2A输出电流功率MOSFET的单片降压开关模式稳压器CXSD62391输出短路保护负载和线路调节

The CXSD62391 is a monolithic step-down switch mode regulator with a built in internal power MOSFET. It achieves 2A continuous output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization. Fault condition protection includes cycle-by-cycle current limiting, output short circuit protection and thermal shutdown. In shutdown mode the regulator draws 30μA of supply current. Programmable soft-start overwrites the internal soft-start for various requirement of output power up ramp and minimizes the inrush supply current at initial startup. The CXSD62391 requires a minimum number of readily available standard external components. It is available in a SOP-8 package

产品特点 返回TOPUea嘉泰姆

„ 2A Output Current Uea嘉泰姆

„ 0.15Ω Internal Power MOSFET Switch Uea嘉泰姆

„ Stable with Low ESR Output Ceramic Capacitors Uea嘉泰姆

„ Up to 95% Efficiency Uea嘉泰姆

„ 30μA Shutdown Mode Uea嘉泰姆

„ Fixed 385kHz Frequency Uea嘉泰姆

„ Thermal Shutdown Uea嘉泰姆

„ Cycle-by-Cycle Over Current Protection Uea嘉泰姆

„ Wide 6.5V to 24V Operating Input Range Uea嘉泰姆

„ Output Adjustable from 1.22V to 21.6V(CXSD62391) Uea嘉泰姆

„ Output Adjustable from 0.92V to 21.6V(CXSD62391A) Uea嘉泰姆

„ Available in SOP-8 PackageUea嘉泰姆

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Asynchronous Step Down ConverterUea嘉泰姆
Part NO.Uea嘉泰姆	Vin(V)Uea嘉泰姆 min.Uea嘉泰姆	Vin(V)Uea嘉泰姆 max.Uea嘉泰姆	IOUTUea嘉泰姆 (A)Uea嘉泰姆	FSWUea嘉泰姆 (kHz)Uea嘉泰姆	FB(V)Uea嘉泰姆	DutyUea嘉泰姆 max(%)Uea嘉泰姆	IQUea嘉泰姆 (μA)Uea嘉泰姆	NoteUea嘉泰姆	PackageUea嘉泰姆
CXSD62374Uea嘉泰姆	4.5Uea嘉泰姆	24Uea嘉泰姆	1.5Uea嘉泰姆	1400Uea嘉泰姆	0.92Uea嘉泰姆	65Uea嘉泰姆	1300Uea嘉泰姆	BS, IN, LX,GND, FB, COMP, EN, SSUea嘉泰姆	SOP-8(FD)Uea嘉泰姆
CXSD62375Uea嘉泰姆	5.5Uea嘉泰姆	20Uea嘉泰姆	3Uea嘉泰姆	300Uea嘉泰姆	0.8Uea嘉泰姆	100Uea嘉泰姆	1000Uea嘉泰姆	FB, EN, NC, IN, NC, LX, GND, NCUea嘉泰姆	SOP-8Uea嘉泰姆
CXSD62376Uea嘉泰姆	5Uea嘉泰姆	14Uea嘉泰姆	2Uea嘉泰姆	500Uea嘉泰姆	0.8Uea嘉泰姆	100Uea嘉泰姆	300Uea嘉泰姆	GND, IN, GND, FB, COMP, EN, LX, LXUea嘉泰姆	SOP-8Uea嘉泰姆
CXSD62377Uea嘉泰姆	4.75Uea嘉泰姆	20Uea嘉泰姆	2Uea嘉泰姆	500Uea嘉泰姆	1.2Uea嘉泰姆	100Uea嘉泰姆	1000Uea嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCUea嘉泰姆	SOP-8Uea嘉泰姆
CXSD62378Uea嘉泰姆	4.75Uea嘉泰姆	20Uea嘉泰姆	3Uea嘉泰姆	500Uea嘉泰姆	1.2Uea嘉泰姆	100Uea嘉泰姆	1000Uea嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCUea嘉泰姆	SOP-8(FD)Uea嘉泰姆
CXSD62379Uea嘉泰姆	4.75Uea嘉泰姆	20Uea嘉泰姆	2.5Uea嘉泰姆	500Uea嘉泰姆	0.8Uea嘉泰姆	100Uea嘉泰姆	1000Uea嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCUea嘉泰姆	SOP-8Uea嘉泰姆
CXSD62380Uea嘉泰姆	4.75Uea嘉泰姆	20Uea嘉泰姆	2Uea嘉泰姆	380Uea嘉泰姆	1.22Uea嘉泰姆	100Uea嘉泰姆	1000Uea嘉泰姆	NC, IN, LX, GND, FB, EN, SSUea嘉泰姆	SOP-8Uea嘉泰姆
CXSD62381Uea嘉泰姆	4.75Uea嘉泰姆	20Uea嘉泰姆	2Uea嘉泰姆	380Uea嘉泰姆	0.92Uea嘉泰姆	100Uea嘉泰姆	1000Uea嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SS, Uea嘉泰姆 NC*3IN, LX, GND, FB, COMP, EN, SSUea嘉泰姆	SOP-8/MSOP-10(FD)Uea嘉泰姆
CXSD62382/3Uea嘉泰姆	4.75Uea嘉泰姆	20Uea嘉泰姆	3Uea嘉泰姆	380Uea嘉泰姆	1.22/0.92Uea嘉泰姆	100Uea嘉泰姆	1000Uea嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SSUea嘉泰姆	SOP-8(FD)Uea嘉泰姆
CXSD62384Uea嘉泰姆	3Uea嘉泰姆	5.5Uea嘉泰姆	2Uea嘉泰姆	ADJUea嘉泰姆	0.8Uea嘉泰姆	100Uea嘉泰姆	2000Uea嘉泰姆	COMP, GND, EN, IN, LX*2, FQEQ, FBUea嘉泰姆	SOP-8Uea嘉泰姆
CXSD62385Uea嘉泰姆	3Uea嘉泰姆	5.5Uea嘉泰姆	4Uea嘉泰姆	ADJUea嘉泰姆	0.8Uea嘉泰姆	100Uea嘉泰姆	2000Uea嘉泰姆	COMP, GND, EN, IN, LX, LX, FQEQ, FBUea嘉泰姆	SOP-8(FD)Uea嘉泰姆
CXSD62386/AUea嘉泰姆	4.5Uea嘉泰姆	24Uea嘉泰姆	2Uea嘉泰姆	380Uea嘉泰姆	1.22/0.92Uea嘉泰姆	90Uea嘉泰姆	1500Uea嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSUea嘉泰姆	SOP-8/MSOP-10(FD)Uea嘉泰姆
CXSD62387/AUea嘉泰姆	4.5Uea嘉泰姆	24Uea嘉泰姆	3Uea嘉泰姆	380Uea嘉泰姆	1.22/0.92Uea嘉泰姆	90Uea嘉泰姆	1500Uea嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSUea嘉泰姆	SOP-(FD)/DIP-8/MSOP-10(FD)Uea嘉泰姆
CXSD62388/AUea嘉泰姆	4.75Uea嘉泰姆	24Uea嘉泰姆	2Uea嘉泰姆	380Uea嘉泰姆	1.22/0.92Uea嘉泰姆	90Uea嘉泰姆	1500Uea嘉泰姆	SS/NC, BS, IN, LX, GND, FB, COMP, ENUea嘉泰姆	SOP-8Uea嘉泰姆
CXSD62389Uea嘉泰姆	4.5Uea嘉泰姆	28Uea嘉泰姆	3Uea嘉泰姆	ADJUea嘉泰姆	0.8Uea嘉泰姆	90Uea嘉泰姆	170Uea嘉泰姆	LX, EN, COMP, FB, GND, FREQ, IN, BSUea嘉泰姆 Dutymax = 1 - (TOFFmin * 900K)Uea嘉泰姆	SOP-8(FD)/DIP-8/TDFN3X3-8Uea嘉泰姆
CXSD62390Uea嘉泰姆	7Uea嘉泰姆	18Uea嘉泰姆	4Uea嘉泰姆	400Uea嘉泰姆	0.8Uea嘉泰姆	90Uea嘉泰姆	700Uea嘉泰姆	EN, BS, IN, LX, VCC, GND, FB, COMPUea嘉泰姆	SOP-8(FD)Uea嘉泰姆
CXSD62391Uea嘉泰姆	6.5Uea嘉泰姆	24Uea嘉泰姆	2Uea嘉泰姆	385Uea嘉泰姆	1.22/0.92Uea嘉泰姆	90Uea嘉泰姆	1500Uea嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSUea嘉泰姆	SOP-8Uea嘉泰姆
CXSD62392Uea嘉泰姆	4.5Uea嘉泰姆	28Uea嘉泰姆	3Uea嘉泰姆	380Uea嘉泰姆	1.22Uea嘉泰姆	90Uea嘉泰姆	1500Uea嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSUea嘉泰姆	SOP-8(FD)Uea嘉泰姆

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