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NJM2891PB1-2725 Datasheet(PDF) 1 Page - New Japan Radio |
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NJM2891PB1-2725 Datasheet(HTML) 1 Page - New Japan Radio |
1 / 10 page NJM2891 2ch LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION PACKAGE OUTLINE The NJM2891 is low dropout voltage regulator designed for cellular phone application. 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=30 µVrms typ.(Cp=0.01µF) Output capacitor with 1.0 µF 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) 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 NJM2891PB1 EQUIVALENT CIRCUIT NJM2891PB1 PIN FUNCTION 1. VOUT2 7. CONTROL1 2. VOUT2 8. VOUT1 3. GND 9. VOUT1 4. CONTROL2 10. NOISE BYPASS1 5. VIN2 11. NC 6. VIN1 12. NOISE BYPASS2 VOUT1/ VOUT2 GND VIN1/ VIN2 Thermal Protection Bandgap Reference Noise Bypass1 / Noise Bypass2 Cont1/Cont2 TOP 1 2 3 4 5 6 7 8 9 10 11 12 3 2 1 12 9 8 7 6 5 4 11 10 BOTTOM |
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