LP3981-12B5F POWER [Lowpower Semiconductor inc], LP3981-12B5F Datasheet - Page 2

• Manufacturer Part Number: LP3981-12B5F
• Description: 300mA,Ultra-low noise, Small Package Ultra-Fast CMOS LDO Regulator
• Manufacturer: POWER [Lowpower Semiconductor inc]

Pin Name
EN
NC
GND
VOUT
VIN
Function Block Diagram
Absolute Maximum Ratings
Supply Input Voltage-------------------------------------------------------------------------------------------------------------6V
SOT-25
Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------------------------260°C
Storage Temperature Range -------------------------------------------------------------------------------- −65°C to 150°C
ESD Susceptibility
HBM (Human Body Mode) ---------------------------------------------------------------------------------------------------2kV
MM(Machine-Mode)-----------------------------------------------------------------------------------------------------------200V
Recommended Operating Conditions
Supply Input Voltage------------------------------------------------------------------------------------------------2.5V to 5.5V
EN Input Voltage ------------------------------------------------------------------------------------------------------0V to 5.5V
Operation Junction Temperature Range -----------------------------------------------------------------−40°C to 125°C
Operation Ambient TemperatureRange--------------------------------------------------------------------−40°C to 85°C
LP3981 – 01 Ver. 1.1 Datasheet
Power Dissipation, PD @ TA = 25°C
SOT-25 --------------------------------------------------------------------------------------------------------400mW
Package Thermal Resistance
Functional Pin Description
, θJA ---------------------------------------------------------------------------------------------------------------250°C/W
Pin Function
Chip Enable (Active High). Note that this pin is high impedance. There should be a pull low
100kΩ resistor connected to GND when the control signal is floating.
NC
Ground
Power Input Voltage
Output Voltage
Feb.-2008
Preliminary Datasheet
Page 2 of 8
LP3981