NJM2391 LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION PACKAGE OUTLINE The NJM2391 is low dropout voltage regulators 1. IN 2 featuring high precision voltage. 2. GND It is suitable for Notebook PCs, PC cards and hard 3. OUT 3 disks where 3.3V need to be generated from 5V supply. 1 A small TO-252 package is adopted for the space NJM2391DL1 saving. FEATURES Output Current Io(max.)=1A High Precision Output Voltage Vo1% Low Dropout Voltage V =1.1V typ. At Io=1A I-O Internal Excessive Voltage Protection Circuit Internal Short Circuit Current Limit Internal Thermal Overload Protection Bipolar Technology Package Outline TO-252 ABSOLUTE MAXIMUM RATINGS (Ta=25C) PARAMETER SYMBOL RATINGS UNIT + Input Voltage V +10 V 8 (Tc=25C) Power Dissipation P TO-252 W D 0.8(Ta25C) Operating Temperature Topr 40 ~ +85 C Storage Temperature Tstg 50 ~ +125 C OUTPUT VOLTAGE RANK LIST Device Name V OUT NJM2391DL1-25 2.5V NJM2391DL1-26 2.6V NJM2391DL1-28 2.85V NJM2391DL1-03 3.0V NJM2391DL1-33 3.3V NJM2391DL1-35 3.5V NJM2391DL1-05 5.0V NJM2391 ELECTRICAL CHARACTERISTICS (C =0.1F, Co=10F, Tj=25C) IN Measurement is to be conducted is pulse testing PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Vo=2.5V Version V Output Voltage V V =5.5V, Io=0.01A 2.475 2.5 2.525 O IN Line Regulation Vo-V V =4V~9V, Io=1A 50 mV IN IN Load Regulation V =5. 5V, Io=0~1A 50 mV Vo-Io IN Quiescent Current I V =5.5V, Io=0A 2.3 4.0 mA Q IN V =5.5V, ein=2V - IN P P Ripple Rejection RR 53 63 dB f=120Hz, Io=0.5A Io=1A 1.1 1.2 V Dropout Voltage V I-O V =5.5V, Io=0.5A IN Output Noise Voltage V 85 185 V NO BW=10Hz~100kHz Vo=2.6V Version V V V =5.6V, Io=0.01A 2.574 2.60 2.626 Output Voltage O IN Line Regulation Vo-V V =4.1V~9.1V, Io=1A 52 mV IN IN V =5.6V, Io=0~1A 52 mV Load Regulation Vo-Io IN Quiescent Current I V =5.6V, Io=0A 2.3 4.0 mA Q IN V =5.6V, ein=2V - IN P P RR 53 63 dB Ripple Rejection f=120Hz, Io=0.5A Io=1A 1.1 1.2 V Dropout Voltage V I-O V =5.6V, Io=0.5A IN Output Noise Voltage V 87 187 V NO BW=10Hz~100kHz Vo=2.85V Version V Output Voltage V V =5.85V, Io=0.01A 2.82 2.85 2.88 O IN Line Regulation Vo-V V =4.35V~9.35V, Io=1A 57 mV IN IN Load Regulation Vo-Io V =5.85V, Io=0~1A 57 mV IN Quiescent Current I V =5.85V, Io=0A 2.3 4.0 mA Q IN V =5.85V, ein=2V - IN P P RR 53 63 dB Ripple Rejection f=120Hz, Io=0.5A Dropout Voltage V Io=1A 1.1 1.2 V I-O V =5.85V, Io=0.5A IN Output Noise Voltage V 90 190 V NO BW=10Hz~100kHz Vo=3V Version V Output Voltage V V =6V, Io=0.01A 2.97 3.00 3.03 O IN V =4.5V~9.5V, Io=1A 60 mV Line Regulation Vo-V IN IN Load Regulation Vo-Io V =6V, Io=0~1A 60 mV IN Quiescent Current I V =6V, Io=0A 2.3 4.0 mA Q IN V =6V, ein=2V - IN P P Ripple Rejection RR 52 62 dB f=120Hz, Io=0.5A Dropout Voltage V Io=1A 1.1 1.2 V I-O V =6V, Io=0.5A IN V 95 195 V Output Noise Voltage NO BW=10Hz~100kHz