| 型号 | 下载 订购 | 功能描述 | 制造商 上传企业 | LOGO |
|---|---|---|---|---|
MAX1842 | 1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches General Description The MAX1742/MAX1842 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:597.96 Kbytes 页数:16 Pages | MAXIM 美信 | MAXIM | |
MAX1842 | 1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches 文件:287.76 Kbytes 页数:16 Pages | MAXIM 美信 | MAXIM | |
MAX1842 | 1A/2.7A、1MHz、降压型稳压器,内置同步整流与开关 MAX1742/MAX1842是恒定关断时间、脉宽调制(PWM)降压DC-DC转换器,非常适合为笔记本电脑和小型笔记本电脑提供所需的5V和3.3V至低压转换。这些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。它们不需要外部肖特基二极管。内部90mΩ PMOS电源开关和70mΩ NMOS同步整流器开关可轻松提供高达1A的连续负载电流。MAX1742/MAX1842提供2.5V、1.8V或1.5V预设输出电压,或1.1V至VIN可调输出。其效率高达95%。\n\n MAX1742/MAX1842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 • 输出精度:±1%\n\n• 95%效率\n\n• 内部PMOS和NMOS开关\n• VIN = 4.5V时,导通电阻为90mΩ\n\n• VIN = 3V时,导通电阻为110mΩ\n\n\n\n\n• 输出电压\n• 引脚可选2.5V、1.8V或1.5V\n\n• 可调范围:1.1V至VIN\n\n\n\n\n• 输入电压范围:3V至5.5V\n\n• 工作电源电流:600µA(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:1MHz(最大值)\n\n• 轻负载时进入空闲模式\n\n• 热关断\n\n• 可调软启动冲击限流; | ADI 亚德诺 | ADI | |
1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches General Description The MAX1742/MAX1842 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:597.96 Kbytes 页数:16 Pages | MAXIM 美信 | MAXIM | ||
1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches 文件:287.76 Kbytes 页数:16 Pages | MAXIM 美信 | MAXIM | ||
1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches 文件:287.76 Kbytes 页数:16 Pages | MAXIM 美信 | MAXIM | ||
Package:16-SSOP(0.154",3.90mm 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 1A 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 1A 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 1A 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):
1
- Switch Type:
Internal
- Preset VOUT(V):
1.5
- Output Adjust. Method:
Preset
- VOUT1 Tolerance(±%):
1
- Synchronous Switching:
Yes
- ICC (max)(mA):
0.6
- # 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 |
2025+ |
SOP |
3925 |
全新原装、公司现货热卖 |
询价 | ||
MAXIM/美信 |
2025+ |
SOP |
5000 |
原装进口价格优 请找坤融电子! |
询价 | ||
MAX |
22+ |
SOP |
8200 |
原装现货库存.价格优势 |
询价 | ||
MAXIM/美信 |
23+ |
SOP |
13000 |
原厂授权一级代理,专业海外优势订货,价格优势、品种 |
询价 | ||
MAXIM |
22+ |
SOP |
3000 |
原装正品,支持实单 |
询价 | ||
MAXIM/美信 |
23+ |
SOP |
89630 |
当天发货全新原装现货 |
询价 | ||
MAXIM/美信 |
2450+ |
SOP |
9850 |
只做原厂原装正品现货或订货假一赔十! |
询价 | ||
ADI |
25+ |
16-QSOP-150_MIL |
5500 |
1A/2.7A、1MHz、降压型稳压器,内置同步整流与开关 |
询价 | ||
MAX |
23+ |
SSOP |
3500 |
绝对全新原装!现货!特价!请放心订购! |
询价 | ||
MAXIM |
2015+ |
SOP/DIP |
19889 |
一级代理原装现货,特价热卖! |
询价 |
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