CXDC65103线圈与控制IC一体化的超小型升压微型DC转换器同步整流方式PWM固定控制CL放电功能 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
目录7.相关产品 产品概述 返回TOP CXDC65103系列是一种线圈与控制IC一体化的超小型(2.5mm×2.0mm、h=1.0mm)的升压微型DC/DC转换器。通过在电路中采用同步整流方式,无需二极管,外部零件只需两个陶瓷电容,就能组成高效的升压电源电路。电路因外部零件减少而被简化,可将因基板设计导致的噪音和工作故障控制在最小限度。输入电压范围为0.65V~6.0V,输出电压范围为2.2V~5.5V(精度±2.0%),可以0.1V步进进行设置。控制方式准备了PWM固定控制和PWM/PFM转换(自动切换工作模式)控制类型。CXDC65103系列通过PWM固定控制可控制输出纹波。此外,CXDC65103D类型通过CL放电功能,将在待机模式时快速降低输出电压,并防止输出设备的误动作。CXDC65103E类型通过旁路开关功能,将导通输入和输出,可驱动RTC等。 The CXDC65103/CXDC65104 series is a synchronous step-up micro DC/DC converter which integrates an inductor and a control IC in one tiny package (2.0mm×2.5mm, h=1.0mm). A stable step-up power supply is configured using only two capacitors connected externally. An internal coil simplifies the circuit and enables minimization of noise and other operational trouble due to the circuit wiring. A wide operating voltage range of 0.9V to 6.0V enables support for applications that require an internally fixed output voltage (2.2V to 5.5V). PWM control (CXDC65103) or automatic PWM/PFM switching control (CXDC65104) can be selected. During the devices enter stand-by mode, CXDC65103D/CXDC65104D types prevent the application malfunction by CL Discharge Function which can quickly discharge the electric charge at the output capacitor (CL). CXDC65103/CXDC65104E types is able to drive Real Time Clock etc. 产品特点 返回TOP Input Voltage Range : 0.9V~6.0V (Absolute Max. Rating: 7.0V) Fixed Output Voltage : 2.2V~5.5V (0.1V increments) Oscillation Frequency : 3.0MHz (±20%) Input Current : 0.8A Output Current : 500mA @VOUT=5.0V, VBAT=3.3V (TYP.) 350mA @VOUT=3.3V, VBAT =1.8V (TYP.) Control Mode Selection Load Transient Response : PWM (CXDC65103 Series) or Auto PWM/PFM (CXDC65104 Series): 100mV@VOUT=3.3V,VBAT=1.8V,IOUT=1mA→200mA Protection Circuits : Over-current limit (Integral latch method) Output short-circuit protection Functions : Soft-start Load Disconnection Function (D type) CL Auto Discharge Function (D type) Bypass Switch Function (E type) Output Capacitor : Ceramic Capacitor Operating Ambient Temperature : -40℃~+85℃ Package : CL-2025-02 Environmentally Friendly : EU RoHS Compliant, Pb Free 应用范围 返回TOP ●Portable equipment ●Beauty & health equipment ●Wearable devices ●Game & Hobby ●PC Peripherals ●Devices with 1~3 Alkaline, 1~3 Nickel Hydride, 1 Lithium and 1 Li-ion 技术规格书(产品PDF) 返回TOP 需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持!
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