NJU7241 Series. High-Precision LDO 60mA C-MOS Voltage Regulator with Standby TERMINAL DESCRIPTION PACKAGE OUTLINE

Transcription

1 High-Precision LDO 60mA C-MOS oltage Regulator with Standby GENERAL DESCRIPTION The NJU7241 series are high precision ±2%, 60mA output, C-MOS voltage regulators with standby function, which contains internal accurate voltage reference, error amplifier, control transistor, output voltage setting resistor, short current protection circuit and standby circuit. The fixed regulation voltages of internal circuits are as following line-up. The NJU7241 series packed MTP5 and suitable for battery-operated items, battery back-up systems, and especially control block of cellular phone system because of low operating current and low dropout voltage. PACKAGE OUTLINE NJU7241F FEATURES High Precision Output oltage Low Operating Current Low Standby Current Low Dropout oltage Ripple Rejection Standby Function ±2% 20µA typ. 0.1µA typ. 0.2 typ. OUT =3 55dB Small Temperature Coefficient of Output oltage Wide Operating oltage Range Package Outline MTP-5 C-MOS Technology OUTPUT OLTAGE LINE-UP Output oltage Type Output oltage Type 1.8 NJU7241F NJU7250F NJU7241F NJU7241F NJU7241F NJU7241F NJU7241F NJU7241F NJU7241F NJU7241F NJU7241F NJU7241F NJU7241F NJU7241F NJU7241F NJU7241F NJU7250F Planning oltage: 2.4, 3.5, 3.6, 4.0 and 6.0 TERMINAL DESCRIPTION No. Symbol Function 1 2 IN Input 3 OUT Output 4 NC None Connection 5 STB Standby: Internal Pull-down H: Regulation L: Standby, Output off PIN CONFIGURATION

2 EQUIALENT CIRCUIT Short Current Protection Circuit IN 2 3 OUT STB REF ABSOLUTE MAXIMUM RATINGS (Ta=25 C) Parameter Symbol Ratings Unit Input oltage IN 15 Input oltage STB -0.3 IN +0.3 Output oltage OUT -0.3 IN +0.3 Output Current I OUT 120 ma Power Dissipation P D 200 mw Operating Temperature Topr C Storage Temperature Tstg C ELECTRICAL CHARACTERISTICS 1 O =1.8 Output oltage O IN =2.8, I O =30mA Dropout oltage IO I O =15mA Operating Current I DD1 IN =2.8, STB = IN, No Load µa Standby Current I DD2 IN =2.8, STB = µa Input Current I STB IN =2.8, STB = IN µa Load Regulation O / I O IN =2.8, 1mA I O 60mA m Line Regulation O / IN IN = %/ Ripple Rejection RR IN =2.8, ein=0.5p-p, 1kHz 55 db O =2.4 Output oltage O IN =3.4, I O =30mA Dropout oltage IO I O =30mA Operating Current I DD1 IN =3.4, STB = IN, No Load µa Standby Current I DD2 IN =3.4, STB = µa Input Current I STB IN =3.4, STB = IN µa Load Regulation O / I O IN =3.4, 1mA I O 60mA m Line Regulation O / IN IN = %/ Ripple Rejection RR IN =3.4, ein=0.5p-p, 1kHz 55 db

3 O =2.5 Output oltage O IN =3.5, I O =30mA Dropout oltage IO I O =50mA Operating Current I DD1 IN =3.5, STB = IN, No Load µa Standby Current I DD2 IN =3.5, STB = µa Input Current I STB IN =3.5, STB = IN µa Load Regulation O / I O IN =3.5, 1mA I O 60mA m Line Regulation O / IN IN = %/ Ripple Rejection RR IN =3.5, ein=0.5p-p, 1kHz 55 db O =2.55 Output oltage O IN =3.55, I O =30mA Dropout oltage IO I O =50mA Operating Current I DD1 IN =3.55, STB = IN, No Load µa Standby Current I DD2 IN =3.55, STB = µa Input Current I STB IN =3.55, STB = IN µa Load Regulation O / I O IN =3.55, 1mA I O 60mA m Line Regulation O / IN IN = %/ Ripple Rejection RR IN =3.55, ein=0.5p-p, 1kHz 55 db O =2.8 Output oltage O IN =3.8, I O =30mA Dropout oltage IO I O =50mA Operating Current I DD1 IN =3.8, STB = IN, No Load µa Standby Current I DD2 IN =3.8, STB = µa Input Current I STB IN =3.8, STB = IN µa Load Regulation O / I O IN =3.8, 1mA I O 60mA m Line Regulation O / IN IN = %/ Ripple Rejection RR IN =3.8, ein=0.5p-p, 1kHz 55 db

4 O =2.85 Output oltage O IN =3.85, I O =30mA Dropout oltage IO I O =50mA Operating Current I DD1 IN =3.85, STB = IN, No Load µa Standby Current I DD2 IN =3.85, STB = µa Input Current I STB IN =3.85, STB = IN µa Load Regulation O / I O IN =3.85, 1mA I O 60mA m Line Regulation O / IN IN = %/ Ripple Rejection RR IN =3.85, ein=0.5p-p, 1kHz 55 db O =2.9 Output oltage O IN =3.9, I O =30mA Dropout oltage IO I O =50mA Operating Current I DD1 IN =3.9, STB = IN, No Load µa Standby Current I DD2 IN =3.9, STB = µa Input Current I STB IN =3.9, STB = IN µa Load Regulation O / I O IN =3.9, 1mA I O 60mA m Line Regulation O / IN IN = %/ Ripple Rejection RR IN =3.9, ein=0.5p-p, 1kHz 55 db O =3.0 Output oltage O IN =4.0, I O =30mA Operating Current I DD1 IN =4.0, STB = IN, No Load µa Standby Current I DD2 IN =4.0, STB = µa Input Current I STB IN =4.0, STB = IN µa Load Regulation O / I O IN =4.0, 1mA I O 60mA m Line Regulation O / IN IN = %/ Ripple Rejection RR IN =4.0, ein=0.5p-p, 1kHz 55 db

5 O =3.3 Output oltage O IN =4.3, I O =30mA Operating Current I DD1 IN =4.3, STB = IN, No Load µa Standby Current I DD2 IN =4.3, STB = µa Input Current I STB IN =4.3, STB = IN µa Load Regulation O / I O IN =4.3, 1mA I O 60mA m Line Regulation O / IN IN = %/ Ripple Rejection RR IN =4.3, ein=0.5p-p, 1kHz 55 db O =3.4 Output oltage O IN =4.4, I O =30mA Operating Current I DD1 IN =4.4, STB = IN, No Load µa Standby Current I DD2 IN =4.4, STB = µa Input Current I STB IN =4.4, STB = IN µa Load Regulation O / I O IN =4.4, 1mA I O 60mA m Line Regulation O / IN IN = %/ Ripple Rejection RR IN =4.4, ein=0.5p-p, 1kHz 55 db O =3.5 Output oltage O IN =4.5, I O =30mA Operating Current I DD1 IN =4.5, STB = IN, No Load µa Standby Current I DD2 IN =4.5, STB = µa Input Current I STB IN =4.5, STB = IN µa Load Regulation O / I O IN =4.5, 1mA I O 60mA m Line Regulation O / IN IN = %/ Ripple Rejection RR IN =4.5, ein=0.5p-p, 1kHz 55 db

6 O =3.6 Output oltage O IN =4.6, I O =30mA Operating Current I DD1 IN =4.6, STB = IN, No Load µa Standby Current I DD2 IN =4.6, STB = µa Input Current I STB IN =4.6, STB = IN µa Load Regulation O / I O IN =4.6, 1mA I O 60mA m Line Regulation O / IN IN = %/ Ripple Rejection RR IN =4.6, ein=0.5p-p, 1kHz 55 db O =4.0 Output oltage O IN =5.0, I O =30mA Operating Current I DD1 IN =5.0, STB = IN, No Load µa Standby Current I DD2 IN =5.0, STB = µa Input Current I STB IN =5.0, STB = IN µa Load Regulation O / I O IN =5.0, 1mA I O 60mA m Line Regulation O / IN IN = %/ Ripple Rejection RR IN =5.0, ein=0.5p-p, 1kHz 55 db O =4.5 Output oltage O IN =5.5, I O =30mA Operating Current I DD1 IN =5.5, STB = IN, No Load µa Standby Current I DD2 IN =5.5, STB = µa Input Current I STB IN =5.5, STB = IN µa Load Regulation O / I O IN =5.5, 1mA I O 60mA m Line Regulation O / IN IN = %/ Ripple Rejection RR IN =5.5, ein=0.5p-p, 1kHz 55 db

7 O =5.0 Output oltage O IN =6.0, I O =30mA Operating Current I DD1 IN =6.0, STB = IN, No Load µa Standby Current I DD2 IN =6.0, STB = µa Input Current I STB IN =6.0, STB = IN µa Load Regulation O / I O IN =6.0, 1mA I O 60mA m Line Regulation O / IN IN = %/ Ripple Rejection RR IN =6.0, ein=0.5p-p, 1kHz 55 db O =5.9 Output oltage O IN =6.9, I O =30mA Operating Current I DD1 IN =6.9, STB = IN, No Load µa Standby Current I DD2 IN =6.9, STB = µa Input Current I STB IN =6.9, STB = IN µa Load Regulation O / I O IN =6.9, 1mA I O 60mA m Line Regulation O / IN IN = %/ Ripple Rejection RR IN =6.9, ein=0.5p-p, 1kHz 55 db O =6.0 Output oltage O IN =7.0, I O =30mA Operating Current I DD1 IN =7.0, STB = IN, No Load µa Standby Current I DD2 IN =7.0, STB = µa Input Current I STB IN =7.0, STB = IN µa Load Regulation O / I O IN =7.0, 1mA I O 60mA m Line Regulation O / IN IN = %/ Ripple Rejection RR IN =7.0, ein=0.5p-p, 1kHz 55 db

8 MEASUREMENT CIRCUIT Standard Test Circuit A IN OUT IN CIN STB CO A RL Standby Input oltage Test Circuit IN OUT IN CIN A STB STB CO Standby Input Current Test Circuit A IN OUT IN CIN STB CO Ripple Rejection Test Circuit IN OUT ~ IN CIN STB CO [CAUTION] The specifications on this databook are only given for information, without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights.