NJM2846DL3

NJM2845/46 LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION The NJM2845 is low dropout voltage regulator. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. NJM2845 is 3 terminal type and NJM2846 is ON/OFF control built in type. These product can be selected according to the applications. PACKAGE OUTLINE NJM2845DL1 NJM2846DL3 FEATURES High Ripple Rejection 75dB typ. (f=1kHz,3V Version) Output Noise Voltage Vno=45µVrms typ. (Vo=3V Version) Output capacitor with 2.2µF ceramic capacitor (Vo≥2.6V) Output Current Io(max.)=800mA High Precision Output Vo ±1.0% Low Dropout Voltage 0.18V typ. (Io=500mA) ON/OFF Control (NJM2846) Internal Short Circuit Current Limit Internal Thermal Overload Protection Bipolar Technology Package Outline TO-252-3 (NJM2845DL1), TO-252-5 (NJM2846DL3) PIN CONFIGURATION 2 1.VIN 2.GND 3.VOUT 3 3 1 12345 1.CONTROL 2.VIN 3.GND 4.Vo 5.NC NJM2845DL1 EQUIVALENT CIRCUIT NJM2846DL3 V IN Thermal Protection Bandgap Reference V OUT VIN Control Bandgap Reference Thermal Protection VOUT GND GND NJM2845DL1 NJM2846DL3 Ver.2005-01-20 -1- NJM2845/46 OUTPUT VOLTAGE RANK LIST Device Name VOUT NJM284*DL*-18 1.8V NJM284*DL*-23 2.3V NJM284*DL*-25 2.5V NJM284*DL*-03 3.0V NJM284*DL*-33 3.3V NJM284*DL*-05 5.0V ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Control Voltage VCONT Power Dissipation PD (Ta=25°C) RATINGS UNIT +14 V +14(*1) V 10(Tc≤25°C) W 1.0(Ta≤25°C) Operating Topr -40 ∼ +85 °C Temperature Storage Tstg -40 ∼ +150 °C Temperature (*1): When input voltage is less than +14V, the absolute maximum control voltage is equal to the input voltage. Operating voltage VIN=+2.5V(In case of Vo