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.

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„ Voltage Mode Asynchronous PWM Control c3g嘉泰姆

„ 3.3V, 5V and Adjustable Output Version c3g嘉泰姆

„ Operation Voltage can be up to 20V c3g嘉泰姆

„ Adjustable Version Output Voltage Range, 0.8V to 16V±2% c3g嘉泰姆

„ 300KHz Fixed Frequency Internal Oscillator c3g嘉泰姆

„ Built-in Switching Transistor on Chip c3g嘉泰姆

„ 3A Output Load Current „ Thermal Shutdown and Current Limit Protection c3g嘉泰姆

„ ON/OFF Shutdown Control c3g嘉泰姆

„ Iq of Low Power Standby Mode 1μA c3g嘉泰姆

„ Available in SOP-8 Packagesc3g嘉泰姆

应用范围 返回TOPc3g嘉泰姆

„ Simple high-efficiency step-down regulator c3g嘉泰姆

„ On-card switching regulators c3g嘉泰姆

„ Positive to negative converterc3g嘉泰姆

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Asynchronous Step Down Converterc3g嘉泰姆
Part NO.c3g嘉泰姆	Vin(V)c3g嘉泰姆 min.c3g嘉泰姆	Vin(V)c3g嘉泰姆 max.c3g嘉泰姆	IOUTc3g嘉泰姆 (A)c3g嘉泰姆	FSWc3g嘉泰姆 (kHz)c3g嘉泰姆	FB(V)c3g嘉泰姆	Dutyc3g嘉泰姆 max(%)c3g嘉泰姆	IQc3g嘉泰姆 (μA)c3g嘉泰姆	Notec3g嘉泰姆	Packagec3g嘉泰姆
CXSD62374c3g嘉泰姆	4.5c3g嘉泰姆	24c3g嘉泰姆	1.5c3g嘉泰姆	1400c3g嘉泰姆	0.92c3g嘉泰姆	65c3g嘉泰姆	1300c3g嘉泰姆	BS, IN, LX,GND, FB, COMP, EN, SSc3g嘉泰姆	SOP-8(FD)c3g嘉泰姆
CXSD62375c3g嘉泰姆	5.5c3g嘉泰姆	20c3g嘉泰姆	3c3g嘉泰姆	300c3g嘉泰姆	0.8c3g嘉泰姆	100c3g嘉泰姆	1000c3g嘉泰姆	FB, EN, NC, IN, NC, LX, GND, NCc3g嘉泰姆	SOP-8c3g嘉泰姆
CXSD62376c3g嘉泰姆	5c3g嘉泰姆	14c3g嘉泰姆	2c3g嘉泰姆	500c3g嘉泰姆	0.8c3g嘉泰姆	100c3g嘉泰姆	300c3g嘉泰姆	GND, IN, GND, FB, COMP, EN, LX, LXc3g嘉泰姆	SOP-8c3g嘉泰姆
CXSD62377c3g嘉泰姆	4.75c3g嘉泰姆	20c3g嘉泰姆	2c3g嘉泰姆	500c3g嘉泰姆	1.2c3g嘉泰姆	100c3g嘉泰姆	1000c3g嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCc3g嘉泰姆	SOP-8c3g嘉泰姆
CXSD62378c3g嘉泰姆	4.75c3g嘉泰姆	20c3g嘉泰姆	3c3g嘉泰姆	500c3g嘉泰姆	1.2c3g嘉泰姆	100c3g嘉泰姆	1000c3g嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCc3g嘉泰姆	SOP-8(FD)c3g嘉泰姆
CXSD62379c3g嘉泰姆	4.75c3g嘉泰姆	20c3g嘉泰姆	2.5c3g嘉泰姆	500c3g嘉泰姆	0.8c3g嘉泰姆	100c3g嘉泰姆	1000c3g嘉泰姆	IN, EN, COMP, FB, NC, GND, LX, NCc3g嘉泰姆	SOP-8c3g嘉泰姆
CXSD62380c3g嘉泰姆	4.75c3g嘉泰姆	20c3g嘉泰姆	2c3g嘉泰姆	380c3g嘉泰姆	1.22c3g嘉泰姆	100c3g嘉泰姆	1000c3g嘉泰姆	NC, IN, LX, GND, FB, EN, SSc3g嘉泰姆	SOP-8c3g嘉泰姆
CXSD62381c3g嘉泰姆	4.75c3g嘉泰姆	20c3g嘉泰姆	2c3g嘉泰姆	380c3g嘉泰姆	0.92c3g嘉泰姆	100c3g嘉泰姆	1000c3g嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SS, c3g嘉泰姆 NC*3IN, LX, GND, FB, COMP, EN, SSc3g嘉泰姆	SOP-8/MSOP-10(FD)c3g嘉泰姆
CXSD62382/3c3g嘉泰姆	4.75c3g嘉泰姆	20c3g嘉泰姆	3c3g嘉泰姆	380c3g嘉泰姆	1.22/0.92c3g嘉泰姆	100c3g嘉泰姆	1000c3g嘉泰姆	NC, IN, LX, GND, FB, COMP, EN, SSc3g嘉泰姆	SOP-8(FD)c3g嘉泰姆
CXSD62384c3g嘉泰姆	3c3g嘉泰姆	5.5c3g嘉泰姆	2c3g嘉泰姆	ADJc3g嘉泰姆	0.8c3g嘉泰姆	100c3g嘉泰姆	2000c3g嘉泰姆	COMP, GND, EN, IN, LX*2, FQEQ, FBc3g嘉泰姆	SOP-8c3g嘉泰姆
CXSD62385c3g嘉泰姆	3c3g嘉泰姆	5.5c3g嘉泰姆	4c3g嘉泰姆	ADJc3g嘉泰姆	0.8c3g嘉泰姆	100c3g嘉泰姆	2000c3g嘉泰姆	COMP, GND, EN, IN, LX, LX, FQEQ, FBc3g嘉泰姆	SOP-8(FD)c3g嘉泰姆
CXSD62386/Ac3g嘉泰姆	4.5c3g嘉泰姆	24c3g嘉泰姆	2c3g嘉泰姆	380c3g嘉泰姆	1.22/0.92c3g嘉泰姆	90c3g嘉泰姆	1500c3g嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSc3g嘉泰姆	SOP-8/MSOP-10(FD)c3g嘉泰姆
CXSD62387/Ac3g嘉泰姆	4.5c3g嘉泰姆	24c3g嘉泰姆	3c3g嘉泰姆	380c3g嘉泰姆	1.22/0.92c3g嘉泰姆	90c3g嘉泰姆	1500c3g嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSc3g嘉泰姆	SOP-(FD)/DIP-8/MSOP-10(FD)c3g嘉泰姆
CXSD62388/Ac3g嘉泰姆	4.75c3g嘉泰姆	24c3g嘉泰姆	2c3g嘉泰姆	380c3g嘉泰姆	1.22/0.92c3g嘉泰姆	90c3g嘉泰姆	1500c3g嘉泰姆	SS/NC, BS, IN, LX, GND, FB, COMP, ENc3g嘉泰姆	SOP-8c3g嘉泰姆
CXSD62389c3g嘉泰姆	4.5c3g嘉泰姆	28c3g嘉泰姆	3c3g嘉泰姆	ADJc3g嘉泰姆	0.8c3g嘉泰姆	90c3g嘉泰姆	170c3g嘉泰姆	LX, EN, COMP, FB, GND, FREQ, IN, BSc3g嘉泰姆 Dutymax = 1 - (TOFFmin * 900K)c3g嘉泰姆	SOP-8(FD)/DIP-8/TDFN3X3-8c3g嘉泰姆
CXSD62390c3g嘉泰姆	7c3g嘉泰姆	18c3g嘉泰姆	4c3g嘉泰姆	400c3g嘉泰姆	0.8c3g嘉泰姆	90c3g嘉泰姆	700c3g嘉泰姆	EN, BS, IN, LX, VCC, GND, FB, COMPc3g嘉泰姆	SOP-8(FD)c3g嘉泰姆
CXSD62391c3g嘉泰姆	6.5c3g嘉泰姆	24c3g嘉泰姆	2c3g嘉泰姆	385c3g嘉泰姆	1.22/0.92c3g嘉泰姆	90c3g嘉泰姆	1500c3g嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSc3g嘉泰姆	SOP-8c3g嘉泰姆
CXSD62392c3g嘉泰姆	4.5c3g嘉泰姆	28c3g嘉泰姆	3c3g嘉泰姆	380c3g嘉泰姆	1.22c3g嘉泰姆	90c3g嘉泰姆	1500c3g嘉泰姆	BS, IN, LX, GND, FB, COMP, EN, SSc3g嘉泰姆	SOP-8(FD)c3g嘉泰姆

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