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.

产品特点 返回TOPmGh嘉泰姆

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

„ Fixed 500kHz Switching Frequency mGh嘉泰姆

„ Current-Mode Buck PWM Converter mGh嘉泰姆

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

„ 2.5A Output Current mGh嘉泰姆

„ 1.2V Internal Reference mGh嘉泰姆

„ Shutdown Control mGh嘉泰姆

„ Thermal-Shutdown and Internal Soft Start mGh嘉泰姆

„ Cycle-by-Cycle Current-Limit mGh嘉泰姆

„ Short Circuit Protection mGh嘉泰姆

„ Under-Voltage Lockout Protection mGh嘉泰姆

„ SOP-8 PackagemGh嘉泰姆

应用范围 返回TOPmGh嘉泰姆

Distributed Power Systems mGh嘉泰姆

„ Battery Charger mGh嘉泰姆

„ Palmtop Computers, PDAs mGh嘉泰姆

„ DSL ModemsmGh嘉泰姆

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Asynchronous Step Down ConvertermGh嘉泰姆
Part NO.mGh嘉泰姆	Vin(V)mGh嘉泰姆 min.mGh嘉泰姆	Vin(V)mGh嘉泰姆 max.mGh嘉泰姆	IOUTmGh嘉泰姆 (A)mGh嘉泰姆	FSWmGh嘉泰姆 (kHz)mGh嘉泰姆	FB(V)mGh嘉泰姆	DutymGh嘉泰姆 max(%)mGh嘉泰姆	IQmGh嘉泰姆 (μA)mGh嘉泰姆	NotemGh嘉泰姆	PackagemGh嘉泰姆
CXSD62374mGh嘉泰姆	4.5mGh嘉泰姆	24mGh嘉泰姆	1.5mGh嘉泰姆	1400mGh嘉泰姆	0.92mGh嘉泰姆	65mGh嘉泰姆	1300mGh嘉泰姆	BS, IN, LX,GND, FB, COMP, EN, SSmGh嘉泰姆	SOP-8(FD)mGh嘉泰姆
CXSD62375mGh嘉泰姆	5.5mGh嘉泰姆	20mGh嘉泰姆	3mGh嘉泰姆	300mGh嘉泰姆	0.8mGh嘉泰姆	100mGh嘉泰姆	1000mGh嘉泰姆	FB, EN, NC, IN, NC, LX, GND, NCmGh嘉泰姆	SOP-8mGh嘉泰姆
CXSD62376mGh嘉泰姆	5mGh嘉泰姆	14mGh嘉泰姆	2mGh嘉泰姆	500mGh嘉泰姆	0.8mGh嘉泰姆	100mGh嘉泰姆	300mGh嘉泰姆	GND, IN, GND, FB, COMP, EN, LX, LXmGh嘉泰姆	SOP-8mGh嘉泰姆
CXSD62377mGh嘉泰姆	4.75mGh嘉泰姆	20mGh嘉泰姆	2mGh嘉泰姆	500mGh嘉泰姆	1.2mGh嘉泰姆	100mGh嘉泰姆	1000mGh嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCmGh嘉泰姆	SOP-8mGh嘉泰姆
CXSD62378mGh嘉泰姆	4.75mGh嘉泰姆	20mGh嘉泰姆	3mGh嘉泰姆	500mGh嘉泰姆	1.2mGh嘉泰姆	100mGh嘉泰姆	1000mGh嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCmGh嘉泰姆	SOP-8(FD)mGh嘉泰姆
CXSD62379mGh嘉泰姆	4.75mGh嘉泰姆	20mGh嘉泰姆	2.5mGh嘉泰姆	500mGh嘉泰姆	0.8mGh嘉泰姆	100mGh嘉泰姆	1000mGh嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCmGh嘉泰姆	SOP-8mGh嘉泰姆
CXSD62380mGh嘉泰姆	4.75mGh嘉泰姆	20mGh嘉泰姆	2mGh嘉泰姆	380mGh嘉泰姆	1.22mGh嘉泰姆	100mGh嘉泰姆	1000mGh嘉泰姆	NC, IN, LX, GND, FB, EN, SSmGh嘉泰姆	SOP-8mGh嘉泰姆
CXSD62381mGh嘉泰姆	4.75mGh嘉泰姆	20mGh嘉泰姆	2mGh嘉泰姆	380mGh嘉泰姆	0.92mGh嘉泰姆	100mGh嘉泰姆	1000mGh嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SS, mGh嘉泰姆 NC*3IN, LX, GND, FB, COMP, EN, SSmGh嘉泰姆	SOP-8/MSOP-10(FD)mGh嘉泰姆
CXSD62382/3mGh嘉泰姆	4.75mGh嘉泰姆	20mGh嘉泰姆	3mGh嘉泰姆	380mGh嘉泰姆	1.22/0.92mGh嘉泰姆	100mGh嘉泰姆	1000mGh嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SSmGh嘉泰姆	SOP-8(FD)mGh嘉泰姆
CXSD62384mGh嘉泰姆	3mGh嘉泰姆	5.5mGh嘉泰姆	2mGh嘉泰姆	ADJmGh嘉泰姆	0.8mGh嘉泰姆	100mGh嘉泰姆	2000mGh嘉泰姆	COMP, GND, EN, IN, LX*2, FQEQ, FBmGh嘉泰姆	SOP-8mGh嘉泰姆
CXSD62385mGh嘉泰姆	3mGh嘉泰姆	5.5mGh嘉泰姆	4mGh嘉泰姆	ADJmGh嘉泰姆	0.8mGh嘉泰姆	100mGh嘉泰姆	2000mGh嘉泰姆	COMP, GND, EN, IN, LX, LX, FQEQ, FBmGh嘉泰姆	SOP-8(FD)mGh嘉泰姆
CXSD62386/AmGh嘉泰姆	4.5mGh嘉泰姆	24mGh嘉泰姆	2mGh嘉泰姆	380mGh嘉泰姆	1.22/0.92mGh嘉泰姆	90mGh嘉泰姆	1500mGh嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSmGh嘉泰姆	SOP-8/MSOP-10(FD)mGh嘉泰姆
CXSD62387/AmGh嘉泰姆	4.5mGh嘉泰姆	24mGh嘉泰姆	3mGh嘉泰姆	380mGh嘉泰姆	1.22/0.92mGh嘉泰姆	90mGh嘉泰姆	1500mGh嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSmGh嘉泰姆	SOP-(FD)/DIP-8/MSOP-10(FD)mGh嘉泰姆
CXSD62388/AmGh嘉泰姆	4.75mGh嘉泰姆	24mGh嘉泰姆	2mGh嘉泰姆	380mGh嘉泰姆	1.22/0.92mGh嘉泰姆	90mGh嘉泰姆	1500mGh嘉泰姆	SS/NC, BS, IN, LX, GND, FB, COMP, ENmGh嘉泰姆	SOP-8mGh嘉泰姆
CXSD62389mGh嘉泰姆	4.5mGh嘉泰姆	28mGh嘉泰姆	3mGh嘉泰姆	ADJmGh嘉泰姆	0.8mGh嘉泰姆	90mGh嘉泰姆	170mGh嘉泰姆	LX, EN, COMP, FB, GND, FREQ, IN, BSmGh嘉泰姆 Dutymax = 1 - (TOFFmin * 900K)mGh嘉泰姆	SOP-8(FD)/DIP-8/TDFN3X3-8mGh嘉泰姆
CXSD62390mGh嘉泰姆	7mGh嘉泰姆	18mGh嘉泰姆	4mGh嘉泰姆	400mGh嘉泰姆	0.8mGh嘉泰姆	90mGh嘉泰姆	700mGh嘉泰姆	EN, BS, IN, LX, VCC, GND, FB, COMPmGh嘉泰姆	SOP-8(FD)mGh嘉泰姆
CXSD62391mGh嘉泰姆	6.5mGh嘉泰姆	24mGh嘉泰姆	2mGh嘉泰姆	385mGh嘉泰姆	1.22/0.92mGh嘉泰姆	90mGh嘉泰姆	1500mGh嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSmGh嘉泰姆	SOP-8mGh嘉泰姆
CXSD62392mGh嘉泰姆	4.5mGh嘉泰姆	28mGh嘉泰姆	3mGh嘉泰姆	380mGh嘉泰姆	1.22mGh嘉泰姆	90mGh嘉泰姆	1500mGh嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSmGh嘉泰姆	SOP-8(FD)mGh嘉泰姆

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