产品概述 返回TOP6hu嘉泰姆

The CXSD62421 is a low supply current, low dropout linear regulator that comes in a space saving SOT-23-5 package. The supply current at no-load is 90μA. In the shutdown mode, the maximum supply current is less than 1μA. Operating voltage range of the CXSD62421 is from 2.5V to 5.5V. The over-current protection limit is set at 550mA typical. An over-temperature protection circuit is built-in in the CXSD62421 to prevent thermal overload. These power saving features make the CXSD62421 ideal for use in the battery-powered applications such as notebook computers, cellular phones, and PDA’s. The CXSD62421 has two modes of operation. When the SET pin is connected to ground, its output is a pre-set value: 1.5V~4.7V (interval =100mV), 2.84V, 3.15V, and 4.75V. There is no external component needed to decide the output voltage. When an output other than the preset value is needed, two external resistors should be used as a voltage divider. The output voltage is then decided by the resistor ratio. The CXSD62421 comes in a space saving SOT-23-5 package.

   产品特点 返回TOP6hu嘉泰姆

„ Low, 90μA No-Load Supply Current 6hu嘉泰姆

„ Guaranteed 300mA Output Current 6hu嘉泰姆

„ Dropout Voltage is 200mV @ 150mA Load 6hu嘉泰姆

„ Over-Temperature Protection and Short-Circuit Protection 6hu嘉泰姆

„ Two Modes of Operation 6hu嘉泰姆

---- Fixed Mode: 6hu嘉泰姆

1.5V~4.7V (interval =100mV) 6hu嘉泰姆

 2.84V (CXSD62421A), 6hu嘉泰姆

3.15V (CXSD62421B), 6hu嘉泰姆

4.75V (CXSD62421E), 6hu嘉泰姆

Adjustable Mode: from 1.25V to 5.5V 6hu嘉泰姆

„ Max. Supply Current in Shutdown Mode < 1μA 6hu嘉泰姆

„ Low Output Noise at 220μVRMS6hu嘉泰姆

 „ Stable with low cost ceramic capacitors6hu嘉泰姆

   应用范围 返回TOP6hu嘉泰姆

„ Notebook Computers 6hu嘉泰姆

„ Cellular Phones 6hu嘉泰姆

„ PDAs 6hu嘉泰姆

„ Digital still Camera and Video Recorders 6hu嘉泰姆

„ Hand-Held Devices 6hu嘉泰姆

„ Bar Code Scanners6hu嘉泰姆

   技术规格书（产品PDF) 返回TOP 6hu嘉泰姆

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