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MAX1644

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

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 cou

文件:183.5 Kbytes 页数:32 Pages

Maxim

美信

MAX1644

2A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches

文件:170.91 Kbytes 页数:11 Pages

Maxim

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MAX1644

2A、低电压、降压型稳压器,内置同步整流与开关

MAX1644恒定关断时间、PWM降压型DC-DC转换器非常适合PC卡、CPU子卡和台式计算机总线终端板等应用。该器件具有内部同步整流功能,可实现高效率并减少元件数量。它不需要外部肖特基二极管。内部0.10Ω PMOS电源开关和0.10Ω NMOS同步整流器开关可轻松提供高达2A的连续负载电流。MAX1644提供+3.3V或+2.5V预设输出电压或+1.1V至VIN可调输出电压。效率高达95%。\n\n MAX1644采用专门的电流模式、恒定关断时间、PWM控制方案,借助Idle Mode™技术,可在轻负载工作条件下保持高效率。该器件采用可编程恒定关断时间架构,开关频率可设置 • ±1%输出精度\n\n• 95%效率\n\n• 内部PMOS和NMOS开关\n• VIN = +4.5V 时,导通电阻为70mΩ\n\n• VIN = +3V时,导通电阻为100mΩ\n\n\n\n\n• 输出电压\n• +3.3V或+2.5V引脚可选\n\n• +1.1V至VIN可调\n\n\n\n\n• 输入电压范围:+3V至+5.5V\n\n• 工作电源电流:360µA(最大值)\n\n• 关断电源电流:< 1µA\n\n• 可编程恒定关断时间操作\n\n• 开关频率:350kHz(最大值)\n\n• 轻负载时进入空闲模式\n\n• 热关断\n\n• 可调软启动冲击限;

ADI

亚德诺

MAX1644EAE

PLASTIC ENCAPSULATED DEVICES

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 cou

文件:137.65 Kbytes 页数:8 Pages

Maxim

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MAX1644_V01

2A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches

文件:170.91 Kbytes 页数:11 Pages

Maxim

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MAX1644EAE

2A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches

文件:170.91 Kbytes 页数:11 Pages

Maxim

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MAX1644EAE+

2A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches

文件:170.91 Kbytes 页数:11 Pages

Maxim

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MAX1644EAE-T

2A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches

文件:170.91 Kbytes 页数:11 Pages

Maxim

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MAX1644EAE

Package:16-SSOP(0.209",5.30mm 宽);包装:卷带(TR) 功能:降压 类别:集成电路(IC) 稳压器 - DC-DC 开关稳压器 描述:IC REG BUCK ADJ/PROG 2A 16SSOP

AD

亚德诺

MAX1644EAE+

Package:16-SSOP(0.209",5.30mm 宽);包装:管件 功能:降压 类别:集成电路(IC) 稳压器 - DC-DC 开关稳压器 描述:IC REG BUCK ADJ/PROG 2A 16SSOP

AD

亚德诺

技术参数

  • VIN (max)(V):

    5.5

  • VOUT1 (min)(V):

    1.1

  • VOUT1 (max)(V):

    5.5

  • IOUT1 (max)(A):

    2

  • Switch Type:

    Internal

  • Preset VOUT(V):

    2.5

  • Output Adjust. Method:

    Preset

  • VOUT1 Tolerance(±%):

    1

  • Synchronous Switching:

    Yes

  • ICC (max)(mA):

    0.36

  • # DC-DC Outputs:

    1

  • Switching Frequency(kHz):

    350

  • Features:

    Adjustable Freq.

  • EV Kit Available:

    Yes

  • Oper. Temp.(°C):

    -40 to +85

  • Package/ Pins:

    SSOP/16

  • Smallest Available Pckg. (max w/pins)(mm2):

    50

  • RoHS Available:

    Yes

  • Budgetary Price (See Notes):

    $4.42 @1k

供应商型号品牌批号封装库存备注价格
MAXIM
2015+
SOP
5700
进口原装正品 能17%开增值发票
询价
MAXIM
23+
SSOP16
7000
绝对全新原装!现货!特价!请放心订购!
询价
美信
24+
SOP-16
89
询价
MAXIM
24+
SSOP16
6980
原装现货,可开13%税票
询价
MAXIM
25+
SOP
2250
100%全新原装公司现货供应!随时可发货
询价
MAXIM
24+
ssop-16
4652
公司原厂原装现货假一罚十!特价出售!强势库存!
询价
MAXIM
25+
SSOP
4500
百分百原装正品 真实公司现货库存 本公司只做原装 可
询价
MAXIM
25+
SSOP16
4500
全新原装、诚信经营、公司现货销售!
询价
MAXIM
SOP
3350
一级代理 原装正品假一罚十价格优势长期供货
询价
MAXIM
23+
SOP
1800
十七年VIP会员,诚信经营,一手货源,原装正品可零售!
询价
更多MAX1644供应商 更新时间2025-10-10 9:13:00