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产品信息
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香港新美信专业代理OMRON，TYCO，PANASONIC继电器以及松下，MOLEX，HIROSE板对板连接器！
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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香港新美信实业有限公司是一家专业的电子产品分销商。公司主营产品有MAXIM、AD、TI、BB、FSC、SAMSUNG、MOTLILORA、DALLAS、ATMEL、TOSHIBA、XILINX等国际着名公司集成电路以及配套产品。 本公司凭着多年的经验，在全球各地开辟了广泛和稳固的供货渠道，为各大中小企业供应电子元器件产品奠定了优良的基础
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