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。
 
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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
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产品封装图 返回TOP

电路原理图 返回TOP

| 线圈一体型DC/DC转换器 | ||||||||||||
| 产品名称 | 封装 | 类型 | 控制 | FET | VIN (MIN) (V) | VIN MAX | VOUT MIN V | VOUT MAX V | IOUTorIIN mA | FB/VOUT 电压精度 (%) | 振荡频率 (MHz) | 消耗电流 (μA) | 
| cl2025 | StepUP | PFM | Nch FET | 0.9 | 5.5 | 2 | 5 | 100 | ±2.0 | 1.2 | 6.3 | |
| cl2025-02 | 升压 | PWM | Nch FET | 0.9 | 6 | 2 | 5.5 | 500mA@VOUT=5.0V, VBAT=3.3V(TYP.) 350mA@VOUT=3.3V, VBAT=1.8V(TYP.) | ±2.0 | 3 | ||
| cl2025-02 | 升压 | Auto PWM/PFM | Nch FET | 0.9 | 6 | 2 | 5.5 | 500mA@VOUT=5.0V, VBAT=3.3V(TYP.) VBAT=1.8V(TYP.) | ±2.0 | 3 | ||
| cl2025 | StepDown | PWM | Nch FET | 2 | 6 | 1 | 4 | 400 | ±2.0 | 1.2 | 22 | |
| cl2025 | StepDown | PWM PFM | Nch FET | 2 | 6 | 1 | 4 | 400 | ±2.0 | 1.2 | 22 | |
| cl2025 | StepDown | PWM | Nch FET | 2 | 6 | 1 | 4 | 600 | ±2.0 | 3 | 46 | |
| cl2025 | StepDown | PWM/PFM | Nch FET | 2 | 6 | 1 | 4 | 600 | ±2.0 | 3 | 21 | |
| cl2025 | StepDown | PWM/PFM 外部转换 | Nch FET | 2 | 6 | 1 | 4 | 600 | ±2.0 | 3 | 21 | |
| usp10b03 | StepDown | PWM | Nch FET | 1.8 | 6 | 1 | 4 | 400 | ±2.0 | 3 | 46 | |
| usp10b03 | StepDown | PWM PFM | Nch FET | 1.8 | 6 | 1 | 4 | 400 | ±2.0 | 3 | 21 | |
| cl2025-02 | StepDown | PFM | Nch FET | 2 | 6 | 1 | 4 | 200 | ±2.0 | 3 | 0.5 | |
| usp11b01 | StepDown | PWM | Nch FET | 2.7 | 6 | 1 | VIN | 2000 | ±2.0 | 2.4 | 53 | |
| usp11b01 | StepDown | PWM PFM | Nch FET | 2.7 | 6 | 1 | VIN | 2000 | ±2.0 | 2.4 | 53 | |
| usp9b01 | StepDown | PWM | Nch FET | 2.7 | 5.5 | 1 | 3.6 | 1500 | ±2.0 | 3 | 400 | |
| usp9b01 | StepDown | PWM PFM | Nch FET | 2.7 | 5.5 | 1 | 3.6 | 1500 | ±2.0 | 3 | 25 | |
| cl2025-02 | StepDown | PWM | Nch FET | 2.5 | 5.5 | 1 | 3.6 | 1000 | 3 | 400 | ||
| cl2025-02 | StepDown | PWM PFM | Nch FET Pch FET | 2.5 | 5.5 | 1 | 3.6 | 1000 | 3 | 40 | ||
| cl2025-02 | StepDown | PWM | Nch FET | 2.5 | 5.5 | 1 | 3.6 | 500 | 1.2 | 250 | ||
| cl2025-02 | StepDown | PWM/PFM | Nch FET | 2.5 | 5.5 | 1 | 3.6 | 500 | 1.2 | 1 | ||
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下一篇▶:CXDC65104同步升压型微型DC变换器电感控制IC集成在微型封装中两个外部连接的电容器配置稳定的升压电源输入电压0.65V~6.0V
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