NJM2380/A ADJUSTABLE HIGH PRECISION SHUNT REGULATOR GENERAL DESCRIPTION The NJM2380/A is an adjustable high precision shunt regulator. It is adapted for downsizing power supply module, battery charger and others, because an ultra mini package (MTP5) is included in the package line-up. PACKAGE OUTLINE NJM2380D/AD NJM2380M/AM NJM2380E/AE FEATURES Operating Voltage (VREF to 18V) High Precision Voltage Reference (2.465V2%) (2.465V1% : A Version) Mounted in Ultra Mini Package (MTP5) Minimum External Parts Bipolar Technology Package Outline DIP8, DMP8, EMP8, SOT-89 (3pin), TO-92, MTP5 NJM2380L/AL NJM2380U/AU NJM2380F/AF PIN CONFIGURATION PIN FUNCTION 1. CATHODE 2. NC 3. NC 4. NC 5. NC 6. ANODE 7. NC 8. REFERENCE NJM2380D/AD NJM2380M/AM NJM2380E/AE PIN FUNCTION 1. REFERENCE 2. ANODE 3. CATHODE NJM2380L/AL NJM2380U/AU PIN FUNCTION 1. NC 2. ANODE 3. NC 4. REFERENCE NJM2380F/AF BLOCK DIAGRAM Ver.2003-07-18 -1- NJM2380/A ABSOLUTE MAXIMUM RATINGS (Ta=25C) PARAMETER SYMBOL RATINGS UNIT Cathode Voltage VKA +20 V Continuous Cathode Current IKA -100 to 150 mA Reference Input Current IREF -0.05 to 10 mA Power Dissipation PD (DIP8) 700 (DMP8) 300 (EMP8) 300 (TO-92) 500 mW (SOT-89) 350 (MTP-5) 200 Operating Temperature Range TOPR -40 to +85 C Storage Temperature Range TSTG -50 to +125 C RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL MIN. TYP. MAX. UNIT Cathode Voltage VKA VREF - 18 V Cathode Current IK 1 100 mA ELECTRICAL CHARACTERISTICS PARAMETER Reference Voltage (IK=10mA, Ta=25C) SYMBOL MIN. TYP. MAX. UNIT mV VKA=VREF(*1) 2415 2465 2515 VKA=VREF(*1), A Version 2440 2465 2490 VREFVKA10V(*2) - 1.4 2.7 mV/V 10VKA18V(*2) - 1 2 mV/V IREF R=10k, R2=(*2) - 2 4 A Minimum Input Current IMIN VKA=VREF(*1) - 0.4 1.0 mA Cathode Current (Off Cond.) IOFF VKA=18V, VREF=0V(*3) - 0.1 1.0 A VKA=VREF, f1kHz 1mAIK100mA(*1) - 0.2 - Reference Voltage Change vs. Cathode Voltage Change Reference Input Current Dynamic Impedance VREF CONDITIONS VREF/VKA ZKA TEMPERATURE CHARACTERISTICS PARAMETER SYMBOL (IK=10mA, Ta=-20 to +85C) MIN. TYP. MAX. UNIT Reference Voltage Change VREF VKA=VREF(*1) CONDITIONS - 8 17 mV Reference Input Current Change IREF R1=10k, R2=(*2) - 0.4 1.2 A The "Reference Voltage Change" and "Reference Input Current Change" is tested to using some samples of the first five lots. These "TEMPERATURE CHARACTERISTICS" are not guaranteed. VREF...Reference voltage includes error. (*1) : TEST CIRCUIT 1 (Fig.1) (*2) : TEST CIRCUIT 2 (Fig.2) (*3) : TEST CIRCUIT 3 (Fig.3) -2- Ver.2003-07-18 NJM2380/A TEST CIRCUIT 1, VKA=VREF VO=VKA=VREF (Fig.1) 2, VKA>VREF R1 +IREF*R1 VO=VKA=VREF* 1+ R2 (Fig.2) 3, IOFF (Fig.3) POWER DISSIPATION VS. AMBIENT TEMPERATURE Ver.2003-07-18 -3- NJM2380/A TYPICAL CHARACTERISTICS Reference Voltage Reference Voltage Reference Input Current Reference Voltage Sefety Operating Boundary Condition Dynamic Inpedance Note) Oscillation might occure while operating within the range of sefety curve. So that, it is necessary to make ample margins by taking considerations of fluctuation of the device. -4- [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. Ver.2003-07-18