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TOP4jV嘉泰姆

„ 2A Output Current 4jV嘉泰姆

„ 0.15Ω Internal Power MOSFET Switch 4jV嘉泰姆

„ Stable with Low ESR Output Ceramic Capacitors 4jV嘉泰姆

„ Up to 95% Efficiency 4jV嘉泰姆

„ 30μA Shutdown Mode 4jV嘉泰姆

„ Fixed 385kHz Frequency 4jV嘉泰姆

„ Thermal Shutdown 4jV嘉泰姆

„ Cycle-by-Cycle Over Current Protection 4jV嘉泰姆

„ Wide 6.5V to 24V Operating Input Range 4jV嘉泰姆

„ Output Adjustable from 1.22V to 21.6V(CXSD62391) 4jV嘉泰姆

„ Output Adjustable from 0.92V to 21.6V(CXSD62391A) 4jV嘉泰姆

„ Available in SOP-8 Package4jV嘉泰姆

应用范围 返回TOP4jV嘉泰姆

„ PC Monitors 4jV嘉泰姆

„ DSL Modems 4jV嘉泰姆

„ Distributed Power Systems 4jV嘉泰姆

„ Pre-Regulator for Linear Regulators4jV嘉泰姆

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Asynchronous Step Down Converter4jV嘉泰姆
Part NO.4jV嘉泰姆	Vin(V)4jV嘉泰姆 min.4jV嘉泰姆	Vin(V)4jV嘉泰姆 max.4jV嘉泰姆	IOUT4jV嘉泰姆 (A)4jV嘉泰姆	FSW4jV嘉泰姆 (kHz)4jV嘉泰姆	FB(V)4jV嘉泰姆	Duty4jV嘉泰姆 max(%)4jV嘉泰姆	IQ4jV嘉泰姆 (μA)4jV嘉泰姆	Note4jV嘉泰姆	Package4jV嘉泰姆
CXSD623744jV嘉泰姆	4.54jV嘉泰姆	244jV嘉泰姆	1.54jV嘉泰姆	14004jV嘉泰姆	0.924jV嘉泰姆	654jV嘉泰姆	13004jV嘉泰姆	BS, IN, LX,GND, FB, COMP, EN, SS4jV嘉泰姆	SOP-8(FD)4jV嘉泰姆
CXSD623754jV嘉泰姆	5.54jV嘉泰姆	204jV嘉泰姆	34jV嘉泰姆	3004jV嘉泰姆	0.84jV嘉泰姆	1004jV嘉泰姆	10004jV嘉泰姆	FB, EN, NC, IN, NC, LX, GND, NC4jV嘉泰姆	SOP-84jV嘉泰姆
CXSD623764jV嘉泰姆	54jV嘉泰姆	144jV嘉泰姆	24jV嘉泰姆	5004jV嘉泰姆	0.84jV嘉泰姆	1004jV嘉泰姆	3004jV嘉泰姆	GND, IN, GND, FB, COMP, EN, LX, LX4jV嘉泰姆	SOP-84jV嘉泰姆
CXSD623774jV嘉泰姆	4.754jV嘉泰姆	204jV嘉泰姆	24jV嘉泰姆	5004jV嘉泰姆	1.24jV嘉泰姆	1004jV嘉泰姆	10004jV嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NC4jV嘉泰姆	SOP-84jV嘉泰姆
CXSD623784jV嘉泰姆	4.754jV嘉泰姆	204jV嘉泰姆	34jV嘉泰姆	5004jV嘉泰姆	1.24jV嘉泰姆	1004jV嘉泰姆	10004jV嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NC4jV嘉泰姆	SOP-8(FD)4jV嘉泰姆
CXSD623794jV嘉泰姆	4.754jV嘉泰姆	204jV嘉泰姆	2.54jV嘉泰姆	5004jV嘉泰姆	0.84jV嘉泰姆	1004jV嘉泰姆	10004jV嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NC4jV嘉泰姆	SOP-84jV嘉泰姆
CXSD623804jV嘉泰姆	4.754jV嘉泰姆	204jV嘉泰姆	24jV嘉泰姆	3804jV嘉泰姆	1.224jV嘉泰姆	1004jV嘉泰姆	10004jV嘉泰姆	NC, IN, LX, GND, FB, EN, SS4jV嘉泰姆	SOP-84jV嘉泰姆
CXSD623814jV嘉泰姆	4.754jV嘉泰姆	204jV嘉泰姆	24jV嘉泰姆	3804jV嘉泰姆	0.924jV嘉泰姆	1004jV嘉泰姆	10004jV嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SS, 4jV嘉泰姆 NC*3IN, LX, GND, FB, COMP, EN, SS4jV嘉泰姆	SOP-8/MSOP-10(FD)4jV嘉泰姆
CXSD62382/34jV嘉泰姆	4.754jV嘉泰姆	204jV嘉泰姆	34jV嘉泰姆	3804jV嘉泰姆	1.22/0.924jV嘉泰姆	1004jV嘉泰姆	10004jV嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SS4jV嘉泰姆	SOP-8(FD)4jV嘉泰姆
CXSD623844jV嘉泰姆	34jV嘉泰姆	5.54jV嘉泰姆	24jV嘉泰姆	ADJ4jV嘉泰姆	0.84jV嘉泰姆	1004jV嘉泰姆	20004jV嘉泰姆	COMP, GND, EN, IN, LX*2, FQEQ, FB4jV嘉泰姆	SOP-84jV嘉泰姆
CXSD623854jV嘉泰姆	34jV嘉泰姆	5.54jV嘉泰姆	44jV嘉泰姆	ADJ4jV嘉泰姆	0.84jV嘉泰姆	1004jV嘉泰姆	20004jV嘉泰姆	COMP, GND, EN, IN, LX, LX, FQEQ, FB4jV嘉泰姆	SOP-8(FD)4jV嘉泰姆
CXSD62386/A4jV嘉泰姆	4.54jV嘉泰姆	244jV嘉泰姆	24jV嘉泰姆	3804jV嘉泰姆	1.22/0.924jV嘉泰姆	904jV嘉泰姆	15004jV嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SS4jV嘉泰姆	SOP-8/MSOP-10(FD)4jV嘉泰姆
CXSD62387/A4jV嘉泰姆	4.54jV嘉泰姆	244jV嘉泰姆	34jV嘉泰姆	3804jV嘉泰姆	1.22/0.924jV嘉泰姆	904jV嘉泰姆	15004jV嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SS4jV嘉泰姆	SOP-(FD)/DIP-8/MSOP-10(FD)4jV嘉泰姆
CXSD62388/A4jV嘉泰姆	4.754jV嘉泰姆	244jV嘉泰姆	24jV嘉泰姆	3804jV嘉泰姆	1.22/0.924jV嘉泰姆	904jV嘉泰姆	15004jV嘉泰姆	SS/NC, BS, IN, LX, GND, FB, COMP, EN4jV嘉泰姆	SOP-84jV嘉泰姆
CXSD623894jV嘉泰姆	4.54jV嘉泰姆	284jV嘉泰姆	34jV嘉泰姆	ADJ4jV嘉泰姆	0.84jV嘉泰姆	904jV嘉泰姆	1704jV嘉泰姆	LX, EN, COMP, FB, GND, FREQ, IN, BS4jV嘉泰姆 Dutymax = 1 - (TOFFmin * 900K)4jV嘉泰姆	SOP-8(FD)/DIP-8/TDFN3X3-84jV嘉泰姆
CXSD623904jV嘉泰姆	74jV嘉泰姆	184jV嘉泰姆	44jV嘉泰姆	4004jV嘉泰姆	0.84jV嘉泰姆	904jV嘉泰姆	7004jV嘉泰姆	EN, BS, IN, LX, VCC, GND, FB, COMP4jV嘉泰姆	SOP-8(FD)4jV嘉泰姆
CXSD623914jV嘉泰姆	6.54jV嘉泰姆	244jV嘉泰姆	24jV嘉泰姆	3854jV嘉泰姆	1.22/0.924jV嘉泰姆	904jV嘉泰姆	15004jV嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SS4jV嘉泰姆	SOP-84jV嘉泰姆
CXSD623924jV嘉泰姆	4.54jV嘉泰姆	284jV嘉泰姆	34jV嘉泰姆	3804jV嘉泰姆	1.224jV嘉泰姆	904jV嘉泰姆	15004jV嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SS4jV嘉泰姆	SOP-8(FD)4jV嘉泰姆

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