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TOPvv1嘉泰姆

„ 4.75V to 20V Supply Voltage Operating Range vv1嘉泰姆

„ Fixed 500kHz Switching Frequency vv1嘉泰姆

„ Current-Mode Buck PWM Converter vv1嘉泰姆

„ Built-in P-Channel Power MOSFET vv1嘉泰姆

„ 2.5A Output Current vv1嘉泰姆

„ 1.2V Internal Reference vv1嘉泰姆

„ Shutdown Control vv1嘉泰姆

„ Thermal-Shutdown and Internal Soft Start vv1嘉泰姆

„ Cycle-by-Cycle Current-Limit vv1嘉泰姆

„ Short Circuit Protection vv1嘉泰姆

„ Under-Voltage Lockout Protection vv1嘉泰姆

„ SOP-8 Packagevv1嘉泰姆

应用范围 返回TOPvv1嘉泰姆

Distributed Power Systems vv1嘉泰姆

„ Battery Charger vv1嘉泰姆

„ Palmtop Computers, PDAs vv1嘉泰姆

„ DSL Modemsvv1嘉泰姆

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Asynchronous Step Down Convertervv1嘉泰姆
Part NO.vv1嘉泰姆	Vin(V)vv1嘉泰姆 min.vv1嘉泰姆	Vin(V)vv1嘉泰姆 max.vv1嘉泰姆	IOUTvv1嘉泰姆 (A)vv1嘉泰姆	FSWvv1嘉泰姆 (kHz)vv1嘉泰姆	FB(V)vv1嘉泰姆	Dutyvv1嘉泰姆 max(%)vv1嘉泰姆	IQvv1嘉泰姆 (μA)vv1嘉泰姆	Notevv1嘉泰姆	Packagevv1嘉泰姆
CXSD62374vv1嘉泰姆	4.5vv1嘉泰姆	24vv1嘉泰姆	1.5vv1嘉泰姆	1400vv1嘉泰姆	0.92vv1嘉泰姆	65vv1嘉泰姆	1300vv1嘉泰姆	BS, IN, LX,GND, FB, COMP, EN, SSvv1嘉泰姆	SOP-8(FD)vv1嘉泰姆
CXSD62375vv1嘉泰姆	5.5vv1嘉泰姆	20vv1嘉泰姆	3vv1嘉泰姆	300vv1嘉泰姆	0.8vv1嘉泰姆	100vv1嘉泰姆	1000vv1嘉泰姆	FB, EN, NC, IN, NC, LX, GND, NCvv1嘉泰姆	SOP-8vv1嘉泰姆
CXSD62376vv1嘉泰姆	5vv1嘉泰姆	14vv1嘉泰姆	2vv1嘉泰姆	500vv1嘉泰姆	0.8vv1嘉泰姆	100vv1嘉泰姆	300vv1嘉泰姆	GND, IN, GND, FB, COMP, EN, LX, LXvv1嘉泰姆	SOP-8vv1嘉泰姆
CXSD62377vv1嘉泰姆	4.75vv1嘉泰姆	20vv1嘉泰姆	2vv1嘉泰姆	500vv1嘉泰姆	1.2vv1嘉泰姆	100vv1嘉泰姆	1000vv1嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCvv1嘉泰姆	SOP-8vv1嘉泰姆
CXSD62378vv1嘉泰姆	4.75vv1嘉泰姆	20vv1嘉泰姆	3vv1嘉泰姆	500vv1嘉泰姆	1.2vv1嘉泰姆	100vv1嘉泰姆	1000vv1嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCvv1嘉泰姆	SOP-8(FD)vv1嘉泰姆
CXSD62379vv1嘉泰姆	4.75vv1嘉泰姆	20vv1嘉泰姆	2.5vv1嘉泰姆	500vv1嘉泰姆	0.8vv1嘉泰姆	100vv1嘉泰姆	1000vv1嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCvv1嘉泰姆	SOP-8vv1嘉泰姆
CXSD62380vv1嘉泰姆	4.75vv1嘉泰姆	20vv1嘉泰姆	2vv1嘉泰姆	380vv1嘉泰姆	1.22vv1嘉泰姆	100vv1嘉泰姆	1000vv1嘉泰姆	NC, IN, LX, GND, FB, EN, SSvv1嘉泰姆	SOP-8vv1嘉泰姆
CXSD62381vv1嘉泰姆	4.75vv1嘉泰姆	20vv1嘉泰姆	2vv1嘉泰姆	380vv1嘉泰姆	0.92vv1嘉泰姆	100vv1嘉泰姆	1000vv1嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SS, vv1嘉泰姆 NC*3IN, LX, GND, FB, COMP, EN, SSvv1嘉泰姆	SOP-8/MSOP-10(FD)vv1嘉泰姆
CXSD62382/3vv1嘉泰姆	4.75vv1嘉泰姆	20vv1嘉泰姆	3vv1嘉泰姆	380vv1嘉泰姆	1.22/0.92vv1嘉泰姆	100vv1嘉泰姆	1000vv1嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SSvv1嘉泰姆	SOP-8(FD)vv1嘉泰姆
CXSD62384vv1嘉泰姆	3vv1嘉泰姆	5.5vv1嘉泰姆	2vv1嘉泰姆	ADJvv1嘉泰姆	0.8vv1嘉泰姆	100vv1嘉泰姆	2000vv1嘉泰姆	COMP, GND, EN, IN, LX*2, FQEQ, FBvv1嘉泰姆	SOP-8vv1嘉泰姆
CXSD62385vv1嘉泰姆	3vv1嘉泰姆	5.5vv1嘉泰姆	4vv1嘉泰姆	ADJvv1嘉泰姆	0.8vv1嘉泰姆	100vv1嘉泰姆	2000vv1嘉泰姆	COMP, GND, EN, IN, LX, LX, FQEQ, FBvv1嘉泰姆	SOP-8(FD)vv1嘉泰姆
CXSD62386/Avv1嘉泰姆	4.5vv1嘉泰姆	24vv1嘉泰姆	2vv1嘉泰姆	380vv1嘉泰姆	1.22/0.92vv1嘉泰姆	90vv1嘉泰姆	1500vv1嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSvv1嘉泰姆	SOP-8/MSOP-10(FD)vv1嘉泰姆
CXSD62387/Avv1嘉泰姆	4.5vv1嘉泰姆	24vv1嘉泰姆	3vv1嘉泰姆	380vv1嘉泰姆	1.22/0.92vv1嘉泰姆	90vv1嘉泰姆	1500vv1嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSvv1嘉泰姆	SOP-(FD)/DIP-8/MSOP-10(FD)vv1嘉泰姆
CXSD62388/Avv1嘉泰姆	4.75vv1嘉泰姆	24vv1嘉泰姆	2vv1嘉泰姆	380vv1嘉泰姆	1.22/0.92vv1嘉泰姆	90vv1嘉泰姆	1500vv1嘉泰姆	SS/NC, BS, IN, LX, GND, FB, COMP, ENvv1嘉泰姆	SOP-8vv1嘉泰姆
CXSD62389vv1嘉泰姆	4.5vv1嘉泰姆	28vv1嘉泰姆	3vv1嘉泰姆	ADJvv1嘉泰姆	0.8vv1嘉泰姆	90vv1嘉泰姆	170vv1嘉泰姆	LX, EN, COMP, FB, GND, FREQ, IN, BSvv1嘉泰姆 Dutymax = 1 - (TOFFmin * 900K)vv1嘉泰姆	SOP-8(FD)/DIP-8/TDFN3X3-8vv1嘉泰姆
CXSD62390vv1嘉泰姆	7vv1嘉泰姆	18vv1嘉泰姆	4vv1嘉泰姆	400vv1嘉泰姆	0.8vv1嘉泰姆	90vv1嘉泰姆	700vv1嘉泰姆	EN, BS, IN, LX, VCC, GND, FB, COMPvv1嘉泰姆	SOP-8(FD)vv1嘉泰姆
CXSD62391vv1嘉泰姆	6.5vv1嘉泰姆	24vv1嘉泰姆	2vv1嘉泰姆	385vv1嘉泰姆	1.22/0.92vv1嘉泰姆	90vv1嘉泰姆	1500vv1嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSvv1嘉泰姆	SOP-8vv1嘉泰姆
CXSD62392vv1嘉泰姆	4.5vv1嘉泰姆	28vv1嘉泰姆	3vv1嘉泰姆	380vv1嘉泰姆	1.22vv1嘉泰姆	90vv1嘉泰姆	1500vv1嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSvv1嘉泰姆	SOP-8(FD)vv1嘉泰姆

目录

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