3A输出电流模式Buck-PWM转换器4.75V至20V电源电压CXSD62378固定500kHz开关频率热关机和内部软启动

The CXSD62378 is a high efficiency, 3A buck converter with a high-side low RDS(ON) switch. It operates from 4.75V to 20V input voltage range, and provides up to 3A continuous output current with the output voltage adjustable down to 1.2V. Whenever the load is light, the CXSD62378 automatically change the PWM operation mode to PFM operation to minimize the power consumption. Hence it is suitable for battery-powered devices. It uses a fixed switching frequency up to 500kHz. When a short circuit is detected on the output, the device change switching frequency to 50kHz to protect IC from damage. The GCXSD62378is available in a SOP-8 (FD) package.

产品特点 返回TOPG2z嘉泰姆

„ 4.75V to 20V Supply Voltage Operating Range G2z嘉泰姆

„ Fixed 500kHz Switching Frequency G2z嘉泰姆

„ Current-Mode Buck PWM Converter G2z嘉泰姆

„ Built-in P-Channel Power MOSFET G2z嘉泰姆

„ 3A Output Current G2z嘉泰姆

„ 1.2V Internal Reference G2z嘉泰姆

„ Shutdown Control G2z嘉泰姆

„ Thermal-Shutdown and Internal Soft Start G2z嘉泰姆

„ Cycle-by-Cycle Current-Limit G2z嘉泰姆

„ Short Circuit Protection G2z嘉泰姆

„ Under-Voltage Lockout ProtectionG2z嘉泰姆

„ RoHs Compliant G2z嘉泰姆

„ SOP-8 (FD) PackageG2z嘉泰姆

应用范围 返回TOPG2z嘉泰姆

„ Distributed Power Systems G2z嘉泰姆

„ Battery Charger G2z嘉泰姆

„ Palmtop Computers, PDAs G2z嘉泰姆

„ DSL ModemsG2z嘉泰姆

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QQ截图20160419174301.jpg G2z嘉泰姆

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Asynchronous Step Down ConverterG2z嘉泰姆
Part NO.G2z嘉泰姆	Vin(V)G2z嘉泰姆 min.G2z嘉泰姆	Vin(V)G2z嘉泰姆 max.G2z嘉泰姆	IOUTG2z嘉泰姆 (A)G2z嘉泰姆	FSWG2z嘉泰姆 (kHz)G2z嘉泰姆	FB(V)G2z嘉泰姆	DutyG2z嘉泰姆 max(%)G2z嘉泰姆	IQG2z嘉泰姆 (μA)G2z嘉泰姆	NoteG2z嘉泰姆	PackageG2z嘉泰姆
CXSD62374G2z嘉泰姆	4.5G2z嘉泰姆	24G2z嘉泰姆	1.5G2z嘉泰姆	1400G2z嘉泰姆	0.92G2z嘉泰姆	65G2z嘉泰姆	1300G2z嘉泰姆	BS, IN, LX,GND, FB, COMP, EN, SSG2z嘉泰姆	SOP-8(FD)G2z嘉泰姆
CXSD62375G2z嘉泰姆	5.5G2z嘉泰姆	20G2z嘉泰姆	3G2z嘉泰姆	300G2z嘉泰姆	0.8G2z嘉泰姆	100G2z嘉泰姆	1000G2z嘉泰姆	FB, EN, NC, IN, NC, LX, GND, NCG2z嘉泰姆	SOP-8G2z嘉泰姆
CXSD62376G2z嘉泰姆	5G2z嘉泰姆	14G2z嘉泰姆	2G2z嘉泰姆	500G2z嘉泰姆	0.8G2z嘉泰姆	100G2z嘉泰姆	300G2z嘉泰姆	GND, IN, GND, FB, COMP, EN, LX, LXG2z嘉泰姆	SOP-8G2z嘉泰姆
CXSD62377G2z嘉泰姆	4.75G2z嘉泰姆	20G2z嘉泰姆	2G2z嘉泰姆	500G2z嘉泰姆	1.2G2z嘉泰姆	100G2z嘉泰姆	1000G2z嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCG2z嘉泰姆	SOP-8G2z嘉泰姆
CXSD62378G2z嘉泰姆	4.75G2z嘉泰姆	20G2z嘉泰姆	3G2z嘉泰姆	500G2z嘉泰姆	1.2G2z嘉泰姆	100G2z嘉泰姆	1000G2z嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCG2z嘉泰姆	SOP-8(FD)G2z嘉泰姆
CXSD62379G2z嘉泰姆	4.75G2z嘉泰姆	20G2z嘉泰姆	2.5G2z嘉泰姆	500G2z嘉泰姆	0.8G2z嘉泰姆	100G2z嘉泰姆	1000G2z嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCG2z嘉泰姆	SOP-8G2z嘉泰姆
CXSD62380G2z嘉泰姆	4.75G2z嘉泰姆	20G2z嘉泰姆	2G2z嘉泰姆	380G2z嘉泰姆	1.22G2z嘉泰姆	100G2z嘉泰姆	1000G2z嘉泰姆	NC, IN, LX, GND, FB, EN, SSG2z嘉泰姆	SOP-8G2z嘉泰姆
CXSD62381G2z嘉泰姆	4.75G2z嘉泰姆	20G2z嘉泰姆	2G2z嘉泰姆	380G2z嘉泰姆	0.92G2z嘉泰姆	100G2z嘉泰姆	1000G2z嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SS, G2z嘉泰姆 NC*3IN, LX, GND, FB, COMP, EN, SSG2z嘉泰姆	SOP-8/MSOP-10(FD)G2z嘉泰姆
CXSD62382/3G2z嘉泰姆	4.75G2z嘉泰姆	20G2z嘉泰姆	3G2z嘉泰姆	380G2z嘉泰姆	1.22/0.92G2z嘉泰姆	100G2z嘉泰姆	1000G2z嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SSG2z嘉泰姆	SOP-8(FD)G2z嘉泰姆
CXSD62384G2z嘉泰姆	3G2z嘉泰姆	5.5G2z嘉泰姆	2G2z嘉泰姆	ADJG2z嘉泰姆	0.8G2z嘉泰姆	100G2z嘉泰姆	2000G2z嘉泰姆	COMP, GND, EN, IN, LX*2, FQEQ, FBG2z嘉泰姆	SOP-8G2z嘉泰姆
CXSD62385G2z嘉泰姆	3G2z嘉泰姆	5.5G2z嘉泰姆	4G2z嘉泰姆	ADJG2z嘉泰姆	0.8G2z嘉泰姆	100G2z嘉泰姆	2000G2z嘉泰姆	COMP, GND, EN, IN, LX, LX, FQEQ, FBG2z嘉泰姆	SOP-8(FD)G2z嘉泰姆
CXSD62386/AG2z嘉泰姆	4.5G2z嘉泰姆	24G2z嘉泰姆	2G2z嘉泰姆	380G2z嘉泰姆	1.22/0.92G2z嘉泰姆	90G2z嘉泰姆	1500G2z嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSG2z嘉泰姆	SOP-8/MSOP-10(FD)G2z嘉泰姆
CXSD62387/AG2z嘉泰姆	4.5G2z嘉泰姆	24G2z嘉泰姆	3G2z嘉泰姆	380G2z嘉泰姆	1.22/0.92G2z嘉泰姆	90G2z嘉泰姆	1500G2z嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSG2z嘉泰姆	SOP-(FD)/DIP-8/MSOP-10(FD)G2z嘉泰姆
CXSD62388/AG2z嘉泰姆	4.75G2z嘉泰姆	24G2z嘉泰姆	2G2z嘉泰姆	380G2z嘉泰姆	1.22/0.92G2z嘉泰姆	90G2z嘉泰姆	1500G2z嘉泰姆	SS/NC, BS, IN, LX, GND, FB, COMP, ENG2z嘉泰姆	SOP-8G2z嘉泰姆
CXSD62389G2z嘉泰姆	4.5G2z嘉泰姆	28G2z嘉泰姆	3G2z嘉泰姆	ADJG2z嘉泰姆	0.8G2z嘉泰姆	90G2z嘉泰姆	170G2z嘉泰姆	LX, EN, COMP, FB, GND, FREQ, IN, BSG2z嘉泰姆 Dutymax = 1 - (TOFFmin * 900K)G2z嘉泰姆	SOP-8(FD)/DIP-8/TDFN3X3-8G2z嘉泰姆
CXSD62390G2z嘉泰姆	7G2z嘉泰姆	18G2z嘉泰姆	4G2z嘉泰姆	400G2z嘉泰姆	0.8G2z嘉泰姆	90G2z嘉泰姆	700G2z嘉泰姆	EN, BS, IN, LX, VCC, GND, FB, COMPG2z嘉泰姆	SOP-8(FD)G2z嘉泰姆
CXSD62391G2z嘉泰姆	6.5G2z嘉泰姆	24G2z嘉泰姆	2G2z嘉泰姆	385G2z嘉泰姆	1.22/0.92G2z嘉泰姆	90G2z嘉泰姆	1500G2z嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSG2z嘉泰姆	SOP-8G2z嘉泰姆
CXSD62392G2z嘉泰姆	4.5G2z嘉泰姆	28G2z嘉泰姆	3G2z嘉泰姆	380G2z嘉泰姆	1.22G2z嘉泰姆	90G2z嘉泰姆	1500G2z嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSG2z嘉泰姆	SOP-8(FD)G2z嘉泰姆

目录

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