型号 | 下载 订购 | 功能描述 | 制造商 上传企业 | LOGO |
---|---|---|---|---|
MAX1830 | 3A, 1MHz, Low-Voltage, Step-Down Regulators with Synchronous Rectification and Internal Switches General Description The MAX1830/MAX1831 constant-off-time, pulse-width-modulated (PWM) step-down DC-DC converters are ideal for use in 5V and 3.3V to low-voltage conversion necessary in notebook and subnotebook computers. These devices feature internal synchronous rectification for high efficienc 文件:278.76 Kbytes 页数:13 Pages | Maxim 美信 | Maxim | |
MAX1830 | 3A、1MHz、低电压、降压型稳压器,内置同步整流与开关 对于在笔记本和亚笔记本电脑中所需使用的5V和3.3V到更低电压的转换器,MAX1830/MAX1831固定关断时间、脉宽调制(PWM)降压DC-DC转换器是理想的选择。这两种器件带有内置的同步整流器可以达到提高效率和减少元件数目的目的,而且都不需要外置肖特基二极管。它们内部的45mΩ的PMOS功率开关和55mΩ的NMOS同步整流开关可以轻松输出高达3A的持续负载电流。MAX1830可以产生预置的+2.5V、+1.8V或+1.5V输出电压或者是在1.1V到输入电压之间调节输出电压。MAX1831可以产生预置的+3.3V、+2.5V或+1.5V输出电压或者是在+1.1V输入电压之间调节输出电压。它 • ±1.5%的输出精确度\n• 94%的效率\n• 内部PMOS/NMOS开关\n• 在VIN = +4.5V时阻抗为45mΩ/55mΩ\n• 在VIN = +3V时阻抗为50mΩ/55mΩ\n\n\n• 输出电压\n• +3.3V、+2.5V或+1.5V引脚可选(MAX1831)\n• +2.5V、+1.8V或+1.5V引脚可选(MAX1830)\n• +1.1V值VIN可调(两款器件)\n\n\n• +3V至+5.5V的输入电压范围\n• 750µA (最大)工作电流\n• <1µA关断电流\n• 可设的固定关断时间\n• 最高1MHz开关频率\n• 轻负载Idle Mo; | ADI 亚德诺 | ADI | |
3A, 1MHz, Low-Voltage, Step-Down Regulators with Synchronous Rectification and Internal Switches General Description The MAX1830/MAX1831 constant-off-time, pulse-width-modulated (PWM) step-down DC-DC converters are ideal for use in 5V and 3.3V to low-voltage conversion necessary in notebook and subnotebook computers. These devices feature internal synchronous rectification for high efficienc 文件:278.76 Kbytes 页数:13 Pages | Maxim 美信 | Maxim | ||
3A, 1MHz, Low-Voltage, Step-Down Regulators with Synchronous Rectification and Internal Switches General Description The MAX1830/MAX1831 constant-off-time, pulse-width-modulated (PWM) step-down DC-DC converters are ideal for use in 5V and 3.3V to low-voltage conversion necessary in notebook and subnotebook computers. These devices feature internal synchronous rectification for high efficienc 文件:278.76 Kbytes 页数:13 Pages | Maxim 美信 | Maxim | ||
Package:16-SSOP(0.154",3.90mm 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 16QSOP | AD 亚德诺 | AD | ||
Package:16-SSOP(0.154",3.90mm 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 16QSOP | AD 亚德诺 | AD | ||
Package:16-SSOP(0.154",3.90mm 宽);包装:卷带(TR) 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 16QSOP | AD 亚德诺 | AD |
技术参数
- VIN (max)(V):
5.5
- VOUT1 (min)(V):
1.1
- VOUT1 (max)(V):
5.5
- IOUT1 (max)(A):
3
- Switch Type:
Internal
- Preset VOUT(V):
1.5
- Output Adjust. Method:
Preset
- VOUT1 Tolerance(±%):
1.5
- Synchronous Switching:
Yes
- ICC (max)(mA):
0.75
- # DC-DC Outputs:
1
- Switching Frequency(kHz):
1000
- Features:
Adjustable Freq.
- EV Kit Available:
Yes
- Oper. Temp.(°C):
-40 to +85
- Package/ Pins:
QSOP/16
- Smallest Available Pckg. (max w/pins)(mm2):
30.9
- 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 |
---|---|---|---|---|---|---|---|
MAX |
25+ |
2560 |
绝对原装!现货热卖! |
询价 | |||
MAX |
22+ |
原厂原封 |
8200 |
原装现货库存.价格优势 |
询价 | ||
MAX |
05+ |
原厂原装 |
4285 |
只做全新原装真实现货供应 |
询价 | ||
MAXIM |
2015+ |
SOP/DIP |
19889 |
一级代理原装现货,特价热卖! |
询价 | ||
MAXIM |
24+ |
SSOP |
1 |
询价 | |||
MAXIM |
24+ |
418 |
5000 |
原装现货,可开13%税票 |
询价 | ||
MAX |
25+ |
SSOP |
11157 |
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 |
23+ |
SMD |
5000 |
原装正品,假一罚十 |
询价 | ||
MAXIM |
2016+ |
SSOP16 |
2653 |
只做原装,假一罚十,公司可开17%增值税发票! |
询价 | ||
MAXIM |
17+ |
SSOP-16 |
6200 |
100%原装正品现货 |
询价 |
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