CXSD6260 5A恒定输出电流宽8V至36V输入电压优化功率MOSFET短路保护pwm控制

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发表时间：2020-04-19浏览次数：62

CXSD6260 5A恒定输出电流宽8V至36V输入电压优化功率MOSFET短路保护pwm控制

目录3Pi嘉泰姆

1.产品概述 2.产品特点 3.应用范围 4.技术规格书下载（产品PDF文档） 3Pi嘉泰姆
5.产品封装图 6.电路原理图 7.功能概述 8.相关产品3Pi嘉泰姆

3Pi嘉泰姆

一,产品概述(General Description) 3Pi嘉泰姆
3Pi嘉泰姆
The CXSD6260 is a 180 KHz fixed frequency PWM buck (step-down)3Pi嘉泰姆
DC/DC converter,capable of driving a 5A load with high efficiency, low ripple3Pi嘉泰姆
and excellent line and load regulation. Requiring a minimum number of external components, the regulator is simple to use and include internal frequency 3Pi嘉泰姆
compensation and a fixed-frequency oscillator.3Pi嘉泰姆
The PWM control circuit is able to adjust the duty ratio linearly from 0 to 100%.3Pi嘉泰姆
An over current protection function is built inside.When short protection function3Pi嘉泰姆
happens, the operation frequency will be reduced from 180KHz to 48KHz. An internal compensation block is built in to minimize external component count3Pi嘉泰姆
二.产品特点(Features)3Pi嘉泰姆
3Pi嘉泰姆
Wide 8V to 36V Input Voltage Range3Pi嘉泰姆
Output Adjustable from 1.25V to 32V3Pi嘉泰姆
Maximum Duty Cycle 100%3Pi嘉泰姆
Minimum Drop Out 0.3V
Fixed 180KHz Switching Frequency3Pi嘉泰姆
5A Constant Output Current Capability3Pi嘉泰姆
Internal Optimize Power MOSFET3Pi嘉泰姆
High efficiency up to 96%3Pi嘉泰姆
Excellent line and load regulation3Pi嘉泰姆
Built in thermal shutdown function3Pi嘉泰姆
Built in current limit function3Pi嘉泰姆
Built in output short protection function3Pi嘉泰姆
Available in TO263-5L package3Pi嘉泰姆
三,应用范围 (Applications)3Pi嘉泰姆
3Pi嘉泰姆
LCD Monitor and LCD TV3Pi嘉泰姆
Portable instrument power supply3Pi嘉泰姆
Telecom / Networking Equipment3Pi嘉泰姆
四.技术规格书下载（产品PDF）3Pi嘉泰姆
3Pi嘉泰姆

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！3Pi嘉泰姆

QQ截图20160419174301.jpg 3Pi嘉泰姆

五,产品封装图 (Package)3Pi嘉泰姆
3Pi嘉泰姆
3Pi嘉泰姆

Pin Number3Pi嘉泰姆	Pin Name3Pi嘉泰姆	Description3Pi嘉泰姆
13Pi嘉泰姆	GND3Pi嘉泰姆	Ground Pin. Care must be taken in layout. This pin should be3Pi嘉泰姆 placed outside of the Schottky Diode to output capacitor3Pi嘉泰姆 ground path to prevent switching current spikes from inducing3Pi嘉泰姆 voltage noise into CXSD6260.3Pi嘉泰姆
23Pi嘉泰姆	FB3Pi嘉泰姆	Feedback Pin (FB). Through an external resistor divider3Pi嘉泰姆 network, FB senses the output voltage and regulates it. The3Pi嘉泰姆 feedback threshold voltage is 1.25V.3Pi嘉泰姆
33Pi嘉泰姆	SW3Pi嘉泰姆	Power Switch Output Pin (SW). SW is the switch node that3Pi嘉泰姆 supplies power to the output.3Pi嘉泰姆
43Pi嘉泰姆	VC3Pi嘉泰姆	Internal Voltage Regulator Bypass Capacity. In typical system3Pi嘉泰姆 application, The VC pin connect a 1uf capacity to VIN.3Pi嘉泰姆
53Pi嘉泰姆	VIN3Pi嘉泰姆	Supply Voltage Input Pin. CXSD6260 operates from a 8V to 36V3Pi嘉泰姆 DC voltage. Bypass Vin to GND with a suitably large3Pi嘉泰姆 capacitor to eliminate noise on the input.3Pi嘉泰姆

六.电路原理图3Pi嘉泰姆
3Pi嘉泰姆
3Pi嘉泰姆

七,功能概述3Pi嘉泰姆
3Pi嘉泰姆

Parameter3Pi嘉泰姆	Symbol3Pi嘉泰姆	Value3Pi嘉泰姆	Unit3Pi嘉泰姆
Input Voltage3Pi嘉泰姆	Vin3Pi嘉泰姆	-0.3 to 403Pi嘉泰姆	V3Pi嘉泰姆
Feedback Pin Voltage3Pi嘉泰姆	VFB3Pi嘉泰姆	-0.3 to Vin3Pi嘉泰姆	V3Pi嘉泰姆
Output Switch Pin Voltage3Pi嘉泰姆	VOutput3Pi嘉泰姆	-0.3 to Vin3Pi嘉泰姆	V3Pi嘉泰姆
Power Dissipation3Pi嘉泰姆	PD3Pi嘉泰姆	Internally limited3Pi嘉泰姆	mW3Pi嘉泰姆
Thermal Resistance (TO263-5L)3Pi嘉泰姆 (Junction to Ambient, No Heatsink, Free Air)3Pi嘉泰姆	RJA3Pi嘉泰姆	303Pi嘉泰姆	oC/W3Pi嘉泰姆
Operating Junction Temperature3Pi嘉泰姆	TJ3Pi嘉泰姆	-40 to 1253Pi嘉泰姆	oC3Pi嘉泰姆
Storage Temperature3Pi嘉泰姆	TSTG3Pi嘉泰姆	-65 to 1503Pi嘉泰姆	oC3Pi嘉泰姆
Lead Temperature (Soldering, 10 sec)3Pi嘉泰姆	TLEAD3Pi嘉泰姆	2603Pi嘉泰姆	oC3Pi嘉泰姆
ESD (HBM)3Pi嘉泰姆		>20003Pi嘉泰姆	V3Pi嘉泰姆

八,相关芯片选择指南3Pi嘉泰姆
3Pi嘉泰姆

降压型直流电源变换器芯片(大功率型)3Pi嘉泰姆
产品型号3Pi嘉泰姆	输入电压3Pi嘉泰姆	开关电流3Pi嘉泰姆	开关频率3Pi嘉泰姆	电压版本3Pi嘉泰姆	封装类型3Pi嘉泰姆
CXSD62573Pi嘉泰姆	5V ~ 32V3Pi嘉泰姆	4A3Pi嘉泰姆	300KHz3Pi嘉泰姆	Adj (0.8V)3Pi嘉泰姆	TO252-5L3Pi嘉泰姆
CXSD62583Pi嘉泰姆	5V ~ 32V3Pi嘉泰姆	5A3Pi嘉泰姆	300KHz3Pi嘉泰姆	Adj (0.8V)3Pi嘉泰姆	TO263-5L3Pi嘉泰姆
CXSD62593Pi嘉泰姆	8V ~ 36V3Pi嘉泰姆	4A3Pi嘉泰姆	180KHz3Pi嘉泰姆	Adj (1.25V)3Pi嘉泰姆	TO252-5L3Pi嘉泰姆
CXSD62603Pi嘉泰姆	8V ~ 36V3Pi嘉泰姆	5A3Pi嘉泰姆	180KHz3Pi嘉泰姆	Adj (1.25V)3Pi嘉泰姆	TO263-5L3Pi嘉泰姆
CXSD62613Pi嘉泰姆	8V ~ 40V3Pi嘉泰姆	8A3Pi嘉泰姆	180KHz3Pi嘉泰姆	Adj (1.25V)3Pi嘉泰姆	TO220-5L3Pi嘉泰姆

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