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书籍 Wireless Communication Technology
This is a book on wireless communication. That usually means communica-
tion by radio, though ultrasound and infrared light are also used occasion-
ally. The term “wireless” has come to mean nonbroadcast communication,
usually between individuals who very often use portable or mobile equip-
ment. ...
技术资料 XR2981
2.7V to 5.5V input voltage Range Efficiency up to 96%
24V Boost converter with 12A switch
current Limit 600KHz fixed Switching Frequency Integrated soft-start Thermal Shutdown Under voltage Lockout Support external LDO auxiliary power
supply 8-Pin SOP-PP PackageAPPLICATIONSPorta ...
技术资料 PW4556_2.0.pdf规格书下载
The PW4556 series of devices are highly integrated Li-Ion and Li-Pol linear chargers targetedat small capacity battery for portable applications. It is a complete constant-current/ constantvoltage linear charger. No external sense resistor is needed, and no blocking diode is required dueto the inter ...
技术资料 PW4203_2.0.pdf规格书下载
PW4203 is a 4.5-22V input, 2A multi-cell synchronous Buck Li-Ion battery charger, suitable forportable application. Select pin is convenient for multi-cell charging. 800 kHz synchronous buckregulator integrates of 22V rating FETs with ultra low on- resistance to achieve high efficiency andsimple cir ...
技术资料 PW4055_2.0.pdf规格书下载
The PW4055 is a complete constant-current /constant-voltage linear charger for single cell lithiumion batteries.Its ThinSOT package and low external component count make the PW4055 ideallysuited for portable applications.Furthermore, the PW4055 is specifically designed to work within USBpower specif ...
技术资料 PW2053-2.0.pdf规格书
The PW2053 is a high-efficiency monolithic synchronous buck regulator using a constantfrequency, current mode architecture. The device is available in an adjustable version. Supply currentwith no load is 40uA and drops to <1uA in shutdown. The 2.5V to 5.5V input voltage range makesthe PW2053 ideally ...
技术资料 FreeRTOS移植PIC18F25K22全过程详解
1 准备1.1 硬件和编译环境1.1.1 开发板硬件选用PIC18F25K22，在淘宝上可以买到开发板， LIXUE 工作室出品的。价格在140 左右。1.1.2 IDE编译环境为MPLAB IDE V8.87C 编译器为MCC18，版本号为3.38（以上编译环境均由开发板中的光盘提供）1.1.3 仿真器PICkit3，同一家店买的1.2 FreeRTOS 相关移植文件准备1.2.1 下载移植文件 ...