2.5A输出电流4.75V至20V电源电压CXSD62377固定500kHz开关频率电流模式Buck-PWM转换器内置P沟道功率MOSFET

The CXSD62377 is a high efficiency, 2.5A buck converter with a high-side low RDS(ON) switch. It operates from 4.75V to 20V input voltage range, and provides up to 2.5A continuous output current with the output voltage adjustable down to 1.2V. Whenever the load is light, the CXSD62377 automatically change the PWM operation mode to PFM operation to minimize the power consumption. Hence it is suitable for battery-powered devices. It uses a fixed switching frequency up to 500kHz. When a short circuit is detected on the output, the device change switching frequency to 50kHz to protect IC from damage. The CXSD62377 is available in a SOP-8 package.

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„ 4.75V to 20V Supply Voltage Operating Range hJx嘉泰姆

„ Fixed 500kHz Switching Frequency hJx嘉泰姆

„ Current-Mode Buck PWM Converter hJx嘉泰姆

„ Built-in P-Channel Power MOSFET hJx嘉泰姆

„ 2.5A Output Current hJx嘉泰姆

„ 1.2V Internal Reference hJx嘉泰姆

„ Shutdown Control hJx嘉泰姆

„ Thermal-Shutdown and Internal Soft Start hJx嘉泰姆

„ Cycle-by-Cycle Current-Limit hJx嘉泰姆

„ Short Circuit Protection hJx嘉泰姆

„ Under-Voltage Lockout Protection hJx嘉泰姆

„ SOP-8 PackagehJx嘉泰姆

应用范围 返回TOPhJx嘉泰姆

Distributed Power Systems hJx嘉泰姆

„ Battery Charger hJx嘉泰姆

„ Palmtop Computers, PDAs hJx嘉泰姆

„ DSL ModemshJx嘉泰姆

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QQ截图20160419174301.jpg hJx嘉泰姆

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Asynchronous Step Down ConverterhJx嘉泰姆
Part NO.hJx嘉泰姆	Vin(V)hJx嘉泰姆 min.hJx嘉泰姆	Vin(V)hJx嘉泰姆 max.hJx嘉泰姆	IOUThJx嘉泰姆 (A)hJx嘉泰姆	FSWhJx嘉泰姆 (kHz)hJx嘉泰姆	FB(V)hJx嘉泰姆	DutyhJx嘉泰姆 max(%)hJx嘉泰姆	IQhJx嘉泰姆 (μA)hJx嘉泰姆	NotehJx嘉泰姆	PackagehJx嘉泰姆
CXSD62374hJx嘉泰姆	4.5hJx嘉泰姆	24hJx嘉泰姆	1.5hJx嘉泰姆	1400hJx嘉泰姆	0.92hJx嘉泰姆	65hJx嘉泰姆	1300hJx嘉泰姆	BS, IN, LX,GND, FB, COMP, EN, SShJx嘉泰姆	SOP-8(FD)hJx嘉泰姆
CXSD62375hJx嘉泰姆	5.5hJx嘉泰姆	20hJx嘉泰姆	3hJx嘉泰姆	300hJx嘉泰姆	0.8hJx嘉泰姆	100hJx嘉泰姆	1000hJx嘉泰姆	FB, EN, NC, IN, NC, LX, GND, NChJx嘉泰姆	SOP-8hJx嘉泰姆
CXSD62376hJx嘉泰姆	5hJx嘉泰姆	14hJx嘉泰姆	2hJx嘉泰姆	500hJx嘉泰姆	0.8hJx嘉泰姆	100hJx嘉泰姆	300hJx嘉泰姆	GND, IN, GND, FB, COMP, EN, LX, LXhJx嘉泰姆	SOP-8hJx嘉泰姆
CXSD62377hJx嘉泰姆	4.75hJx嘉泰姆	20hJx嘉泰姆	2hJx嘉泰姆	500hJx嘉泰姆	1.2hJx嘉泰姆	100hJx嘉泰姆	1000hJx嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NChJx嘉泰姆	SOP-8hJx嘉泰姆
CXSD62378hJx嘉泰姆	4.75hJx嘉泰姆	20hJx嘉泰姆	3hJx嘉泰姆	500hJx嘉泰姆	1.2hJx嘉泰姆	100hJx嘉泰姆	1000hJx嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NChJx嘉泰姆	SOP-8(FD)hJx嘉泰姆
CXSD62379hJx嘉泰姆	4.75hJx嘉泰姆	20hJx嘉泰姆	2.5hJx嘉泰姆	500hJx嘉泰姆	0.8hJx嘉泰姆	100hJx嘉泰姆	1000hJx嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NChJx嘉泰姆	SOP-8hJx嘉泰姆
CXSD62380hJx嘉泰姆	4.75hJx嘉泰姆	20hJx嘉泰姆	2hJx嘉泰姆	380hJx嘉泰姆	1.22hJx嘉泰姆	100hJx嘉泰姆	1000hJx嘉泰姆	NC, IN, LX, GND, FB, EN, SShJx嘉泰姆	SOP-8hJx嘉泰姆
CXSD62381hJx嘉泰姆	4.75hJx嘉泰姆	20hJx嘉泰姆	2hJx嘉泰姆	380hJx嘉泰姆	0.92hJx嘉泰姆	100hJx嘉泰姆	1000hJx嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SS, hJx嘉泰姆 NC*3IN, LX, GND, FB, COMP, EN, SShJx嘉泰姆	SOP-8/MSOP-10(FD)hJx嘉泰姆
CXSD62382/3hJx嘉泰姆	4.75hJx嘉泰姆	20hJx嘉泰姆	3hJx嘉泰姆	380hJx嘉泰姆	1.22/0.92hJx嘉泰姆	100hJx嘉泰姆	1000hJx嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SShJx嘉泰姆	SOP-8(FD)hJx嘉泰姆
CXSD62384hJx嘉泰姆	3hJx嘉泰姆	5.5hJx嘉泰姆	2hJx嘉泰姆	ADJhJx嘉泰姆	0.8hJx嘉泰姆	100hJx嘉泰姆	2000hJx嘉泰姆	COMP, GND, EN, IN, LX*2, FQEQ, FBhJx嘉泰姆	SOP-8hJx嘉泰姆
CXSD62385hJx嘉泰姆	3hJx嘉泰姆	5.5hJx嘉泰姆	4hJx嘉泰姆	ADJhJx嘉泰姆	0.8hJx嘉泰姆	100hJx嘉泰姆	2000hJx嘉泰姆	COMP, GND, EN, IN, LX, LX, FQEQ, FBhJx嘉泰姆	SOP-8(FD)hJx嘉泰姆
CXSD62386/AhJx嘉泰姆	4.5hJx嘉泰姆	24hJx嘉泰姆	2hJx嘉泰姆	380hJx嘉泰姆	1.22/0.92hJx嘉泰姆	90hJx嘉泰姆	1500hJx嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SShJx嘉泰姆	SOP-8/MSOP-10(FD)hJx嘉泰姆
CXSD62387/AhJx嘉泰姆	4.5hJx嘉泰姆	24hJx嘉泰姆	3hJx嘉泰姆	380hJx嘉泰姆	1.22/0.92hJx嘉泰姆	90hJx嘉泰姆	1500hJx嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SShJx嘉泰姆	SOP-(FD)/DIP-8/MSOP-10(FD)hJx嘉泰姆
CXSD62388/AhJx嘉泰姆	4.75hJx嘉泰姆	24hJx嘉泰姆	2hJx嘉泰姆	380hJx嘉泰姆	1.22/0.92hJx嘉泰姆	90hJx嘉泰姆	1500hJx嘉泰姆	SS/NC, BS, IN, LX, GND, FB, COMP, ENhJx嘉泰姆	SOP-8hJx嘉泰姆
CXSD62389hJx嘉泰姆	4.5hJx嘉泰姆	28hJx嘉泰姆	3hJx嘉泰姆	ADJhJx嘉泰姆	0.8hJx嘉泰姆	90hJx嘉泰姆	170hJx嘉泰姆	LX, EN, COMP, FB, GND, FREQ, IN, BShJx嘉泰姆 Dutymax = 1 - (TOFFmin * 900K)hJx嘉泰姆	SOP-8(FD)/DIP-8/TDFN3X3-8hJx嘉泰姆
CXSD62390hJx嘉泰姆	7hJx嘉泰姆	18hJx嘉泰姆	4hJx嘉泰姆	400hJx嘉泰姆	0.8hJx嘉泰姆	90hJx嘉泰姆	700hJx嘉泰姆	EN, BS, IN, LX, VCC, GND, FB, COMPhJx嘉泰姆	SOP-8(FD)hJx嘉泰姆
CXSD62391hJx嘉泰姆	6.5hJx嘉泰姆	24hJx嘉泰姆	2hJx嘉泰姆	385hJx嘉泰姆	1.22/0.92hJx嘉泰姆	90hJx嘉泰姆	1500hJx嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SShJx嘉泰姆	SOP-8hJx嘉泰姆
CXSD62392hJx嘉泰姆	4.5hJx嘉泰姆	28hJx嘉泰姆	3hJx嘉泰姆	380hJx嘉泰姆	1.22hJx嘉泰姆	90hJx嘉泰姆	1500hJx嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SShJx嘉泰姆	SOP-8(FD)hJx嘉泰姆

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