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TOPPp5嘉泰姆

„ 4.75V to 20V Supply Voltage Operating Range Pp5嘉泰姆

„ Fixed 500kHz Switching Frequency Pp5嘉泰姆

„ Current-Mode Buck PWM Converter Pp5嘉泰姆

„ Built-in P-Channel Power MOSFET Pp5嘉泰姆

„ 3A Output Current Pp5嘉泰姆

„ 1.2V Internal Reference Pp5嘉泰姆

„ Shutdown Control Pp5嘉泰姆

„ Thermal-Shutdown and Internal Soft Start Pp5嘉泰姆

„ Cycle-by-Cycle Current-Limit Pp5嘉泰姆

„ Short Circuit Protection Pp5嘉泰姆

„ Under-Voltage Lockout ProtectionPp5嘉泰姆

„ RoHs Compliant Pp5嘉泰姆

„ SOP-8 (FD) PackagePp5嘉泰姆

应用范围 返回TOPPp5嘉泰姆

„ Distributed Power Systems Pp5嘉泰姆

„ Battery Charger Pp5嘉泰姆

„ Palmtop Computers, PDAs Pp5嘉泰姆

„ DSL ModemsPp5嘉泰姆

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QQ截图20160419174301.jpg Pp5嘉泰姆

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Asynchronous Step Down ConverterPp5嘉泰姆
Part NO.Pp5嘉泰姆	Vin(V)Pp5嘉泰姆 min.Pp5嘉泰姆	Vin(V)Pp5嘉泰姆 max.Pp5嘉泰姆	IOUTPp5嘉泰姆 (A)Pp5嘉泰姆	FSWPp5嘉泰姆 (kHz)Pp5嘉泰姆	FB(V)Pp5嘉泰姆	DutyPp5嘉泰姆 max(%)Pp5嘉泰姆	IQPp5嘉泰姆 (μA)Pp5嘉泰姆	NotePp5嘉泰姆	PackagePp5嘉泰姆
CXSD62374Pp5嘉泰姆	4.5Pp5嘉泰姆	24Pp5嘉泰姆	1.5Pp5嘉泰姆	1400Pp5嘉泰姆	0.92Pp5嘉泰姆	65Pp5嘉泰姆	1300Pp5嘉泰姆	BS, IN, LX,GND, FB, COMP, EN, SSPp5嘉泰姆	SOP-8(FD)Pp5嘉泰姆
CXSD62375Pp5嘉泰姆	5.5Pp5嘉泰姆	20Pp5嘉泰姆	3Pp5嘉泰姆	300Pp5嘉泰姆	0.8Pp5嘉泰姆	100Pp5嘉泰姆	1000Pp5嘉泰姆	FB, EN, NC, IN, NC, LX, GND, NCPp5嘉泰姆	SOP-8Pp5嘉泰姆
CXSD62376Pp5嘉泰姆	5Pp5嘉泰姆	14Pp5嘉泰姆	2Pp5嘉泰姆	500Pp5嘉泰姆	0.8Pp5嘉泰姆	100Pp5嘉泰姆	300Pp5嘉泰姆	GND, IN, GND, FB, COMP, EN, LX, LXPp5嘉泰姆	SOP-8Pp5嘉泰姆
CXSD62377Pp5嘉泰姆	4.75Pp5嘉泰姆	20Pp5嘉泰姆	2Pp5嘉泰姆	500Pp5嘉泰姆	1.2Pp5嘉泰姆	100Pp5嘉泰姆	1000Pp5嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCPp5嘉泰姆	SOP-8Pp5嘉泰姆
CXSD62378Pp5嘉泰姆	4.75Pp5嘉泰姆	20Pp5嘉泰姆	3Pp5嘉泰姆	500Pp5嘉泰姆	1.2Pp5嘉泰姆	100Pp5嘉泰姆	1000Pp5嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCPp5嘉泰姆	SOP-8(FD)Pp5嘉泰姆
CXSD62379Pp5嘉泰姆	4.75Pp5嘉泰姆	20Pp5嘉泰姆	2.5Pp5嘉泰姆	500Pp5嘉泰姆	0.8Pp5嘉泰姆	100Pp5嘉泰姆	1000Pp5嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCPp5嘉泰姆	SOP-8Pp5嘉泰姆
CXSD62380Pp5嘉泰姆	4.75Pp5嘉泰姆	20Pp5嘉泰姆	2Pp5嘉泰姆	380Pp5嘉泰姆	1.22Pp5嘉泰姆	100Pp5嘉泰姆	1000Pp5嘉泰姆	NC, IN, LX, GND, FB, EN, SSPp5嘉泰姆	SOP-8Pp5嘉泰姆
CXSD62381Pp5嘉泰姆	4.75Pp5嘉泰姆	20Pp5嘉泰姆	2Pp5嘉泰姆	380Pp5嘉泰姆	0.92Pp5嘉泰姆	100Pp5嘉泰姆	1000Pp5嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SS, Pp5嘉泰姆 NC*3IN, LX, GND, FB, COMP, EN, SSPp5嘉泰姆	SOP-8/MSOP-10(FD)Pp5嘉泰姆
CXSD62382/3Pp5嘉泰姆	4.75Pp5嘉泰姆	20Pp5嘉泰姆	3Pp5嘉泰姆	380Pp5嘉泰姆	1.22/0.92Pp5嘉泰姆	100Pp5嘉泰姆	1000Pp5嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SSPp5嘉泰姆	SOP-8(FD)Pp5嘉泰姆
CXSD62384Pp5嘉泰姆	3Pp5嘉泰姆	5.5Pp5嘉泰姆	2Pp5嘉泰姆	ADJPp5嘉泰姆	0.8Pp5嘉泰姆	100Pp5嘉泰姆	2000Pp5嘉泰姆	COMP, GND, EN, IN, LX*2, FQEQ, FBPp5嘉泰姆	SOP-8Pp5嘉泰姆
CXSD62385Pp5嘉泰姆	3Pp5嘉泰姆	5.5Pp5嘉泰姆	4Pp5嘉泰姆	ADJPp5嘉泰姆	0.8Pp5嘉泰姆	100Pp5嘉泰姆	2000Pp5嘉泰姆	COMP, GND, EN, IN, LX, LX, FQEQ, FBPp5嘉泰姆	SOP-8(FD)Pp5嘉泰姆
CXSD62386/APp5嘉泰姆	4.5Pp5嘉泰姆	24Pp5嘉泰姆	2Pp5嘉泰姆	380Pp5嘉泰姆	1.22/0.92Pp5嘉泰姆	90Pp5嘉泰姆	1500Pp5嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSPp5嘉泰姆	SOP-8/MSOP-10(FD)Pp5嘉泰姆
CXSD62387/APp5嘉泰姆	4.5Pp5嘉泰姆	24Pp5嘉泰姆	3Pp5嘉泰姆	380Pp5嘉泰姆	1.22/0.92Pp5嘉泰姆	90Pp5嘉泰姆	1500Pp5嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSPp5嘉泰姆	SOP-(FD)/DIP-8/MSOP-10(FD)Pp5嘉泰姆
CXSD62388/APp5嘉泰姆	4.75Pp5嘉泰姆	24Pp5嘉泰姆	2Pp5嘉泰姆	380Pp5嘉泰姆	1.22/0.92Pp5嘉泰姆	90Pp5嘉泰姆	1500Pp5嘉泰姆	SS/NC, BS, IN, LX, GND, FB, COMP, ENPp5嘉泰姆	SOP-8Pp5嘉泰姆
CXSD62389Pp5嘉泰姆	4.5Pp5嘉泰姆	28Pp5嘉泰姆	3Pp5嘉泰姆	ADJPp5嘉泰姆	0.8Pp5嘉泰姆	90Pp5嘉泰姆	170Pp5嘉泰姆	LX, EN, COMP, FB, GND, FREQ, IN, BSPp5嘉泰姆 Dutymax = 1 - (TOFFmin * 900K)Pp5嘉泰姆	SOP-8(FD)/DIP-8/TDFN3X3-8Pp5嘉泰姆
CXSD62390Pp5嘉泰姆	7Pp5嘉泰姆	18Pp5嘉泰姆	4Pp5嘉泰姆	400Pp5嘉泰姆	0.8Pp5嘉泰姆	90Pp5嘉泰姆	700Pp5嘉泰姆	EN, BS, IN, LX, VCC, GND, FB, COMPPp5嘉泰姆	SOP-8(FD)Pp5嘉泰姆
CXSD62391Pp5嘉泰姆	6.5Pp5嘉泰姆	24Pp5嘉泰姆	2Pp5嘉泰姆	385Pp5嘉泰姆	1.22/0.92Pp5嘉泰姆	90Pp5嘉泰姆	1500Pp5嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSPp5嘉泰姆	SOP-8Pp5嘉泰姆
CXSD62392Pp5嘉泰姆	4.5Pp5嘉泰姆	28Pp5嘉泰姆	3Pp5嘉泰姆	380Pp5嘉泰姆	1.22Pp5嘉泰姆	90Pp5嘉泰姆	1500Pp5嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSPp5嘉泰姆	SOP-8(FD)Pp5嘉泰姆

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