CXSD61061 180KHz fixed frequency PWM buck (step-down) DC/DC converter 1.2A load with high efficiency load regulation

CXSD61061 Requiring a minimum number of external components, the regulator is simple to use and include internal frequency compensation and a fixed-frequency oscillator.
The PWM control circuit is able to adjust the duty ratio linearly from 0 to 100%.

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 CXSD61061 is a 180KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of driving a 1.2A load with high efficiency, low ripple and excellent line and load regulation. Requiring a minimum number of external components, the regulator is simple to use and include internal frequency compensation and a fixed-frequency oscillator. 

The PWM control circuit is able to adjust the duty ratio linearly from 0 to 100%. An over current protection function is built inside. When short protection function happens, the operation frequency will be reduced from 180KHz to 36KHz. An internal compensation block is built in to minimize external component count.

   产品特点 返回TOP

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n Wide 10V to 70V Input Voltage Range 

n Output Adjustable from 1.25V to 50V 

n Maximum Duty Cycle 100% 

n Minimum Drop Out 0.3V 

n Fixed 180KHz Switching Frequency 

n Maximum 1.2A Switching Current 

n Internal Optimize Power MOSFET 

n Recommend output power less than 10W 

n High efficiency 

n Excellent line and load regulation 

n Built in thermal shutdown function 

n Built in current limit function 

n Built in output short protection function 

n Available in SOP8L package

   应用范围 返回TOP

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n Car Charger 

n Battery Charger 

n Ebike controller power supply 

n Portable instrument power supply 

n Telecom / Networking Equipmen

   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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大电流DC-DC降压IC
型号	输入耐压	输出电压	输出电流	反馈电压	工作频率	效率	静态工作电流	封装
CXSD61066	40V	可调输出	4A	1.25V	180K	94%	2.1mA	TO-252-5L
CXSD61058	36V	可调输出	5A	1.22V	240K	95%	3.6mA	TO-263-5L
CXSD61059	40V	可调输出	5A	1.25V	180K	96%	2.1mA	TO-263-5L
CXSD61059B	45V	可调输出	8A	1.25V	180K	96%	2.1mA	TO-220-5L
CXSD61060	40V	可调输出带CC/CV模式	5A	1.25V	150K	86%	2mA	TO-263-5L
耐高压DC-DC降压IC
型号	输入耐压	输出电压	输出电流	反馈电压	工作频率	效率	静态工作电流	封装
CXSD61061	75V	1.25-50V可调输出	1.2A/5V	1.25V	180K	92%	3mA	SOP8
CXSD61061B	85V	1.25-20V可调输出	0.4A/5V	1.25V	150K	85%	2.5mA	ESOP8
CXSD61061C	100V	1.25-88V可调输出	0.5A/5V,0.3A/15V	1.25V	150K	85%	3mA	ESOP8
CXSD61061D	100V	1.25-20V可调输出	0.6A/5V,0.3A/15V	1.25V	150K	85%	2.5mA	ESOP8
CXSD61062	65V	1.35-50V可调输出	0.5A/5V,0.35A/15V	1.35V	75K	94%	5mA	SOP8
CXSD61063B	85V	1.25-20V可调输出	0.8A/5V	1.25V	150K	85%	2.5mA	TO252-5L
CXSD61064	85V	1.25-20V可调输出	0.6A/5V,0.3A/15V	1.25V	150K	85%	2.5mA	TO-252-5L
CXSD61064A	85V	1.25-20V可调输出	1A/5V,0.6A/15V	1.25V	150K	85%	2.5mA	TO-263-5L
CXSD61065	90V	1.25-20V可调输出	2.1A/5V,1A/15V	1.25V	150K	90%	2.5mA	TO-220-7