型号 | 下载 订购 | 功能描述 | 制造商 上传企业 | LOGO |
---|---|---|---|---|
MAX1623 | 3A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches General Description The MAX1623 switch-mode buck regulator with synchronous rectification provides local CPU and bus-termination power in notebook and desktop computers. An internal 55mΩ (typ), 3A PMOS power switch and 60mΩ (typ), 3A NMOS synchronous-rectifier switch deliver continuous load curre 文件:164 Kbytes 页数:12 Pages | Maxim 美信 | Maxim | |
MAX1623 | 3A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches 文件:242.93 Kbytes 页数:12 Pages | Maxim 美信 | Maxim | |
MAX1623 | 3A、低电压、降压型稳压器,内置同步整流与开关 带同步整流功能的MAX1623开关模式降压稳压器可为笔记本电脑和台式电脑提供本地CPU和总线终端电源。内置的55mΩ(典型值)、3A PMOS电源开关和60mΩ(典型值)、3A NMOS同步整流器开关以95%的效率(典型值)从5V电源提供高达3A的连续负载电流。输出精度为±1%,包括线路和负载调节。\n\n MAX1623提供恒定关断时间、电流模式脉宽调制(PWM)控制,开关频率高达350kHz。TOFF引脚上的外部电阻可用于设置关断时间,从而在开关频率、输出开关噪声和电感尺寸方面实现高度设计灵活性。该器件采用节省空间的20引脚SSOP封装。 • ±1%输出精度,包括线路和负载调节\n\n• 94%效率\n\n• 内部开关\n• 55mΩ PMOS电源开关\n\n• 60mΩ NMOS同步整流器开关\n\n\n\n\n• 提供3A负载能力\n\n• 外部元件很少\n\n• 引脚可选的3.3V、2.5V固定输出电压,或(1.1V至3.8V)可调输出电压\n\n• 输入电压范围:4.5V至5.5V\n\n• 电源电流:400µA(典型值)\n\n• 关断电源电流:< 1µA\n\n• 恒定关断时间PWM操作\n\n• 开关频率高达350kHz\n\n• 轻负载时进入Idle Mode™工作模式\n\n• 热关断保护\n\; | ADI 亚德诺 | ADI | |
3A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches General Description The MAX1623 switch-mode buck regulator with synchronous rectification provides local CPU and bus-termination power in notebook and desktop computers. An internal 55mΩ (typ), 3A PMOS power switch and 60mΩ (typ), 3A NMOS synchronous-rectifier switch deliver continuous load curre 文件:164 Kbytes 页数:12 Pages | Maxim 美信 | Maxim | ||
3A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches 文件:242.93 Kbytes 页数:12 Pages | Maxim 美信 | Maxim | ||
3A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches 文件:242.93 Kbytes 页数:12 Pages | Maxim 美信 | Maxim | ||
Package:20-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 3A 20SSOP | AD 亚德诺 | AD | ||
Package:20-SSOP(0.209",5.30mm 宽);包装:托盘 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 3A 20SSOP | AD 亚德诺 | AD | ||
Package:20-SSOP(0.209",5.30mm 宽);包装:托盘 功能:降压 类别:集成电路(IC) DC DC 开关稳压器 描述:IC REG BUCK ADJ/PROG 3A 20SSOP | AD 亚德诺 | AD |
技术参数
- VIN (max)(V):
5.5
- VOUT1 (min)(V):
1.1
- VOUT1 (max)(V):
3.8
- IOUT1 (max)(A):
3
- Switch Type:
Internal
- Preset VOUT(V):
2.5
- Output Adjust. Method:
Preset
- VOUT1 Tolerance(±%):
1
- Synchronous Switching:
Yes
- ICC (max)(mA):
0.525
- # DC-DC Outputs:
1
- Switching Frequency(kHz):
350
- Features:
Adjustable Freq.
- EV Kit Available:
Yes
- Oper. Temp.(°C):
-40 to +85
- Package/ Pins:
SSOP/20
- Smallest Available Pckg. (max w/pins)(mm2):
57.9
- RoHS Available:
Yes
- Budgetary Price (See Notes):
$6.20 @1k
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MAXIM |
22+ |
SMD |
5000 |
原装现货库存.价格优势!! |
询价 | ||
MAXIM |
23+ |
SOP |
8000 |
只做原装现货 |
询价 | ||
MAXIM |
23+ |
SMD |
3700 |
绝对全新原装!现货!特价!请放心订购! |
询价 | ||
MAX |
24+ |
SSOP20 |
85 |
询价 | |||
MAX |
SSOP24 |
00+ |
6 |
全新原装进口自己库存优势 |
询价 | ||
MAXIM |
25+ |
2250 |
100%全新原装公司现货供应!随时可发货 |
询价 | |||
MAXIM |
17+ |
SSOP-20 |
6200 |
100%原装正品现货 |
询价 | ||
MAX |
05+ |
原厂原装 |
4283 |
只做全新原装真实现货供应 |
询价 | ||
MAX |
24+ |
SSOP20 |
6980 |
原装现货,可开13%税票 |
询价 | ||
MAX |
23+ |
SOP |
5000 |
原装正品,假一罚十 |
询价 |
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