CXSD62392 is a monolithic step-down switch mode regulator with a built in internal power MOSFET. It achieves 3A continuous output current over a wide input supply range with excellent load and line re

The CXSD62392 is a monolithic step-down switch mode regulator with a built in internal power MOSFET. It achieves 3A 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 CXSD62392 requires a minimum number of readily available standard external components. It is available in a SOP-8 (FD) package.

产品特点 返回TOP

„ 3A Output Current

„ 0.15Ω Internal Power MOSFET Switch

„ Stable with Low ESR Output Ceramic Capacitors

„ Up to 95% Efficiency

„ 30μA Shutdown Mode

„ Fixed 380kHz Frequency

„ Thermal Shutdown

„ Cycle-by-Cycle Over Current Protection

„ Wide 4.5V to 28V Operating Input Range

„ Output Adjustable from 1.22V to 21.6V

„ Available in SOP-8 (FD) Package

PC Monitors „ DSL Modems

„ Distributed Power Systems

„ Pre-Regulator for Linear Regulators

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产品封装图 返回TOP

电路原理图 返回TOP

Asynchronous Step Down Converter
Part NO.	Vin(V) min.	Vin(V) max.	IOUT (A)	FSW (kHz)	FB(V)	Duty max(%)	IQ (μA)	Note	Package
CXSD62374	4.5	24	1.5	1400	0.92	65	1300	BS, IN, LX,GND, FB, COMP, EN, SS	SOP-8(FD)
CXSD62375	5.5	20	3	300	0.8	100	1000	FB, EN, NC, IN, NC, LX, GND, NC	SOP-8
CXSD62376	5	14	2	500	0.8	100	300	GND, IN, GND, FB, COMP, EN, LX, LX	SOP-8
CXSD62377	4.75	20	2	500	1.2	100	1000	IN, EN, COMP, FB, NC, GND, LX, NC	SOP-8
CXSD62378	4.75	20	3	500	1.2	100	1000	IN, EN, COMP, FB, NC, GND, LX, NC	SOP-8(FD)
CXSD62379	4.75	20	2.5	500	0.8	100	1000	IN, EN, COMP, FB, NC, GND, LX, NC	SOP-8
CXSD62380	4.75	20	2	380	1.22	100	1000	NC, IN, LX, GND, FB, EN, SS	SOP-8
CXSD62381	4.75	20	2	380	0.92	100	1000	NC, IN, LX, GND, FB, COMP, EN, SS, NC*3IN, LX, GND, FB, COMP, EN, SS	SOP-8/MSOP-10(FD)
CXSD62382/3	4.75	20	3	380	1.22/0.92	100	1000	NC, IN, LX, GND, FB, COMP, EN, SS	SOP-8(FD)
CXSD62384	3	5.5	2	ADJ	0.8	100	2000	COMP, GND, EN, IN, LX*2, FQEQ, FB	SOP-8
CXSD62385	3	5.5	4	ADJ	0.8	100	2000	COMP, GND, EN, IN, LX, LX, FQEQ, FB	SOP-8(FD)
CXSD62386/A	4.5	24	2	380	1.22/0.92	90	1500	BS, IN, LX, GND, FB, COMP, EN, SS	SOP-8/MSOP-10(FD)
CXSD62387/A	4.5	24	3	380	1.22/0.92	90	1500	BS, IN, LX, GND, FB, COMP, EN, SS	SOP-(FD)/DIP-8/MSOP-10(FD)
CXSD62388/A	4.75	24	2	380	1.22/0.92	90	1500	SS/NC, BS, IN, LX, GND, FB, COMP, EN	SOP-8
CXSD62389	4.5	28	3	ADJ	0.8	90	170	LX, EN, COMP, FB, GND, FREQ, IN, BS Dutymax = 1 - (TOFFmin * 900K)	SOP-8(FD)/DIP-8/TDFN3X3-8
CXSD62390	7	18	4	400	0.8	90	700	EN, BS, IN, LX, VCC, GND, FB, COMP	SOP-8(FD)
CXSD62391	6.5	24	2	385	1.22/0.92	90	1500	BS, IN, LX, GND, FB, COMP, EN, SS	SOP-8
CXSD62392	4.5	28	3	380	1.22	90	1500	BS, IN, LX, GND, FB, COMP, EN, SS	SOP-8(FD)

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