LP3990SDX-0.8

The LP3990SDX-0.8 is one member of the LP3990 family which is designed as the 150mA linear voltage regulator that can be used in (1)cellular handsets; (2)hand-held information appliances applications. This device is also designed to meet the requirements of portable, battery-powered systems providing an accurate output voltage, low noise, and low quiescent current, and to be stable with space saving ceramic capacitors as small as 0.47 F.

Features of the LP3990SDX-0.8 are:(1)1% voltage accuracy at room temperature; (2)stable with ceramic capacitor; (3)logic controlled enable; (4)no noise bypass capacitor required; (5)thermal-overload and short-circuit protection. And the key specifications of this device can be concluded into these points:(1)input voltage range: 2.0 to 6.0V; (2)output voltage range: 0.8 to 3.3V; (3)output current: 150mA; (4)output stable - capacitors: 0.47uF; (5)virtually zero IQ (disabled): <10nA; (6)very low IQ (enabled): 43uA; (7)low output noise: 150 uVRMS; (8)PSRR: 55dB at 1kHz; (9)fast start up: 105us.

The absolute maximum ratings of the LP3990SDX-0.8 can be summarized as:(1)Input Voltage: -0.3 to 6.5V;(2)Output Voltage: -0.3 to (VIN + 0.3V) to 6.5V (max);(3)Enable Input Voltage: -0.3 to (VIN + 0.3V) to 6.5V (max);(4)Junction Temperature: 150°C;(5)LLP/SOT23: 235°C;(6)micro SMD: 260°C;(7)Storage Temperature: -65 to 150°C;(8)ESD Human Body Model: 2KV:;(9)ESD Machine Model: 200 V.

The electrical characteristics of this device can be summarized as:(1)Maximum Output Current: 150 mA;(2)Short Circuit Current Limit: 1000 mA;(3)Power Supply Rejection Ratio: 55 dB;(4)Load Current: 0 A;(5)Dropout Voltage: 120 mV;(6)Low Input Threshold: 0.4 V;(7)High Input Threshold: 0.95 V;(8)Line Transient Response: 8 to 16 mV. If you want to know more information such as the electrical characteristics about it, please download the datasheet in www.seekic.com or www.chinaicmart.com.