型号 | 下载 订购 | 功能描述 | 制造商 上传企业 | LOGO |
---|---|---|---|---|
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 | Maxim | |
MAX8643 | Allows All-Ceramic Capacitor Design 文件:215.76 Kbytes 页数:6 Pages | Maxim 美信 | Maxim | |
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 | ADI | |
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 | Maxim | ||
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 | Maxim | ||
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 | Maxim | ||
3A, 2MHz Step-Down Regulator with Integrated Switches 文件:351.49 Kbytes 页数:16 Pages | Maxim 美信 | Maxim | ||
3A, 2MHz Step-Down Regulator with Integrated Switches 文件:324.57 Kbytes 页数:16 Pages | Maxim 美信 | Maxim | ||
3A, 2MHz Step-Down Regulator with Integrated Switches 文件:321.3 Kbytes 页数:16 Pages | Maxim 美信 | Maxim | ||
3A, 2MHz Step-Down Regulator with Integrated Switches 文件:324.57 Kbytes 页数:16 Pages | Maxim 美信 | Maxim |
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 |
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