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MAX1649CPA中文资料PDF规格书
厂商型号 |
MAX1649CPA |
参数属性 | MAX1649CPA 封装/外壳为8-DIP(0.300",7.62mm);包装为管件;类别为集成电路(IC) > PMIC - 稳压器 - DC DC 开关式控制器;产品描述:IC REG CTRLR BUCK 8DIP |
功能描述 | 5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers |
文件大小 |
167.2 Kbytes |
页面数量 |
12 页 |
生产厂商 | MaximIntegrated |
企业简称 |
Maxim【美信半导体】 |
中文名称 | 美信半导体官网 |
原厂标识 | |
数据手册 | |
更新时间 | 2024-5-12 23:00:00 |
MAX1649CPA规格书详情
General Description
The MAX1649/MAX1651 BiCMOS, step-down, DC-DC switching controllers provide high efficiency over loads ranging from 1mA to more than 2.5A. A unique, current limited pulse-frequency-modulated (PFM) control scheme gives these devices the benefits of pulse-width-modulation (PWM) converters (high efficiency at heavy loads), while using only 100µA of supply current (vs. 2mA to 10mA for PWM converters). Dropout performance down to 300mV is provided by a high switch duty cycle (96.5) and a low current-sense threshold (110mV).
Features
♦ More than 90 Efficiency (10mA to 1.5A Loads)
♦ More than 12.5W Output Power
♦ Less than 0.3V Dropout Voltage at 500mA
♦ 100µA Max Quiescent Supply Current
♦ 5µA Max Shutdown Supply Current
♦ 16V Max Input Voltage
♦ 5V (MAX1649), 3.3V (MAX1651), or Adjustable
Output Voltage
♦ Current-Limited Control Scheme
♦ Up to 300kHz Switching Frequency
♦ Up to 96.5 Duty Cycle
Applications
PDAs
High-Efficiency Step-Down Regulation
5V-to-3.3V Green PC Applications
Battery-Powered Applications
产品属性
- 产品编号:
MAX1649CPA
- 制造商:
Analog Devices Inc./Maxim Integrated
- 类别:
集成电路(IC) > PMIC - 稳压器 - DC DC 开关式控制器
- 包装:
管件
- 输出类型:
晶体管驱动器
- 功能:
降压
- 输出配置:
正
- 拓扑:
降压
- 输出阶段:
1
- 电压 - 供电 (Vcc/Vdd):
3V ~ 16V
- 频率 - 开关:
最高 300kHz
- 占空比(最大):
96.5%
- 同步整流器:
无
- 时钟同步:
无
- 控制特性:
使能
- 工作温度:
0°C ~ 70°C(TA)
- 安装类型:
通孔
- 封装/外壳:
8-DIP(0.300",7.62mm)
- 供应商器件封装:
8-PDIP
- 描述:
IC REG CTRLR BUCK 8DIP
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MAIXIM |
23+ |
NA/ |
3000 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
询价 | ||
MAIXIM |
DIP |
9993 |
集团化配单-有更多数量-免费送样-原包装正品现货-正规 |
询价 | |||
MAXIM |
23+ |
DIP-8 |
4500 |
全新原装、诚信经营、公司现货销售! |
询价 | ||
MAXIM/美信 |
DIP8 |
265209 |
假一罚十原包原标签常备现货! |
询价 | |||
MAXIM |
22+ |
DIP8 |
5000 |
原装现货库存.价格优势!! |
询价 | ||
MAXIM |
23+ |
DIP8 |
8500 |
原装正品,现货销售 |
询价 | ||
MAIXIM |
21+ |
DIP |
12588 |
原装现货价格优势 |
询价 | ||
MAXIM |
21+ |
DIP8 |
16500 |
进口原装正品现货 |
询价 | ||
MAXIM |
5I22 |
DIP-8 |
4 |
询价 | |||
MAXIM/美信 |
23+ |
DIP |
25500 |
授权代理直销,原厂原装现货,假一罚十,特价销售 |
询价 |