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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 22:58:00

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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
MAX
2016+
SSOP
1800
只做原装,假一罚十,公司可开17%增值税发票!
询价
MAXIM
00+
SOP16
2110
全新原装进口自己库存优势
询价
MAXIM/美信
20+
SSOP-16
32500
MAXIM全新原装-可开原型号增税票
询价
MAXIM
24+
SSOP16
20000
全新原厂原装,进口正品现货,正规渠道可含税!!
询价
MAXIM
25+23+
SSOP
33720
绝对原装正品全新进口深圳现货
询价
MAXIM
20+
SSOP-16
2960
诚信交易大量库存现货
询价
MAXIM/美信
21+
SSOP16
20000
百域芯优势 实单必成 可开13点增值税发票
询价
MAXIM
23+
BGAQFP
8659
原装公司现货!原装正品价格优势.
询价
MAXIM
25+
SSOP16
4500
全新原装、诚信经营、公司现货销售!
询价
MAXIM
2015+
SOP
5700
进口原装正品 能17%开增值发票
询价