NJM2898

NJM2898 www.DataSheet4U.com 2ch ULTRA LOW NOISE LOW DROPOUT VOLTAGE REGULATOR ! GENERAL DESCRIPTION The NJM2898 is a 2ch ultra low noise low dropout voltage regulator designed for VCO Applications. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. ! PACKAGE OUTLINE NJM2898PB1 ! FEATURES " High Ripple Rejection " Output Noise Voltage 75dB typ. (f=1kHz,Vo=3V Version) Vno=19µVrms typ. (Cp=0.01µF, Co=1.0µF(Ceramic)) Vno=12µVrms typ. (Cp=0.1µF, Co=10µF(Tantalum)) " Output capacitor with 1.0uF ceramic capacitor " Output Current Io(max.)=100mA × 2ch " High Precision Output Vo±1.0% " 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 FFP12-B1 (2.0×2.0×0.85mm) ! PIN CONFIGURATION 9 10 11 12 1 2 3 8 7 6 5 4 6 5 4 3 2 1 7 8 9 10 11 12 PIN FUNCTION 1. VOUT2 2. VOUT2 3. GND 4. CONTROL2 5. VIN2 6. VIN1 7. CONTROL1 8. VOUT1 9. VOUT1 10. NOISE BYPASS1 11. NC 12. NOISE BYPASS2 TOP BOTTOM NJM2898PB1 ! EQUIVALENT CIRCUIT VIN 1/VIN2 Control1/ Control2 Bandgap Reference Thermal Protection Noise Bypass1/ Noise Bypass2 VOUT1/V OUT2 GND Ver.2006-02-21 -1- NJM2898 www.DataSheet4U.com ! OUTPUT VOLTAGE RANK LIST Device Name NJM2898PB1-2828 NJM2898PB1-JJ NJM2898PB1-0303 NJM2898PB1-0521 VOUT CH1 2.8V 2.85V 3.0V 5.0V CH2 2.8V 2.85V 3.0V 2.1V (Ta=25°C) RATINGS UNIT +14 V +14(*1) V 350(*2) mW -40 ∼ +85 °C -40 ...