CMOS的PFM升压DC转换器3.3V输出电压1.8V输入电压下输出200mA CXDC65164-301RM CXDC65164-361RM CXDC65164-331RM CXDC65164-501RM CMOS的PFM升压DC-DC转换器

CXDC65164-301RM CXDC65164-361RM CXDC65164-331RM CXDC65164-501RM系列是基于CMOS的PFM升压DC-DC转换器。该转换器可以启动电源电压低至0.8V，并能提供最大输出电流在3.3V输出1.8V的输入电压。从电源汲取的静态电流低至7uA。所有这些特性使CXDC65164-301RM CXDC65164-361RM CXDC65164-331RM CXDC65164-501RM系列适用于便携式设备，这些设备由一个电池向四个电池供电。
为了降低开关调节器的噪声，在电路设计和制造中充分考虑了CXDC65164-301RM CXDC65164-361RM CXDC65164-331RM CXDC65164-501RM，使器件对其它电路的干扰大大降低，CXDC65164-301RM CXDC65164-361RM CXDC65164-331RM CXDC65164-501RM集成了稳定的参考电路和微调技术，CXDC65164-301RM CXDC65164-361RM CXDC65164-331RM CXDC65164-501RM有SOT-89-3、SOT-23-3和SOT-23-5三种无铅封装。在5针封装中，如SOT-23-5，通过CE-pin可以很容易地打开或关闭设备，以最小化备用电源电流

目录

1.产品概述       2.产品特点     

3.应用范围       4.技术规格书下载（PDF文档）

5.产品封装       6.电路原理图  

7.相关产品

   产品概述 返回TOP

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The CXDC65164-301RM CXDC65164-361RM CXDC65164-331RM CXDC65164-501RM series are CMOS-based PFM step-up DC-DC Converter. The converter can start up by supply voltage as low as 0.8V, and capable of delivering maximum 200mA output current at 3.3V output with 1.8V input Voltage.Quiescent current drawn from power source is as low as 7uA. All of these features make CXDC65164-301RM CXDC65164-361RM CXDC65164-331RM CXDC65164-501RM series be suitable for the portable devices, which are supplied by a single battery to four-cell batteries.
To reduce the noise caused by the switch regulator, CXDC65164-301RM CXDC65164-361RM CXDC65164-331RM CXDC65164-501RM is well considerated in circuit design and manufacture, so that the interferer to other circuits by the device is reduced greatly.CXDC65164-301RM CXDC65164-361RM CXDC65164-331RM CXDC65164-501RM integrates stable reference circuits and trimming technology, so it can afford high precision and low temperature-drift coefficient of the output voltage.CXDC65164-301RM CXDC65164-361RM CXDC65164-331RM CXDC65164-501RM is available in SOT-89-3、SOT-23-3 and SOT-23-5 packages which is PB free. And in 5-pin packages, such as SOT-23-5, the device can be switch on or off easily by CE pin, to minimize the standby supply current

   产品特点 返回TOP

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 Deliver 200mA at 3.3V Output voltage with 1.8V input Voltage 

 Low start-up voltage (when the output current is 1mA)-------0.8V 

 The converter output voltage can be adjusted from 2.5V～6.0V(In 0.1V step). 

 Output voltage accuracy -----------±2％ 

 Low temperature-drift coefficient of the output voltage---100ppm/℃ 

 Only three external components are necessary: An inductor, a Schottky diode and an output filter capacitor 

 High power conversion efficiency---85％ 

 Low quiescent current drawn from power source----------<7uA

   应用范围 返回TOP

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Power source for PDA、DSC、MP3 Player、electronic toy and wireless mouse 

Power source for a single or dual-cell battery-powered equipments 

Power source for LED

   技术规格书（产品PDF) 返回TOP 

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产品封装图 返回TOP

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电路原理图 返回TOP

 

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DC-DC
型号	封装	拓扑架构	输出最大电流	输出电压	静态电流	最大开关频率	最大电压应力	工作模式
CXDC65163	SOP8	BUCK	2.1A	5.1V	220uA	150KHz	40V	PWM
CXDC65164-301RM	SOT-23-3	BOOST	0.2A	3.0V	7uA	350KHz	12V	PFM
CXDC65164-361RM	SOT-23-3	BOOST	0.2A	3.6V	7uA	350KHz	12V	PFM
CXDC65164-331RM	SOT-23-3	BOOST	0.2A	3.3V	7uA	350KHz	12V	PFM
CXDC65164-501RM	SOT-23-3	BOOST	0.2A	5.0V	7uA	350KHz	12V	PFM
CXDC65165-27PX	SOT-89	BOOST	0.2A	2.7V	7uA	350KHz	12V	PFM
CXDC65165-28PX	SOT-89	BOOST	0.2A	2.8V	7uA	350KHz	12V	PFM
CXDC65165-30PX	SOT-89	BOOST	0.2A	3.0V	7uA	350KHz	12V	PFM
CXDC65165-33PX	SOT-89	BOOST	0.2A	3.3V	7uA	350KHz	12V	PFM
CXDC65165-36PX	SOT-89	BOOST	0.2A	3.6V	7uA	350KHz	12V	PFM
CXDC65165-40PX	SOT-89	BOOST	0.2A	4.0V	7uA	350KHz	12V	PFM
CXDC65165-50PX	SOT-89	BOOST	0.2A	5.0V	7uA	350KHz	12V	PFM
CXDC65166-30PB	SOT-23-5	BOOST	0.2A	3.0V	7uA	350KHz	12V	PFM
CXDC65166-33PB	SOT-23-5	BOOST	0.2A	3.3V	7uA	350KHz	12V	PFM
CXDC65166-36PB	SOT-23-5	BOOST	0.2A	3.6V	7uA	350KHz	12V	PFM
CXDC65166-50PB	SOT-23-5	BOOST	0.2A	5.0V	7uA	350KHz	12V	PFM