M NCP508 Very Low Noise, Fast Turn On, 50 mA Low Dropout Voltage Regulator The NCP508 is a 50 mA low noise voltage regulator, designed to exhibit fast turn on time and high ripple rejection. Each device NCP508 PIN FUNCTION DESCRIPTION Pin No. Pin Name Description 1 V Positive power supply input voltage in 2 GND Power supply ground 3 Enable This input is used to place the device into low power stand by. When this input is pulled low, the device is disabled. If this function is not used, Enable should be connected to V . in 4 N/C Not connected pin 5 V Regulated output voltage out MAXIMUM RATING Rating Symbol Value Unit Input Voltage V 13.0 V in(max) Enable Voltage Enable 0.3 to V + 0.3 V in(max) Output Voltage V 0.3 to V + 0.3 V out in(max) Power Dissipation and Thermal Characteristics (SC88A) Power Dissipation P Internally Limited W D Thermal Resistance, JunctiontoAmbient (Note 4) R 200 C/W JA Power Dissipation and Thermal Characteristics (WDFN6) Power Dissipation P Internally Limited W D Thermal Resistance, JunctiontoAmbient (Note 4) R 313 C/W JA Maximum Junction Temperature T +125 C J Operating Ambient Temperature T 40 to +85 C A Storage Temperature T 55 to +150 C stg Lead Soldering Temperature 260C T 10 sec solder Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 1. This device series contains ESD protection and exceeds the following tests: Human Body Model 2000 V per MILSTD883, Method 3015. Machine Model Method 200 V 2. Latch up Capability (85C) 100 mA DC with trigger voltage 3. Maximum package power dissipation limits must be observed. T T ( ) J max A P D R JA 4. R on a 30 x 30 mm PCB Cu thickness 1 oz T = 25C. JA A RECOMMENDED OPERATING CONDITIONS Rating Symbol Max Unit Maximum Operating Input Voltage V 7.0 V in