CXAS42277集成双通道负载开关输入电压范围0.8-V至5.5V双超低导通电阻10mΩ每个通道的6A连续开关电流低阈值控制输入可调回转率控制快速输出放电晶体管输入直接与低压GPIO控制信号接口

CXAS42277是为高边载开关应用而设计的双N沟道MOSFET功率开关，该器件的典型RDS（ON）为10米，输出电流限制为6安。每个开关都由一个开/关输入（EN1，EN2）独立控制，该输入能够直接与低压GPIO控制信号接口。在CXAS42277中，当开关断开时，增加了一个320Ω片上负载电阻器，用于快速输出放电（QOD）。装置的上升时间由内部控制，以避免涌入电流，并可使用CTx引脚上的陶瓷电容器进行调整。CXAS42277有10针AQFN封装

集成双通道负载开关
·输入电压范围：0.8-V至5.5V
双超低导通电阻（10mΩ）
每个通道的6A连续开关电流
低阈值控制输入
可调回转率控制
快速输出放电晶体管

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 CXAS42277 is dual N-channel MOSFET power switch designed for high-sideload-switching applications, and the device has a typical RDS(ON) of 10m and the output current is limited to 6A. Each switch is independently controlled by an on/off input (EN1, EN2), which is capable of interfacing directly with low-voltage GPIO control signals. In the CXAS42277, a 320Ω on-chip load resistor is added for quick output discharge (QOD) when the switch is turned off. The rise time of the device is internally controlled in order to avoid in-rush current and can be adjusted using a ceramic capacitor on the CTx pins. The CXAS42277 is available in 10 pin AQFN package

   产品特点 返回TOP

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„ Integrated Dual Channel Load Switch 

„ Input Voltage Range: 0.8-V to 5.5V 

„ Dual Ultra-low ON-Resistance (10mΩ) 

„ 6A Continuous Switch Current per channel 

„ Low Threshold Control Inputs 

„ Adjustable Slew-rate Control 

„ Quick Output Discharge Transistor 

„ 10 Pin AQFN Package

   应用范围 返回TOP

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„ Notebooks / Netbooks 

„ Tablet PCs 

„ Consumer Electronics 

„ Set-Top-Boxes 

„ Industrial Systems 

„ Telecom Systems

   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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Dual Power Switch
Part NO.	Vin(V) min.	Vin(V) max.	RON (Ohm)	VOUT rising   (μs)	Ilimit (A)	OC Flag	Discharge (Ohm)	Note	Package
CXAS42277	0.8	5.5	10	ADJ	6	N	220	3V ~ 5V Vbias  Needs	AQFN2X2-10
CXAS42278	0.8	5.5	16	ADJ	6	N	220	3V   ~ 5V Vbias Needs	TDFN2X3-14
CXAS42279	2	5.5	87	400	2	Y	200	UL,CB,A/B/C/D/ ILimit=2A/1.5A/1A/0.75A	SOP-8
CXAS42280	2.7	5.5	100	400	1	Y	N	UL,   CB	SOP-8
CXAS42281	2.7	5.5	74	1000	2	Y	N	SS	TDFN2X2-8
CXAS42282	2.7	5.5	72	400	2	Y	N	UL,CB,EOUT1/2 ILimit=2A/1A, A/B/C/D/ ILimit=2A/1.5A/1A/0.75A	TDFN3X3-10
CXAS42283	2.7	5.5	118	400	0.45	Y	N	N/A	SOP-8
CXAS42284	2.7	5.5	118	400	2	Y	N	N/A	SOP-8
CXAS42285/6	2.3	5.5	200	--	0.27	Y	N	A/B/C/D ILimit=0.27A/0.17A/0.25A/0.15A	TSOT-23-5