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MAX1644集成电路(IC)的稳压器-DC-DC开关稳压器规格书PDF中文资料

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厂商型号

MAX1644

参数属性

MAX1644 封装/外壳为16-SSOP(0.209",5.30mm 宽);包装为卷带(TR);类别为集成电路(IC)的稳压器-DC-DC开关稳压器;产品描述:IC REG BUCK ADJ/PROG 2A 16SSOP

功能描述

Advanced Chemistry-Independent, Level 2 Battery Charger with Input Current Limiting

封装外壳

16-SSOP(0.209",5.30mm 宽)

文件大小

183.5 Kbytes

页面数量

32

生产厂商

MAXIM

中文名称

美信

网址

网址

数据手册

下载地址一下载地址二到原厂下载

更新时间

2026-1-24 10:31:00

人工找货

MAX1644价格和库存,欢迎联系客服免费人工找货

MAX1644规格书详情

General Description

The MAX1644 constant-off-time, PWM step-down DC-DC converter is ideal for use in applications such as PC cards, CPU daughter cards, and desktop computer bus-termination boards. The device features internal synchronous rectification for high efficiency and reduced component count. It requires no external Schottky diode. The internal 0.10Ω PMOS power switch and 0.10Ω NMOS synchronous-rectifier switch easily deliver continuous load currents up to 2A. The MAX1644 produces a preset +3.3V or +2.5V output voltage or an adjustable output from +1.1V to VIN. It achieves efficiencies as high as 95.

特性 Features

♦ ±1 Output Accuracy

♦ 95 Efficiency

♦ Internal PMOS and NMOS Switches

70mΩ On-Resistance at VIN = +4.5V

100mΩ On-Resistance at VIN = +3V

♦ Output Voltage

+3.3V or +2.5V Pin-Selectable

+1.1V to VIN Adjustable

♦ +3V to +5.5V Input Voltage Range

♦ 360µA (max) Operating Supply Current

♦ < 1µA Shutdown Supply Current

♦ Programmable Constant-Off-Time Operation

♦ 350kHz (max) Switching Frequency

♦ Idle Mode Operation at Light Loads

♦ Thermal Shutdown

♦ Adjustable Soft-Start Inrush Current Limiting

♦ 100 Duty Cycle During Low-Dropout Operation

♦ Output Short-Circuit Protection

♦ 16-Pin SSOP Package

Applications

+5V to +3.3V/+2.5V Conversion

CPU I/O Supply

+3.3V PC Card and CardBus Applications

Notebook and Subnotebook Computers

Desktop Bus-Termination Boards

CPU Daughter Card Supply

产品属性

  • 产品编号:

    MAX1644EAE

  • 制造商:

    Analog Devices Inc./Maxim Integrated

  • 类别:

    集成电路(IC) > 稳压器 - DC-DC 开关稳压器

  • 包装:

    卷带(TR)

  • 功能:

    降压

  • 输出配置:

  • 拓扑:

    降压

  • 输出类型:

    可调节(可编程)

  • 输出数:

    1

  • 电压 - 输入(最小值):

    3V

  • 电压 - 输入(最大值):

    5.5V

  • 电压 - 输出(最小值/固定):

    1.1V(2.525V,3.33V)

  • 电压 - 输出(最大值):

    5.5V

  • 电流 - 输出:

    2A

  • 频率 - 开关:

    最高 350kHz

  • 同步整流器:

  • 工作温度:

    -40°C ~ 85°C(TA)

  • 安装类型:

    表面贴装型

  • 封装/外壳:

    16-SSOP(0.209",5.30mm 宽)

  • 供应商器件封装:

    16-SSOP

  • 描述:

    IC REG BUCK ADJ/PROG 2A 16SSOP

供应商 型号 品牌 批号 封装 库存 备注 价格
MAXIM
24+
SSOP
25000
特价特价100原装长期供货.
询价
MAXIM/美信
2026+
SSOP16
12500
全新原装正品,本司专业配单,大单小单都配
询价
MAXIM/美信
09+
SSOP16
540
一个电话就有货,价格很低
询价
MAXIM
25+
SSOP-16
90000
一级代理商进口原装现货、假一罚十价格合理
询价
MAXIM
24+
SSOP
5000
全现原装公司现货
询价
MAXIM
20+
SSOP-16
2960
诚信交易大量库存现货
询价
Maxim
1931+
N/A
1789
加我qq或微信,了解更多详细信息,体验一站式购物
询价
MAXIM
01+
SSOP/16
70
原装现货海量库存欢迎咨询
询价
MAXIM
22+
SSOP16
5000
原装现货库存.价格优势!!
询价
MAXIM
25+
SSOP
35000
普通
询价