NJM2890

NJM2890 www.DataSheet4U.com 2ch LOW DROPOUT VOLTAGE REGULATOR ! GENERAL DESCRIPTION The NJM2890 is a dual low dropout voltage regulator. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. ! FEATURES " High Ripple Rejection 70dB typ. (f=1kHz,Vo=3V Version) " Output Noise Voltage Vno=30µVrms typ.(Cp=0.01µF) " Output capacitor with 1.0uF ceramic capacitor (Vo≥2.7V) " Output Current Io(max.)=150mA × 2ch " High Precision Output Vo±1.0% " Low Dropout Voltage 0.10V typ. (Io=60mA) " Operating Voltage Range +2.5V∼+14V (Vo≤2.0V version) " ON/OFF Control (Active High) " Internal Short Circuit Current Limit " Internal Thermal Overload Protection " Bipolar Technology " Package Outline VSP10 ! PIN CONFIGURATION ! PACKAGE OUTLINE NJM2890R 10 9 8 7 6 PIN FUNCTION 1. CONTROL1 2. VIN1 3. GND 4. VIN2 5. CONTROL2 6. NOISE BYPASS2 7. VOUT2 8. GND 9. VOUT1 10. NOISE BYPASS1 1 2 3 4 5 NJM2890R ! EQUIVALENT CIRCUIT VIN1/ VIN2 Cont1/Cont2 Thermal Protection Bandgap Reference VOUT1/ VOUT2 Noise Bypass1 / Noise Bypass2 GND NJM2890 www.DataSheet4U.com ! OUTPUT VOLTAGE RANK LIST Device Name CH1 NJM2890R2121 2.1V NJM2890R2727 2.7V NJM2890R2818 2.8V NJM2890R2828 2.8V NJM2890R0318 3.0V NJM2890R0303 3.0V NJM2890R3325 3.3V NJM2890R3326 3.3V NJM2890R3333 3.3V NJM2890R0403 4.0V NJM2890R0521 5.0V Vout CH2 2.1V 2.7V 1.8V 2.8V 1.8V 3.0V 2.5V 2.6V 3.3V 3.0V 2.1V (Ta=25°C) RATINGS UNIT +14 V +14(*1) V 320 mW −40 ∼ +85 °C −40 ∼ +125 °C (*1) When input voltage ...