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產品信息
2A, 0.25V Feedback Voltage Step-Down Switching Regulators for LED Driver
?? GENERAL DESCRIPTION
AX2002/A consists of step-down switching regulator with PWM control. These devise include a reference voltage source, oscillation circuit, error amplifier, internal PMOS and etc.
AX2002/A provides low-ripple power, high efficiency, and excellent transient characteristics. The PWM control circuit is able to the duty ratio linearly from 0 up to 100%. An enable function, an over current protect function and short circuit protect function are built inside, and when OCP or SCP happens, the operation frequency will be reduced. Also, an internal compensation BLOCK is built in to minimum external component count.
With the addition of an internal P-channel Power MOS, a coil, capacitors, and a diode connected externally, these ICs can function as step-down switching regulators. They serve as ideal power supply units for portable devices when coupled with the SOP-8L package, providing such outstanding features as low current consumption. Since this converter can accommodate an input voltage up to 23V, it is also suitable for the operation via an AC adapter. ?? FEATURES
- Input voltage：3.6V to 23V - Output voltage：0.25V to Vcc
- LED Backlight and High Power LED Application - Duty ratio：0% to 100% PWM control - Oscillation frequency：
AX2002 : 330KHz typ. AX2002A : 500KHz typ.
- Enable/Disable function.
- Current Limit (CL), Thermal Shutdown and Short Circuit Protections (SCP). - Built-in internal SW P-channel MOS. - No output capacitor is stable. -
SOP-8L Pb-Free package.
?? GENERAL DESCRIPTION
AX2002/A consists of step-down switching regulator with PWM control. These devise include a reference voltage source, oscillation circuit, error amplifier, internal PMOS and etc.
AX2002/A provides low-ripple power, high efficiency, and excellent transient characteristics. The PWM control circuit is able to the duty ratio linearly from 0 up to 100%. An enable function, an over current protect function and short circuit protect function are built inside, and when OCP or SCP happens, the operation frequency will be reduced. Also, an internal compensation BLOCK is built in to minimum external component count.
With the addition of an internal P-channel Power MOS, a coil, capacitors, and a diode connected externally, these ICs can function as step-down switching regulators. They serve as ideal power supply units for portable devices when coupled with the SOP-8L package, providing such outstanding features as low current consumption. Since this converter can accommodate an input voltage up to 23V, it is also suitable for the operation via an AC adapter. ?? FEATURES
- Input voltage：3.6V to 23V - Output voltage：0.25V to Vcc
- LED Backlight and High Power LED Application - Duty ratio：0% to 100% PWM control - Oscillation frequency：
AX2002 : 330KHz typ. AX2002A : 500KHz typ.
- Enable/Disable function.
- Current Limit (CL), Thermal Shutdown and Short Circuit Protections (SCP). - Built-in internal SW P-channel MOS. - No output capacitor is stable. -
SOP-8L Pb-Free package.
HONG KONG SINMAX INDUSTRIAL CO., ,LTD香港新美信專業代理OMRON，TYCO，PANASONIC繼電器以及松下，MOLEX，HIROSE板對板連接器！
Email: may@hkxinmax.com
Skype: sinmax2013
Website:www.hksinmax.com
TEL:0755-83135255 13713962047
FAX:0755-82905813
AGENT OF :IR,PI,MPS,ON,ST MCU,,OV,BOSH SENSOR
CONNECTOR:PANASONIC,HIROSE,MOLEX,
RELAY:OMORON,TYCO,PANASONIC,HONGFA；
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公司介紹
香港新美信實業有限公司是一家專業的電子產品分銷商。公司主營產品有MAXIM、AD、TI、BB、FSC、SAMSUNG、MOTLILORA、DALLAS、ATMEL、TOSHIBA、XILINX等國際著名公司集成電路以及配套產品。 本公司憑著多年的經驗，在全球各地開辟了廣泛和穩固的供貨渠道，為各大中小企業供應電子元器件產品奠定了優良的基礎
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