3A连续输出电流内置功率MOSFET的单片降压开关模式稳压器CXSD62389 4.5V至28V工作输入

The CXSD62389 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. The wide 4.5V to 28V input range accommodates a variety of step-down applications, including those in an automotive input environment. A 180μA operational quiescent current allows use in battery-powered applications. High power conversion efficiency over a wide load range is achieved by scaling down the switching frequency at light load condition to reduce the switching and gate driving losses. The frequency foldback helps prevent inductor current runaway during startup and thermal shutdown provides reliable, fault tolerant operation. By switching at 1.5MHz, the CXSD62389 is able to prevent EMI (ELECTROMAGNETIC Interference) noise problems, such as those found in AM radio and ADSL applications. The CXSD62389 requires a minimum number of readily available standard external components. It is available in a DIP-8, SOP-8 (FD) and TDFN3X3-8 package.

产品特点 返回TOP5HC嘉泰姆

„ 3A Output Current 5HC嘉泰姆

„ Wide 4.5V to 28V Operating Input Range 5HC嘉泰姆

„ Programmable Switching Frequency from 100kHz to 1.5MHz 5HC嘉泰姆

„ Internal Soft-Start 5HC嘉泰姆

„ Cycle-by-Cycle Over Current Protection 5HC嘉泰姆

„ Ceramic Capacitor Stable 5HC嘉泰姆

„ High-Efficiency Pulse Skipping Mode for Light Load 5HC嘉泰姆

„ Available in DIP-8, SOP-8 (FD) and TDFN3X3-8 Package5HC嘉泰姆

应用范围 返回TOP5HC嘉泰姆

„ High Voltage Power Conversion 5HC嘉泰姆

„ Automotive Systems 5HC嘉泰姆

„ Industrial Power Systems 5HC嘉泰姆

„ Distributed Power Systems 5HC嘉泰姆

„ Battery Powered Systems5HC嘉泰姆

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5HC嘉泰姆

Asynchronous Step Down Converter5HC嘉泰姆
Part NO.5HC嘉泰姆	Vin(V)5HC嘉泰姆 min.5HC嘉泰姆	Vin(V)5HC嘉泰姆 max.5HC嘉泰姆	IOUT5HC嘉泰姆 (A)5HC嘉泰姆	FSW5HC嘉泰姆 (kHz)5HC嘉泰姆	FB(V)5HC嘉泰姆	Duty5HC嘉泰姆 max(%)5HC嘉泰姆	IQ5HC嘉泰姆 (μA)5HC嘉泰姆	Note5HC嘉泰姆	Package5HC嘉泰姆
CXSD623745HC嘉泰姆	4.55HC嘉泰姆	245HC嘉泰姆	1.55HC嘉泰姆	14005HC嘉泰姆	0.925HC嘉泰姆	655HC嘉泰姆	13005HC嘉泰姆	BS, IN, LX,GND, FB, COMP, EN, SS5HC嘉泰姆	SOP-8(FD)5HC嘉泰姆
CXSD623755HC嘉泰姆	5.55HC嘉泰姆	205HC嘉泰姆	35HC嘉泰姆	3005HC嘉泰姆	0.85HC嘉泰姆	1005HC嘉泰姆	10005HC嘉泰姆	FB, EN, NC, IN, NC, LX, GND, NC5HC嘉泰姆	SOP-85HC嘉泰姆
CXSD623765HC嘉泰姆	55HC嘉泰姆	145HC嘉泰姆	25HC嘉泰姆	5005HC嘉泰姆	0.85HC嘉泰姆	1005HC嘉泰姆	3005HC嘉泰姆	GND, IN, GND, FB, COMP, EN, LX, LX5HC嘉泰姆	SOP-85HC嘉泰姆
CXSD623775HC嘉泰姆	4.755HC嘉泰姆	205HC嘉泰姆	25HC嘉泰姆	5005HC嘉泰姆	1.25HC嘉泰姆	1005HC嘉泰姆	10005HC嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NC5HC嘉泰姆	SOP-85HC嘉泰姆
CXSD623785HC嘉泰姆	4.755HC嘉泰姆	205HC嘉泰姆	35HC嘉泰姆	5005HC嘉泰姆	1.25HC嘉泰姆	1005HC嘉泰姆	10005HC嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NC5HC嘉泰姆	SOP-8(FD)5HC嘉泰姆
CXSD623795HC嘉泰姆	4.755HC嘉泰姆	205HC嘉泰姆	2.55HC嘉泰姆	5005HC嘉泰姆	0.85HC嘉泰姆	1005HC嘉泰姆	10005HC嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NC5HC嘉泰姆	SOP-85HC嘉泰姆
CXSD623805HC嘉泰姆	4.755HC嘉泰姆	205HC嘉泰姆	25HC嘉泰姆	3805HC嘉泰姆	1.225HC嘉泰姆	1005HC嘉泰姆	10005HC嘉泰姆	NC, IN, LX, GND, FB, EN, SS5HC嘉泰姆	SOP-85HC嘉泰姆
CXSD623815HC嘉泰姆	4.755HC嘉泰姆	205HC嘉泰姆	25HC嘉泰姆	3805HC嘉泰姆	0.925HC嘉泰姆	1005HC嘉泰姆	10005HC嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SS, 5HC嘉泰姆 NC*3IN, LX, GND, FB, COMP, EN, SS5HC嘉泰姆	SOP-8/MSOP-10(FD)5HC嘉泰姆
CXSD62382/35HC嘉泰姆	4.755HC嘉泰姆	205HC嘉泰姆	35HC嘉泰姆	3805HC嘉泰姆	1.22/0.925HC嘉泰姆	1005HC嘉泰姆	10005HC嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SS5HC嘉泰姆	SOP-8(FD)5HC嘉泰姆
CXSD623845HC嘉泰姆	35HC嘉泰姆	5.55HC嘉泰姆	25HC嘉泰姆	ADJ5HC嘉泰姆	0.85HC嘉泰姆	1005HC嘉泰姆	20005HC嘉泰姆	COMP, GND, EN, IN, LX*2, FQEQ, FB5HC嘉泰姆	SOP-85HC嘉泰姆
CXSD623855HC嘉泰姆	35HC嘉泰姆	5.55HC嘉泰姆	45HC嘉泰姆	ADJ5HC嘉泰姆	0.85HC嘉泰姆	1005HC嘉泰姆	20005HC嘉泰姆	COMP, GND, EN, IN, LX, LX, FQEQ, FB5HC嘉泰姆	SOP-8(FD)5HC嘉泰姆
CXSD62386/A5HC嘉泰姆	4.55HC嘉泰姆	245HC嘉泰姆	25HC嘉泰姆	3805HC嘉泰姆	1.22/0.925HC嘉泰姆	905HC嘉泰姆	15005HC嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SS5HC嘉泰姆	SOP-8/MSOP-10(FD)5HC嘉泰姆
CXSD62387/A5HC嘉泰姆	4.55HC嘉泰姆	245HC嘉泰姆	35HC嘉泰姆	3805HC嘉泰姆	1.22/0.925HC嘉泰姆	905HC嘉泰姆	15005HC嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SS5HC嘉泰姆	SOP-(FD)/DIP-8/MSOP-10(FD)5HC嘉泰姆
CXSD62388/A5HC嘉泰姆	4.755HC嘉泰姆	245HC嘉泰姆	25HC嘉泰姆	3805HC嘉泰姆	1.22/0.925HC嘉泰姆	905HC嘉泰姆	15005HC嘉泰姆	SS/NC, BS, IN, LX, GND, FB, COMP, EN5HC嘉泰姆	SOP-85HC嘉泰姆
CXSD623895HC嘉泰姆	4.55HC嘉泰姆	285HC嘉泰姆	35HC嘉泰姆	ADJ5HC嘉泰姆	0.85HC嘉泰姆	905HC嘉泰姆	1705HC嘉泰姆	LX, EN, COMP, FB, GND, FREQ, IN, BS5HC嘉泰姆 Dutymax = 1 - (TOFFmin * 900K)5HC嘉泰姆	SOP-8(FD)/DIP-8/TDFN3X3-85HC嘉泰姆
CXSD623905HC嘉泰姆	75HC嘉泰姆	185HC嘉泰姆	45HC嘉泰姆	4005HC嘉泰姆	0.85HC嘉泰姆	905HC嘉泰姆	7005HC嘉泰姆	EN, BS, IN, LX, VCC, GND, FB, COMP5HC嘉泰姆	SOP-8(FD)5HC嘉泰姆
CXSD623915HC嘉泰姆	6.55HC嘉泰姆	245HC嘉泰姆	25HC嘉泰姆	3855HC嘉泰姆	1.22/0.925HC嘉泰姆	905HC嘉泰姆	15005HC嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SS5HC嘉泰姆	SOP-85HC嘉泰姆
CXSD623925HC嘉泰姆	4.55HC嘉泰姆	285HC嘉泰姆	35HC嘉泰姆	3805HC嘉泰姆	1.225HC嘉泰姆	905HC嘉泰姆	15005HC嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SS5HC嘉泰姆	SOP-8(FD)5HC嘉泰姆

目录

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