NJM2831 LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION PACKAGE OUTLINE The NJM2831 is a 100mA output low dropout voltage regulator with ON/OFF control. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. NJM2831F NJM2831KG1 2.1V to 15.5V output voltage range, 1F small decoupling capacitor, built-in noise bypass capacitor make the NJM2831 suitable for various applications. FEATURES Output voltage options available 2.1 15.5V (0.1V step) High Ripple Rejection 75dB typ. (f=1kHz Vo=3V Version) Output Noise Voltage Vno=45Vrms typ. Output capacitor with 1.0F ceramic capacitor (Vo5.1V) Output Current Io(max.)=100mA High Precision Output Vo1.0% Low Dropout Voltage 0.10V typ. (Io=60mA) ON/OFF Control (Active High) Internal Short Circuit Current Limit Internal Thermal Overload Protection Bipolar Technology Package Outline SOT-23-5, ESON6-G1 PIN CONFIGURATION 66 5 5 4 4 11 2 2 3 3 1. GND 1. CONTROL 5 4 2. GND 2. NC 3. NC 3. CONTROL 4. V OUT Exposed Pad 4. V IN 5. V IN 1 2 3 connected to GND 11 2 2 33 66 5 5 4 4 5. NC 6. V OUT NJM2831F NJM2831KG1 EQUIVALENT CIRCUIT V V IN OUT Control Thermal Protection Bandgap Reference GND Ver.2011-06-03 - 1 - NJM2831 OUTPUT VOLTAGE The WHITE column shows applicable Voltage Rank(s) Device Name Vout Device Name Vout Device Name Vout NJM2831F-21 2.1V NJM2831F-41 4.1V NJM2831F-116 11.6V NJM2831F-22 2.2V NJM2831F-42 4.2V NJM2831F-12 12.0V NJM2831F-23 2.3V NJM2831F-43 4.3V NJM2831F-125 12.5V NJM2831F-24 2.4V NJM2831F-44 4.4V NJM2831F-13 13.0V NJM2831F-25 2.5V NJM2831F-45 4.5V NJM2831F-135 13.5V NJM2831F-26 2.6V NJM2831F-46 4.6V NJM2831F-15 15.0V NJM2831F-27 2.7V NJM2831F-47 4.7V NJM2831F-155 15.5V NJM2831F-28 2.8V NJM2831F-48 4.8V NJM2831F-29 2.9V NJM2831F-49 4.9V NJM2831F-03 3.0V NJM2831F-05 5.0V NJM2831F-31 3.1V NJM2831F-53 5.3V NJM2831F-32 3.2V NJM2831F-06 6.0V NJM2831F-33 3.3V NJM2831F-64 6.4V NJM2831F-34 3.4V NJM2831F-07 7.0V NJM2831F-35 3.5V NJM2831F-08 8.0V NJM2831F-36 3.6V NJM2831F-82 8.2V NJM2831F-37 3.7V NJM2831F-85 8.5V NJM2831F-38 3.8V NJM2831F-09 9.0V NJM2831F-39 3.9V NJM2831F-92 9.2V NJM2831F-04 4.0V NJM2831F-10 10.0V ESON Type Available Voltage Rank(s) Device Name Vout Device Name Vout Device Name Vout NJM2831KG1-33 3.3V NJM2831KG1-52 5.2V Ver.2011-06-03 - 2 -