MAX649中文资料PDF规格书
MAX649规格书详情
General Description
The MAX649/MAX651/MAX652 BiCMOS, step-down DC-DC switching controllers provide high efficiency over three decades of load current. 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). The result is high efficiency over loads ranging from 10mA to more than 2.5A.
These devices use miniature external components. Their high switching frequency (up to 300kHz) allows for less than 9mm diameter surface-mount inductors.
The MAX649/MAX651/MAX652 have dropout voltages less than 1V and accept input voltages up to 16.5V. Output voltages are preset at 5V (MAX649), 3.3V (MAX651), and 3V (MAX652). These controllers can also be adjusted to any voltage from 1.5V to the input voltage by using two resistors.
These step-down controllers drive external P-channel MOSFETs at loads greater than 10W. If less power is required, use the MAX639/MAX640/MAX653 step-down converters with on-chip FETs, which allow up to a 225mA load current.
Features
♦ More than 90 Efficiency (10mA to 1.5A Loads)
♦ More than 12.5W Output Power
♦ 100µA Max Quiescent Supply Current
♦ 5µA Max Shutdown Supply Current
♦ Less than 1.0V Dropout Voltage
♦ 16.5V Max Input Voltage
♦ 5V (MAX649), 3.3V (MAX651), 3V (MAX652), or Adjustable Output Voltage
♦ Current-Limited Control Scheme
♦ Up to 300kHz Switching Frequency
Applications
5V-to-3.3V Green PC Applications
High-Efficiency Step-Down Regulation
Minimum-Component DC-DC Converters
Battery-Powered Applications
产品属性
- 产品编号:
MAX6495ATT/V+T
- 制造商:
Analog Devices Inc./Maxim Integrated
- 类别:
集成电路(IC) > 专用 IC
- 系列:
Automotive, AEC-Q100
- 包装:
卷带(TR)
- 类型:
过压保护控制器
- 应用:
汽车级
- 安装类型:
表面贴装型
- 封装/外壳:
6-WDFN 裸露焊盘
- 供应商器件封装:
6-TDFN(3x3)
- 描述:
IC OVERVOLTAGE PROT CTRL 6TDFN
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MAXIM |
2016+ |
SOP8 |
2974 |
只做原装,假一罚十,公司可开17%增值税发票! |
询价 | ||
MAXIM |
21+ |
N/A |
8800 |
公司只做原装正品 |
询价 | ||
MAXIM/美信 |
22 |
TDFN8 |
15000 |
3月31原装,微信报价 |
询价 | ||
MAXIM/美信 |
22+ |
SOP-8 |
100000 |
代理渠道/只做原装/可含税 |
询价 | ||
MAXIM/美信 |
SOP-8 |
45500 |
原盒原标,正品现货 诚信经营 价格美丽 假一罚十 |
询价 | |||
MAXIM |
1328+ |
TDFN8 |
312 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
询价 | ||
MAXIM/美信 |
1922+ |
TDFN8 |
6852 |
只做原装正品现货!或订货假一赔十! |
询价 | ||
Maxim(美信) |
23+ |
NA |
20094 |
正纳10年以上分销经验原装进口正品做服务做口碑有支持 |
询价 | ||
MAXIM/美信 |
24+ |
TDFN-8 |
58000 |
全新原厂原装正品现货,可提供技术支持、样品免费! |
询价 | ||
MAXI |
23+ |
QFN8 |
20000 |
原装正品 欢迎咨询 |
询价 |
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