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TOPUzL嘉泰姆

„ Voltage Mode Asynchronous PWM Control UzL嘉泰姆

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

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

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

„ 300KHz Fixed Frequency Internal Oscillator UzL嘉泰姆

„ Built-in Switching Transistor on Chip UzL嘉泰姆

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

„ ON/OFF Shutdown Control UzL嘉泰姆

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

„ Available in SOP-8 PackagesUzL嘉泰姆

应用范围 返回TOPUzL嘉泰姆

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

„ On-card switching regulators UzL嘉泰姆

„ Positive to negative converterUzL嘉泰姆

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Asynchronous Step Down ConverterUzL嘉泰姆
Part NO.UzL嘉泰姆	Vin(V)UzL嘉泰姆 min.UzL嘉泰姆	Vin(V)UzL嘉泰姆 max.UzL嘉泰姆	IOUTUzL嘉泰姆 (A)UzL嘉泰姆	FSWUzL嘉泰姆 (kHz)UzL嘉泰姆	FB(V)UzL嘉泰姆	DutyUzL嘉泰姆 max(%)UzL嘉泰姆	IQUzL嘉泰姆 (μA)UzL嘉泰姆	NoteUzL嘉泰姆	PackageUzL嘉泰姆
CXSD62374UzL嘉泰姆	4.5UzL嘉泰姆	24UzL嘉泰姆	1.5UzL嘉泰姆	1400UzL嘉泰姆	0.92UzL嘉泰姆	65UzL嘉泰姆	1300UzL嘉泰姆	BS, IN, LX,GND, FB, COMP, EN, SSUzL嘉泰姆	SOP-8(FD)UzL嘉泰姆
CXSD62375UzL嘉泰姆	5.5UzL嘉泰姆	20UzL嘉泰姆	3UzL嘉泰姆	300UzL嘉泰姆	0.8UzL嘉泰姆	100UzL嘉泰姆	1000UzL嘉泰姆	FB, EN, NC, IN, NC, LX, GND, NCUzL嘉泰姆	SOP-8UzL嘉泰姆
CXSD62376UzL嘉泰姆	5UzL嘉泰姆	14UzL嘉泰姆	2UzL嘉泰姆	500UzL嘉泰姆	0.8UzL嘉泰姆	100UzL嘉泰姆	300UzL嘉泰姆	GND, IN, GND, FB, COMP, EN, LX, LXUzL嘉泰姆	SOP-8UzL嘉泰姆
CXSD62377UzL嘉泰姆	4.75UzL嘉泰姆	20UzL嘉泰姆	2UzL嘉泰姆	500UzL嘉泰姆	1.2UzL嘉泰姆	100UzL嘉泰姆	1000UzL嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCUzL嘉泰姆	SOP-8UzL嘉泰姆
CXSD62378UzL嘉泰姆	4.75UzL嘉泰姆	20UzL嘉泰姆	3UzL嘉泰姆	500UzL嘉泰姆	1.2UzL嘉泰姆	100UzL嘉泰姆	1000UzL嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCUzL嘉泰姆	SOP-8(FD)UzL嘉泰姆
CXSD62379UzL嘉泰姆	4.75UzL嘉泰姆	20UzL嘉泰姆	2.5UzL嘉泰姆	500UzL嘉泰姆	0.8UzL嘉泰姆	100UzL嘉泰姆	1000UzL嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCUzL嘉泰姆	SOP-8UzL嘉泰姆
CXSD62380UzL嘉泰姆	4.75UzL嘉泰姆	20UzL嘉泰姆	2UzL嘉泰姆	380UzL嘉泰姆	1.22UzL嘉泰姆	100UzL嘉泰姆	1000UzL嘉泰姆	NC, IN, LX, GND, FB, EN, SSUzL嘉泰姆	SOP-8UzL嘉泰姆
CXSD62381UzL嘉泰姆	4.75UzL嘉泰姆	20UzL嘉泰姆	2UzL嘉泰姆	380UzL嘉泰姆	0.92UzL嘉泰姆	100UzL嘉泰姆	1000UzL嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SS, UzL嘉泰姆 NC*3IN, LX, GND, FB, COMP, EN, SSUzL嘉泰姆	SOP-8/MSOP-10(FD)UzL嘉泰姆
CXSD62382/3UzL嘉泰姆	4.75UzL嘉泰姆	20UzL嘉泰姆	3UzL嘉泰姆	380UzL嘉泰姆	1.22/0.92UzL嘉泰姆	100UzL嘉泰姆	1000UzL嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SSUzL嘉泰姆	SOP-8(FD)UzL嘉泰姆
CXSD62384UzL嘉泰姆	3UzL嘉泰姆	5.5UzL嘉泰姆	2UzL嘉泰姆	ADJUzL嘉泰姆	0.8UzL嘉泰姆	100UzL嘉泰姆	2000UzL嘉泰姆	COMP, GND, EN, IN, LX*2, FQEQ, FBUzL嘉泰姆	SOP-8UzL嘉泰姆
CXSD62385UzL嘉泰姆	3UzL嘉泰姆	5.5UzL嘉泰姆	4UzL嘉泰姆	ADJUzL嘉泰姆	0.8UzL嘉泰姆	100UzL嘉泰姆	2000UzL嘉泰姆	COMP, GND, EN, IN, LX, LX, FQEQ, FBUzL嘉泰姆	SOP-8(FD)UzL嘉泰姆
CXSD62386/AUzL嘉泰姆	4.5UzL嘉泰姆	24UzL嘉泰姆	2UzL嘉泰姆	380UzL嘉泰姆	1.22/0.92UzL嘉泰姆	90UzL嘉泰姆	1500UzL嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSUzL嘉泰姆	SOP-8/MSOP-10(FD)UzL嘉泰姆
CXSD62387/AUzL嘉泰姆	4.5UzL嘉泰姆	24UzL嘉泰姆	3UzL嘉泰姆	380UzL嘉泰姆	1.22/0.92UzL嘉泰姆	90UzL嘉泰姆	1500UzL嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSUzL嘉泰姆	SOP-(FD)/DIP-8/MSOP-10(FD)UzL嘉泰姆
CXSD62388/AUzL嘉泰姆	4.75UzL嘉泰姆	24UzL嘉泰姆	2UzL嘉泰姆	380UzL嘉泰姆	1.22/0.92UzL嘉泰姆	90UzL嘉泰姆	1500UzL嘉泰姆	SS/NC, BS, IN, LX, GND, FB, COMP, ENUzL嘉泰姆	SOP-8UzL嘉泰姆
CXSD62389UzL嘉泰姆	4.5UzL嘉泰姆	28UzL嘉泰姆	3UzL嘉泰姆	ADJUzL嘉泰姆	0.8UzL嘉泰姆	90UzL嘉泰姆	170UzL嘉泰姆	LX, EN, COMP, FB, GND, FREQ, IN, BSUzL嘉泰姆 Dutymax = 1 - (TOFFmin * 900K)UzL嘉泰姆	SOP-8(FD)/DIP-8/TDFN3X3-8UzL嘉泰姆
CXSD62390UzL嘉泰姆	7UzL嘉泰姆	18UzL嘉泰姆	4UzL嘉泰姆	400UzL嘉泰姆	0.8UzL嘉泰姆	90UzL嘉泰姆	700UzL嘉泰姆	EN, BS, IN, LX, VCC, GND, FB, COMPUzL嘉泰姆	SOP-8(FD)UzL嘉泰姆
CXSD62391UzL嘉泰姆	6.5UzL嘉泰姆	24UzL嘉泰姆	2UzL嘉泰姆	385UzL嘉泰姆	1.22/0.92UzL嘉泰姆	90UzL嘉泰姆	1500UzL嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSUzL嘉泰姆	SOP-8UzL嘉泰姆
CXSD62392UzL嘉泰姆	4.5UzL嘉泰姆	28UzL嘉泰姆	3UzL嘉泰姆	380UzL嘉泰姆	1.22UzL嘉泰姆	90UzL嘉泰姆	1500UzL嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSUzL嘉泰姆	SOP-8(FD)UzL嘉泰姆

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