4A输出电流功率MOSFET的单片降压开关模式稳压器CXSD62390固定400kHz频率7V至18V工作输入

The CXSD62390 is a monolithic step-down switch mode regulator with a built in internal power MOSFET. It achieves 4A 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 25μA 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 CXSD62390 requires a minimum number of readily available standard external components. It is available in a DIP-8 and SOP-8 (FD) package.

产品特点 返回TOPk5V嘉泰姆

„ 4A Output Current k5V嘉泰姆

„ Stable with Low ESR Output Ceramic Capacitors k5V嘉泰姆

„ Up to 90% Efficiency k5V嘉泰姆

„ 25μA Shutdown Mode k5V嘉泰姆

„ Fixed 400kHz Frequency k5V嘉泰姆

„ Thermal Shutdown k5V嘉泰姆

„ Cycle-by-Cycle Over Current Protection k5V嘉泰姆

„ Wide 7V to 18V Operating Input Range k5V嘉泰姆

„ Available in DIP-8 and SOP-8 (FD) Packagek5V嘉泰姆

应用范围 返回TOPk5V嘉泰姆

„ PC Monitors k5V嘉泰姆

„ DSL Modems k5V嘉泰姆

„ Distributed Power Systems k5V嘉泰姆

„ Pre-Regulator for Linear Regulatorsk5V嘉泰姆

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Asynchronous Step Down Converterk5V嘉泰姆
Part NO.k5V嘉泰姆	Vin(V)k5V嘉泰姆 min.k5V嘉泰姆	Vin(V)k5V嘉泰姆 max.k5V嘉泰姆	IOUTk5V嘉泰姆 (A)k5V嘉泰姆	FSWk5V嘉泰姆 (kHz)k5V嘉泰姆	FB(V)k5V嘉泰姆	Dutyk5V嘉泰姆 max(%)k5V嘉泰姆	IQk5V嘉泰姆 (μA)k5V嘉泰姆	Notek5V嘉泰姆	Packagek5V嘉泰姆
CXSD62374k5V嘉泰姆	4.5k5V嘉泰姆	24k5V嘉泰姆	1.5k5V嘉泰姆	1400k5V嘉泰姆	0.92k5V嘉泰姆	65k5V嘉泰姆	1300k5V嘉泰姆	BS, IN, LX,GND, FB, COMP, EN, SSk5V嘉泰姆	SOP-8(FD)k5V嘉泰姆
CXSD62375k5V嘉泰姆	5.5k5V嘉泰姆	20k5V嘉泰姆	3k5V嘉泰姆	300k5V嘉泰姆	0.8k5V嘉泰姆	100k5V嘉泰姆	1000k5V嘉泰姆	FB, EN, NC, IN, NC, LX, GND, NCk5V嘉泰姆	SOP-8k5V嘉泰姆
CXSD62376k5V嘉泰姆	5k5V嘉泰姆	14k5V嘉泰姆	2k5V嘉泰姆	500k5V嘉泰姆	0.8k5V嘉泰姆	100k5V嘉泰姆	300k5V嘉泰姆	GND, IN, GND, FB, COMP, EN, LX, LXk5V嘉泰姆	SOP-8k5V嘉泰姆
CXSD62377k5V嘉泰姆	4.75k5V嘉泰姆	20k5V嘉泰姆	2k5V嘉泰姆	500k5V嘉泰姆	1.2k5V嘉泰姆	100k5V嘉泰姆	1000k5V嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCk5V嘉泰姆	SOP-8k5V嘉泰姆
CXSD62378k5V嘉泰姆	4.75k5V嘉泰姆	20k5V嘉泰姆	3k5V嘉泰姆	500k5V嘉泰姆	1.2k5V嘉泰姆	100k5V嘉泰姆	1000k5V嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCk5V嘉泰姆	SOP-8(FD)k5V嘉泰姆
CXSD62379k5V嘉泰姆	4.75k5V嘉泰姆	20k5V嘉泰姆	2.5k5V嘉泰姆	500k5V嘉泰姆	0.8k5V嘉泰姆	100k5V嘉泰姆	1000k5V嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCk5V嘉泰姆	SOP-8k5V嘉泰姆
CXSD62380k5V嘉泰姆	4.75k5V嘉泰姆	20k5V嘉泰姆	2k5V嘉泰姆	380k5V嘉泰姆	1.22k5V嘉泰姆	100k5V嘉泰姆	1000k5V嘉泰姆	NC, IN, LX, GND, FB, EN, SSk5V嘉泰姆	SOP-8k5V嘉泰姆
CXSD62381k5V嘉泰姆	4.75k5V嘉泰姆	20k5V嘉泰姆	2k5V嘉泰姆	380k5V嘉泰姆	0.92k5V嘉泰姆	100k5V嘉泰姆	1000k5V嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SS, k5V嘉泰姆 NC*3IN, LX, GND, FB, COMP, EN, SSk5V嘉泰姆	SOP-8/MSOP-10(FD)k5V嘉泰姆
CXSD62382/3k5V嘉泰姆	4.75k5V嘉泰姆	20k5V嘉泰姆	3k5V嘉泰姆	380k5V嘉泰姆	1.22/0.92k5V嘉泰姆	100k5V嘉泰姆	1000k5V嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SSk5V嘉泰姆	SOP-8(FD)k5V嘉泰姆
CXSD62384k5V嘉泰姆	3k5V嘉泰姆	5.5k5V嘉泰姆	2k5V嘉泰姆	ADJk5V嘉泰姆	0.8k5V嘉泰姆	100k5V嘉泰姆	2000k5V嘉泰姆	COMP, GND, EN, IN, LX*2, FQEQ, FBk5V嘉泰姆	SOP-8k5V嘉泰姆
CXSD62385k5V嘉泰姆	3k5V嘉泰姆	5.5k5V嘉泰姆	4k5V嘉泰姆	ADJk5V嘉泰姆	0.8k5V嘉泰姆	100k5V嘉泰姆	2000k5V嘉泰姆	COMP, GND, EN, IN, LX, LX, FQEQ, FBk5V嘉泰姆	SOP-8(FD)k5V嘉泰姆
CXSD62386/Ak5V嘉泰姆	4.5k5V嘉泰姆	24k5V嘉泰姆	2k5V嘉泰姆	380k5V嘉泰姆	1.22/0.92k5V嘉泰姆	90k5V嘉泰姆	1500k5V嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSk5V嘉泰姆	SOP-8/MSOP-10(FD)k5V嘉泰姆
CXSD62387/Ak5V嘉泰姆	4.5k5V嘉泰姆	24k5V嘉泰姆	3k5V嘉泰姆	380k5V嘉泰姆	1.22/0.92k5V嘉泰姆	90k5V嘉泰姆	1500k5V嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSk5V嘉泰姆	SOP-(FD)/DIP-8/MSOP-10(FD)k5V嘉泰姆
CXSD62388/Ak5V嘉泰姆	4.75k5V嘉泰姆	24k5V嘉泰姆	2k5V嘉泰姆	380k5V嘉泰姆	1.22/0.92k5V嘉泰姆	90k5V嘉泰姆	1500k5V嘉泰姆	SS/NC, BS, IN, LX, GND, FB, COMP, ENk5V嘉泰姆	SOP-8k5V嘉泰姆
CXSD62389k5V嘉泰姆	4.5k5V嘉泰姆	28k5V嘉泰姆	3k5V嘉泰姆	ADJk5V嘉泰姆	0.8k5V嘉泰姆	90k5V嘉泰姆	170k5V嘉泰姆	LX, EN, COMP, FB, GND, FREQ, IN, BSk5V嘉泰姆 Dutymax = 1 - (TOFFmin * 900K)k5V嘉泰姆	SOP-8(FD)/DIP-8/TDFN3X3-8k5V嘉泰姆
CXSD62390k5V嘉泰姆	7k5V嘉泰姆	18k5V嘉泰姆	4k5V嘉泰姆	400k5V嘉泰姆	0.8k5V嘉泰姆	90k5V嘉泰姆	700k5V嘉泰姆	EN, BS, IN, LX, VCC, GND, FB, COMPk5V嘉泰姆	SOP-8(FD)k5V嘉泰姆
CXSD62391k5V嘉泰姆	6.5k5V嘉泰姆	24k5V嘉泰姆	2k5V嘉泰姆	385k5V嘉泰姆	1.22/0.92k5V嘉泰姆	90k5V嘉泰姆	1500k5V嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSk5V嘉泰姆	SOP-8k5V嘉泰姆
CXSD62392k5V嘉泰姆	4.5k5V嘉泰姆	28k5V嘉泰姆	3k5V嘉泰姆	380k5V嘉泰姆	1.22k5V嘉泰姆	90k5V嘉泰姆	1500k5V嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSk5V嘉泰姆	SOP-8(FD)k5V嘉泰姆

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