电压型异步PWM控制CXSD62375工作电压可达20V电压模式降压型脉宽调制转换器宽输入电源驱动高达3A的负载

The CXSD62375 is a voltage-mode buck PWM converter capable of driving up to 3A loads over a wide input supply range. High efficiency is obtained through the use of a low RDS(ON) P-channel power switch. The internal compensation makes feedback control have excellent line and load regulation characteristics without external designs. It uses a fixed switching frequency of 300KHz. The output voltage is 3.3V, 5V and an user-programmable version via an external resistive voltage divider. The built-in soft-start can reduce inrush current on the input source at turn on. The device also has built-in current-limit, thermal shutdown, under-voltage lockout and an ON/OFF logic-control that can power down the regulator to a shutdown mode. When current limit function occurred and VFB is down to 0.3V below, the device changes switching frequency to 120KHz to protect IC from damage. CXSD62375 is available in SOP-8 package.

产品特点 返回TOPVWh嘉泰姆

„ Voltage Mode Asynchronous PWM Control VWh嘉泰姆

„ 3.3V, 5V and Adjustable Output Version VWh嘉泰姆

„ Operation Voltage can be up to 20V VWh嘉泰姆

„ Adjustable Version Output Voltage Range, 0.8V to 16V±2% VWh嘉泰姆

„ 300KHz Fixed Frequency Internal Oscillator VWh嘉泰姆

„ Built-in Switching Transistor on Chip VWh嘉泰姆

„ 3A Output Load Current „ Thermal Shutdown and Current Limit Protection VWh嘉泰姆

„ ON/OFF Shutdown Control VWh嘉泰姆

„ Iq of Low Power Standby Mode 1μA VWh嘉泰姆

„ Available in SOP-8 PackagesVWh嘉泰姆

应用范围 返回TOPVWh嘉泰姆

„ Simple high-efficiency step-down regulator VWh嘉泰姆

„ On-card switching regulators VWh嘉泰姆

„ Positive to negative converterVWh嘉泰姆

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Asynchronous Step Down ConverterVWh嘉泰姆
Part NO.VWh嘉泰姆	Vin(V)VWh嘉泰姆 min.VWh嘉泰姆	Vin(V)VWh嘉泰姆 max.VWh嘉泰姆	IOUTVWh嘉泰姆 (A)VWh嘉泰姆	FSWVWh嘉泰姆 (kHz)VWh嘉泰姆	FB(V)VWh嘉泰姆	DutyVWh嘉泰姆 max(%)VWh嘉泰姆	IQVWh嘉泰姆 (μA)VWh嘉泰姆	NoteVWh嘉泰姆	PackageVWh嘉泰姆
CXSD62374VWh嘉泰姆	4.5VWh嘉泰姆	24VWh嘉泰姆	1.5VWh嘉泰姆	1400VWh嘉泰姆	0.92VWh嘉泰姆	65VWh嘉泰姆	1300VWh嘉泰姆	BS, IN, LX,GND, FB, COMP, EN, SSVWh嘉泰姆	SOP-8(FD)VWh嘉泰姆
CXSD62375VWh嘉泰姆	5.5VWh嘉泰姆	20VWh嘉泰姆	3VWh嘉泰姆	300VWh嘉泰姆	0.8VWh嘉泰姆	100VWh嘉泰姆	1000VWh嘉泰姆	FB, EN, NC, IN, NC, LX, GND, NCVWh嘉泰姆	SOP-8VWh嘉泰姆
CXSD62376VWh嘉泰姆	5VWh嘉泰姆	14VWh嘉泰姆	2VWh嘉泰姆	500VWh嘉泰姆	0.8VWh嘉泰姆	100VWh嘉泰姆	300VWh嘉泰姆	GND, IN, GND, FB, COMP, EN, LX, LXVWh嘉泰姆	SOP-8VWh嘉泰姆
CXSD62377VWh嘉泰姆	4.75VWh嘉泰姆	20VWh嘉泰姆	2VWh嘉泰姆	500VWh嘉泰姆	1.2VWh嘉泰姆	100VWh嘉泰姆	1000VWh嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCVWh嘉泰姆	SOP-8VWh嘉泰姆
CXSD62378VWh嘉泰姆	4.75VWh嘉泰姆	20VWh嘉泰姆	3VWh嘉泰姆	500VWh嘉泰姆	1.2VWh嘉泰姆	100VWh嘉泰姆	1000VWh嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCVWh嘉泰姆	SOP-8(FD)VWh嘉泰姆
CXSD62379VWh嘉泰姆	4.75VWh嘉泰姆	20VWh嘉泰姆	2.5VWh嘉泰姆	500VWh嘉泰姆	0.8VWh嘉泰姆	100VWh嘉泰姆	1000VWh嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCVWh嘉泰姆	SOP-8VWh嘉泰姆
CXSD62380VWh嘉泰姆	4.75VWh嘉泰姆	20VWh嘉泰姆	2VWh嘉泰姆	380VWh嘉泰姆	1.22VWh嘉泰姆	100VWh嘉泰姆	1000VWh嘉泰姆	NC, IN, LX, GND, FB, EN, SSVWh嘉泰姆	SOP-8VWh嘉泰姆
CXSD62381VWh嘉泰姆	4.75VWh嘉泰姆	20VWh嘉泰姆	2VWh嘉泰姆	380VWh嘉泰姆	0.92VWh嘉泰姆	100VWh嘉泰姆	1000VWh嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SS, VWh嘉泰姆 NC*3IN, LX, GND, FB, COMP, EN, SSVWh嘉泰姆	SOP-8/MSOP-10(FD)VWh嘉泰姆
CXSD62382/3VWh嘉泰姆	4.75VWh嘉泰姆	20VWh嘉泰姆	3VWh嘉泰姆	380VWh嘉泰姆	1.22/0.92VWh嘉泰姆	100VWh嘉泰姆	1000VWh嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SSVWh嘉泰姆	SOP-8(FD)VWh嘉泰姆
CXSD62384VWh嘉泰姆	3VWh嘉泰姆	5.5VWh嘉泰姆	2VWh嘉泰姆	ADJVWh嘉泰姆	0.8VWh嘉泰姆	100VWh嘉泰姆	2000VWh嘉泰姆	COMP, GND, EN, IN, LX*2, FQEQ, FBVWh嘉泰姆	SOP-8VWh嘉泰姆
CXSD62385VWh嘉泰姆	3VWh嘉泰姆	5.5VWh嘉泰姆	4VWh嘉泰姆	ADJVWh嘉泰姆	0.8VWh嘉泰姆	100VWh嘉泰姆	2000VWh嘉泰姆	COMP, GND, EN, IN, LX, LX, FQEQ, FBVWh嘉泰姆	SOP-8(FD)VWh嘉泰姆
CXSD62386/AVWh嘉泰姆	4.5VWh嘉泰姆	24VWh嘉泰姆	2VWh嘉泰姆	380VWh嘉泰姆	1.22/0.92VWh嘉泰姆	90VWh嘉泰姆	1500VWh嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSVWh嘉泰姆	SOP-8/MSOP-10(FD)VWh嘉泰姆
CXSD62387/AVWh嘉泰姆	4.5VWh嘉泰姆	24VWh嘉泰姆	3VWh嘉泰姆	380VWh嘉泰姆	1.22/0.92VWh嘉泰姆	90VWh嘉泰姆	1500VWh嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSVWh嘉泰姆	SOP-(FD)/DIP-8/MSOP-10(FD)VWh嘉泰姆
CXSD62388/AVWh嘉泰姆	4.75VWh嘉泰姆	24VWh嘉泰姆	2VWh嘉泰姆	380VWh嘉泰姆	1.22/0.92VWh嘉泰姆	90VWh嘉泰姆	1500VWh嘉泰姆	SS/NC, BS, IN, LX, GND, FB, COMP, ENVWh嘉泰姆	SOP-8VWh嘉泰姆
CXSD62389VWh嘉泰姆	4.5VWh嘉泰姆	28VWh嘉泰姆	3VWh嘉泰姆	ADJVWh嘉泰姆	0.8VWh嘉泰姆	90VWh嘉泰姆	170VWh嘉泰姆	LX, EN, COMP, FB, GND, FREQ, IN, BSVWh嘉泰姆 Dutymax = 1 - (TOFFmin * 900K)VWh嘉泰姆	SOP-8(FD)/DIP-8/TDFN3X3-8VWh嘉泰姆
CXSD62390VWh嘉泰姆	7VWh嘉泰姆	18VWh嘉泰姆	4VWh嘉泰姆	400VWh嘉泰姆	0.8VWh嘉泰姆	90VWh嘉泰姆	700VWh嘉泰姆	EN, BS, IN, LX, VCC, GND, FB, COMPVWh嘉泰姆	SOP-8(FD)VWh嘉泰姆
CXSD62391VWh嘉泰姆	6.5VWh嘉泰姆	24VWh嘉泰姆	2VWh嘉泰姆	385VWh嘉泰姆	1.22/0.92VWh嘉泰姆	90VWh嘉泰姆	1500VWh嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSVWh嘉泰姆	SOP-8VWh嘉泰姆
CXSD62392VWh嘉泰姆	4.5VWh嘉泰姆	28VWh嘉泰姆	3VWh嘉泰姆	380VWh嘉泰姆	1.22VWh嘉泰姆	90VWh嘉泰姆	1500VWh嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSVWh嘉泰姆	SOP-8(FD)VWh嘉泰姆

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