固定380kHz频率CXSD62388/A内置功率MOSFET的单片降压开关模式稳压器电流模式操作

The CXSD62388/CXSD62388A 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 CXSD62388/CXSD62388A requires a minimum number of readily available standard external components. It is available in a SOP-8 package.

产品特点 返回TOPyFN嘉泰姆

„ 2A Output Current yFN嘉泰姆

„ 0.18Ω Internal Power MOSFET Switch yFN嘉泰姆

„ Stable with Low ESR Output Ceramic Capacitors yFN嘉泰姆

„ Up to 95% Efficiency yFN嘉泰姆

„ 30μA Shutdown Mode yFN嘉泰姆

„ Fixed 380kHz Frequency yFN嘉泰姆

„ Thermal Shutdown yFN嘉泰姆

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

„ Wide 4.75V to 24V Operating Input Range yFN嘉泰姆

„ Output Adjustable from 1.22V to 21.6V(CXSD62388) yFN嘉泰姆

„ Output Adjustable from 0.92V to 21.6V(CXSD62388A) yFN嘉泰姆

„ Available in SOP-8 PackageyFN嘉泰姆

应用范围 返回TOPyFN嘉泰姆

„ PC Monitors yFN嘉泰姆

„ DSL Modems yFN嘉泰姆

„ Distributed Power Systems yFN嘉泰姆

„ Pre-Regulator for Linear RegulatorsyFN嘉泰姆

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Asynchronous Step Down ConverteryFN嘉泰姆
Part NO.yFN嘉泰姆	Vin(V)yFN嘉泰姆 min.yFN嘉泰姆	Vin(V)yFN嘉泰姆 max.yFN嘉泰姆	IOUTyFN嘉泰姆 (A)yFN嘉泰姆	FSWyFN嘉泰姆 (kHz)yFN嘉泰姆	FB(V)yFN嘉泰姆	DutyyFN嘉泰姆 max(%)yFN嘉泰姆	IQyFN嘉泰姆 (μA)yFN嘉泰姆	NoteyFN嘉泰姆	PackageyFN嘉泰姆
CXSD62374yFN嘉泰姆	4.5yFN嘉泰姆	24yFN嘉泰姆	1.5yFN嘉泰姆	1400yFN嘉泰姆	0.92yFN嘉泰姆	65yFN嘉泰姆	1300yFN嘉泰姆	BS, IN, LX,GND, FB, COMP, EN, SSyFN嘉泰姆	SOP-8(FD)yFN嘉泰姆
CXSD62375yFN嘉泰姆	5.5yFN嘉泰姆	20yFN嘉泰姆	3yFN嘉泰姆	300yFN嘉泰姆	0.8yFN嘉泰姆	100yFN嘉泰姆	1000yFN嘉泰姆	FB, EN, NC, IN, NC, LX, GND, NCyFN嘉泰姆	SOP-8yFN嘉泰姆
CXSD62376yFN嘉泰姆	5yFN嘉泰姆	14yFN嘉泰姆	2yFN嘉泰姆	500yFN嘉泰姆	0.8yFN嘉泰姆	100yFN嘉泰姆	300yFN嘉泰姆	GND, IN, GND, FB, COMP, EN, LX, LXyFN嘉泰姆	SOP-8yFN嘉泰姆
CXSD62377yFN嘉泰姆	4.75yFN嘉泰姆	20yFN嘉泰姆	2yFN嘉泰姆	500yFN嘉泰姆	1.2yFN嘉泰姆	100yFN嘉泰姆	1000yFN嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCyFN嘉泰姆	SOP-8yFN嘉泰姆
CXSD62378yFN嘉泰姆	4.75yFN嘉泰姆	20yFN嘉泰姆	3yFN嘉泰姆	500yFN嘉泰姆	1.2yFN嘉泰姆	100yFN嘉泰姆	1000yFN嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCyFN嘉泰姆	SOP-8(FD)yFN嘉泰姆
CXSD62379yFN嘉泰姆	4.75yFN嘉泰姆	20yFN嘉泰姆	2.5yFN嘉泰姆	500yFN嘉泰姆	0.8yFN嘉泰姆	100yFN嘉泰姆	1000yFN嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCyFN嘉泰姆	SOP-8yFN嘉泰姆
CXSD62380yFN嘉泰姆	4.75yFN嘉泰姆	20yFN嘉泰姆	2yFN嘉泰姆	380yFN嘉泰姆	1.22yFN嘉泰姆	100yFN嘉泰姆	1000yFN嘉泰姆	NC, IN, LX, GND, FB, EN, SSyFN嘉泰姆	SOP-8yFN嘉泰姆
CXSD62381yFN嘉泰姆	4.75yFN嘉泰姆	20yFN嘉泰姆	2yFN嘉泰姆	380yFN嘉泰姆	0.92yFN嘉泰姆	100yFN嘉泰姆	1000yFN嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SS, yFN嘉泰姆 NC*3IN, LX, GND, FB, COMP, EN, SSyFN嘉泰姆	SOP-8/MSOP-10(FD)yFN嘉泰姆
CXSD62382/3yFN嘉泰姆	4.75yFN嘉泰姆	20yFN嘉泰姆	3yFN嘉泰姆	380yFN嘉泰姆	1.22/0.92yFN嘉泰姆	100yFN嘉泰姆	1000yFN嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SSyFN嘉泰姆	SOP-8(FD)yFN嘉泰姆
CXSD62384yFN嘉泰姆	3yFN嘉泰姆	5.5yFN嘉泰姆	2yFN嘉泰姆	ADJyFN嘉泰姆	0.8yFN嘉泰姆	100yFN嘉泰姆	2000yFN嘉泰姆	COMP, GND, EN, IN, LX*2, FQEQ, FByFN嘉泰姆	SOP-8yFN嘉泰姆
CXSD62385yFN嘉泰姆	3yFN嘉泰姆	5.5yFN嘉泰姆	4yFN嘉泰姆	ADJyFN嘉泰姆	0.8yFN嘉泰姆	100yFN嘉泰姆	2000yFN嘉泰姆	COMP, GND, EN, IN, LX, LX, FQEQ, FByFN嘉泰姆	SOP-8(FD)yFN嘉泰姆
CXSD62386/AyFN嘉泰姆	4.5yFN嘉泰姆	24yFN嘉泰姆	2yFN嘉泰姆	380yFN嘉泰姆	1.22/0.92yFN嘉泰姆	90yFN嘉泰姆	1500yFN嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSyFN嘉泰姆	SOP-8/MSOP-10(FD)yFN嘉泰姆
CXSD62387/AyFN嘉泰姆	4.5yFN嘉泰姆	24yFN嘉泰姆	3yFN嘉泰姆	380yFN嘉泰姆	1.22/0.92yFN嘉泰姆	90yFN嘉泰姆	1500yFN嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSyFN嘉泰姆	SOP-(FD)/DIP-8/MSOP-10(FD)yFN嘉泰姆
CXSD62388/AyFN嘉泰姆	4.75yFN嘉泰姆	24yFN嘉泰姆	2yFN嘉泰姆	380yFN嘉泰姆	1.22/0.92yFN嘉泰姆	90yFN嘉泰姆	1500yFN嘉泰姆	SS/NC, BS, IN, LX, GND, FB, COMP, ENyFN嘉泰姆	SOP-8yFN嘉泰姆
CXSD62389yFN嘉泰姆	4.5yFN嘉泰姆	28yFN嘉泰姆	3yFN嘉泰姆	ADJyFN嘉泰姆	0.8yFN嘉泰姆	90yFN嘉泰姆	170yFN嘉泰姆	LX, EN, COMP, FB, GND, FREQ, IN, BSyFN嘉泰姆 Dutymax = 1 - (TOFFmin * 900K)yFN嘉泰姆	SOP-8(FD)/DIP-8/TDFN3X3-8yFN嘉泰姆
CXSD62390yFN嘉泰姆	7yFN嘉泰姆	18yFN嘉泰姆	4yFN嘉泰姆	400yFN嘉泰姆	0.8yFN嘉泰姆	90yFN嘉泰姆	700yFN嘉泰姆	EN, BS, IN, LX, VCC, GND, FB, COMPyFN嘉泰姆	SOP-8(FD)yFN嘉泰姆
CXSD62391yFN嘉泰姆	6.5yFN嘉泰姆	24yFN嘉泰姆	2yFN嘉泰姆	385yFN嘉泰姆	1.22/0.92yFN嘉泰姆	90yFN嘉泰姆	1500yFN嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSyFN嘉泰姆	SOP-8yFN嘉泰姆
CXSD62392yFN嘉泰姆	4.5yFN嘉泰姆	28yFN嘉泰姆	3yFN嘉泰姆	380yFN嘉泰姆	1.22yFN嘉泰姆	90yFN嘉泰姆	1500yFN嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSyFN嘉泰姆	SOP-8(FD)yFN嘉泰姆

目录

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