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| 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 PIN CONFIGURATION NJM2380L/AL NJM2380U/AU NJM2380F/AF PIN FUNCTION 1. CATHODE 2. NC 3. NC 4. NC NJM2380D/AD NJM2380M/AM NJM2380E/AE 5. NC 6. ANODE 7. NC 8. REFERENCE PIN FUNCTION 1. REFERENCE 2. ANODE 3. CATHODE NJM2380L/AL BLOCK DIAGRAM NJM2380U/AU NJM2380F/AF PIN FUNCTION 1. NC 2. ANODE 3. NC 4. REFERENCE Ver.2003-07-18 -1- NJM2380/A ABSOLUTE MAXIMUM RATINGS (Ta=25C) PARAMETER Cathode Voltage Continuous Cathode Current Reference Input Current Power Dissipation SYMBOL VKA IKA IREF PD RATINGS +20 -100 to 150 -0.05 to 10 (DIP8) (DMP8) (EMP8) (TO-92) (MTP-5) Operating Temperature Range Storage Temperature Range TOPR TSTG 700 300 300 500 200 C C UNIT V mA mA mW (SOT-89) 350 -40 to +85 -50 to +125 RECOMMENDED OPERATING CONDITIONS PARAMETER Cathode Voltage Cathode Current SYMBOL VKA IK MIN. VREF 1 TYP. MAX. 18 100 UNIT V mA ELECTRICAL CHARACTERISTICS PARAMETER Reference Voltage Reference Voltage Change vs. Cathode Voltage Change Reference Input Current Minimum Input Current Cathode Current (Off Cond.) Dynamic Impedance SYMBOL VREF VREF/VKA VKA=VREF(*1) VKA=VREF(*1), A Version VREFVKA10V(*2) 10VKA18V(*2) IREF IMIN IOFF ZKA R=10k, R2=(*2) VKA=VREF(*1) VKA=18V, VREF=0V(*3) VKA=VREF, f1kHz 1mAIK100mA(*1) CONDITIONS MIN. 2415 2440 - (IK=10mA, Ta=25C) TYP. 2465 2465 1.4 1 2 0.4 0.1 0.2 MAX. 2515 2490 2.7 2 4 1.0 1.0 mV/V mV/V A mA A UNIT mV TEMPERATURE CHARACTERISTICS PARAMETER Reference Voltage Change Reference Input Current Change SYMBOL VREF IREF VKA=VREF(*1) R1=10k, R2=(*2) CONDITIONS - (IK=10mA, Ta=-20 to +85C) MIN. TYP. 8 0.4 MAX. 17 1.2 UNIT mV 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. [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. -4- Ver.2003-07-18 |
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