V , whereas the MAX1952 has a preset output of

1.8V. Both devices are available in a space-saving 8-pin

SO package.

♦ Short-Circuit and Thermal-Overload Protection

Ordering Information/

Selector Guide

Applications

ASIC/DSP/µP/FPGA Core and I/O Voltages

Set-Top Boxes

PIN-

PART

TEMP RANGE

OUTPUT

PACKAGE

Cellular Base Stations

MAX1951ESA+ -40°C to +85°C 8 SO

MAX1952ESA+ -40°C to +85°C 8 SO

Adj 0.8V to V

Fixed 1.8V

Networking and Telecommunications

+Denotes a lead(Pb)-free/RoHS-compliant package.

Pin Configuration

Typical Operating Circuit

OUTPUT

INPUT

2.6V TO 5.5V

0.8V TO V , UP TO 2A

TOP VIEW

MAX1951

REF

GND

MAX1951

MAX1952

PGND

COMP

PGND

REF

GND

OFF

OPTIONAL

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...15

中文翻译

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MAX1951AESA+T 替代型号

型号	品牌	替代类型	描述	数据表
MAX1951AESA+	MAXIM	类似代替	1MHz, 2A, 2.6V to 5.5V Input, PWM DC-DC Step-Down Regulator with Enable

与MAX1951AESA+T相关器件

型号	品牌	获取价格	描述	数据表
MAX1951ESA	MAXIM	获取价格	PLASTIC ENCAPSULATED DEVICES
MAX1951ESA+	MAXIM	获取价格	1MHz, All-Ceramic, 2.6V to 5.5V Input, 2A PWM Step-Down DC-to-DC Regulators
MAX1951ESA+T	MAXIM	获取价格	暂无描述
MAX1951ESA+TW	MAXIM	获取价格	Switching Regulator
MAX1951ESA+W	MAXIM	获取价格	暂无描述
MAX1951EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX1951/MAX1952
MAX1952	MAXIM	获取价格	PLASTIC ENCAPSULATED DEVICES
MAX1952	ADI	获取价格	1MHz、全陶瓷、2.6V至5.5V输入、2A PWM降压型DC-DC稳压器
MAX19527	MAXIM	获取价格	Ultra-Low-Power, Octal, 12-Bit, 50Msps, 1.8V ADC with Serial LVDS Outputs
MAX19527EXE+	MAXIM	获取价格	Ultra-Low-Power, Octal, 12-Bit, 50Msps, 1.8V ADC with Serial LVDS Outputs

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