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MAX8643

3A, 2MHz Step-Down Regulator with Integrated Switches

General Description The MAX8643 high-efficiency switching regulator delivers up to 3A load current at output voltages from 0.6V to (0.9 x VIN).The IC operates from 2.35V to 3.6V, making it ideal for on-board point-of-load and postregulation applications. Total output error is less than ±1 over lo

文件:300.91 Kbytes 页数:16 Pages

Maxim

美信

MAX8643

Allows All-Ceramic Capacitor Design

文件:215.76 Kbytes 页数:6 Pages

Maxim

美信

MAX8643

3A、2MHz、降压型调节器,内置开关

MAX8643是一款高效开关稳压器,在0.6V至(0.9 × VIN)输出范围内可提供最大3A负载电流。器件工作电压为2.35V至3.6V,非常适合负载点(point-of-load)和后稳压应用。在整个负载、输入电压和温度变化范围内,器件输出电压误差低于±1%。\n\n MAX8643采用固定频率PWM工作模式,开关频率可通过外部电阻在500kHz至2MHz范围内设置。高工作频率允许全陶瓷电容设计,同时也允许采用小尺寸外部元件。\n\n 片内低导通电阻nMOS保证在较重负载下提供高效率,并使电感值最小。相对于分立元件解决方案,该器件的布局要简单得多。便利的电路布局 • 内置37mΩ RDS(ON) MOSFET\n• 3A连续电流输出\n• 在整个负载、输入电压和温度范围内提供±1%的输出精度\n• 2.35V至3.6V工作电压\n• 输出电压在0.6V至(0.9 × VIN)之间可调\n• 软启动抑制输入浪涌电流\n• 500kHz至2MHz可调开关频率\n• 能够使用陶瓷、聚合物以及电解输出电容\n• VID选择输出电压\n• 0.6、0.7、0.8、1.0、1.2、1.5、1.8、2.0和2.5V\n\n\n• 完整的过压和过热保护\n• DDR应用中吸入/源出电流\n• 24引脚、4mm x 4mm薄型QFN无铅封装;

ADI

亚德诺

MAX8643A

3A, 2MHz Step-Down Regulator with Integrated Switches

General Description The MAX8643A high-efficiency switching regulator delivers up to 3A load current at output voltages from 0.6V to (0.9 x VIN). The IC operates from 2.35V to 3.6V, making it ideal for on-board point-of-load and postregulation applications. Total output error is less than ±1 over

文件:303.04 Kbytes 页数:16 Pages

Maxim

美信

MAX8643AETG+

3A, 2MHz Step-Down Regulator with Integrated Switches

General Description The MAX8643A high-efficiency switching regulator delivers up to 3A load current at output voltages from 0.6V to (0.9 x VIN). The IC operates from 2.35V to 3.6V, making it ideal for on-board point-of-load and postregulation applications. Total output error is less than ±1 over

文件:303.04 Kbytes 页数:16 Pages

Maxim

美信

MAX8643ETG+

3A, 2MHz Step-Down Regulator with Integrated Switches

General Description The MAX8643 high-efficiency switching regulator delivers up to 3A load current at output voltages from 0.6V to (0.9 x VIN).The IC operates from 2.35V to 3.6V, making it ideal for on-board point-of-load and postregulation applications. Total output error is less than ±1 over lo

文件:300.91 Kbytes 页数:16 Pages

Maxim

美信

MAX8643_0709

3A, 2MHz Step-Down Regulator with Integrated Switches

文件:351.49 Kbytes 页数:16 Pages

Maxim

美信

MAX8643A

3A, 2MHz Step-Down Regulator with Integrated Switches

文件:324.57 Kbytes 页数:16 Pages

Maxim

美信

MAX8643A_0709

3A, 2MHz Step-Down Regulator with Integrated Switches

文件:321.3 Kbytes 页数:16 Pages

Maxim

美信

MAX8643A_09

3A, 2MHz Step-Down Regulator with Integrated Switches

文件:324.57 Kbytes 页数:16 Pages

Maxim

美信

技术参数

  • VIN (max)(V):

    3.6

  • VOUT1 (min)(V):

    0.6

  • VOUT1 (max)(V):

    2.5

  • IOUT1 (max)(A):

    3

  • Switch Type:

    Internal

  • Output Adjust. Method:

    Digital/VID

  • VOUT1 Tolerance(±%):

    1

  • Synchronous Switching:

    Yes

  • Power Good Signal:

    Yes

  • ICC (max)(mA):

    6.5

  • # DC-DC Outputs:

    1

  • Switching Frequency(kHz):

    2000

  • Features:

    Adjustable Freq.

  • Design Tools:

    EE-Sim

  • Oper. Temp.(°C):

    -40 to +85

  • Package/ Pins:

    TQFN/24

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

    16.8

  • RoHS Available:

    Yes

  • Budgetary Price (See Notes):

    $3.42 @1k

供应商型号品牌批号封装库存备注价格
MAXIM/美信
24+
QFN
60000
询价
MAXIM
25+
QFN
1600
强调现货,随时查询!
询价
MAXIM
13+
QFN
3758
原装分销
询价
Maxim
24+
SMD
17900
开关稳压器
询价
MAXIM
17+
QFN
6200
100%原装正品现货
询价
MAXIM
24+
QFN-24
4652
公司原厂原装现货假一罚十!特价出售!强势库存!
询价
MAXIM
09+
QFN24
5500
原装无铅,优势热卖
询价
MAXIM
25+
QFN
20
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
2016+
QFN
1800
只做原装,假一罚十,公司可开17%增值税发票!
询价
Maxim
1701+
?
7500
只做原装进口,假一罚十
询价
更多MAX8643供应商 更新时间2025-10-6 13:34:00