NJM2373/73A/76 ADJUSTABLE HIGH PRECISION SHUNT REGULATOR GENERAL DESCRIPTION PACKAGE OUTLINE NJM2373 / NJM2373A / NJM2376 is an adjustable high precision shunt regulator. The output voltage can be adjusted to any value between reference voltage and 14V by two extend resistors. NJM2373F/AF NJM2373AU NJM2376F NJM2376U FEATURES Operating Voltage V to 13V REF High Precision Voltage Reference NJM2373 1.25V2% NJM2373A/76 1.25V1% Minimum Input Current 80A typ. Adjustable Output Voltage Bipolar Technology Package Outline SOT-89 (3pin), MTP5 BLOCK DIAGRAM PIN CONFIGURATION CATHODE NC1 5 CATHODE ANODE 2 NC3 4 REFERENCE NJM2373F/73AF REFERENCE NC1 5 REFERENCE ANODE 2 V REF NC3 4 CATHODE NJM2376F REFERENCE 1 ANODE ANODE 2 CATHODE 3 NJM2373AU CATHODE1 ANODE 2 REFERENCE3 NJM2376U Ver.2009-11-26 - 1 - NJM2373/73A/76 ABSOLUTE MAXIMUM RATINGS (Ta=25C) PARAMETER SYMBOL MAXIMUM RATINGS UNIT Cathode Voltage V +14 V KA Continuous Cathode Current I -30 ~ 50 mA K Reference Input Current I -10 ~ 0.05 mA REF (SOT-89) 350 Power Dissipation P mW D (MTP5) 200 Operating Temperature Range T -40 ~ +85 C OPR Storage Temperature Range T -40 ~ +150 C STG RECOMMENDED OPERATING CONDITIONS (Ta=25C) PARAMETER SYMBOL MIN. TYP. MAX. UNIT Cathode Voltage V V 13 V KA REF Cathode Current I 0.5 30 mA K ELECTRICAL CHARACTERISTICS (I =1mA, Ta=25C) K PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX.UNIT V =V KA REF (*1) 1225 1250 1275 NJM2373A Reference Voltage V mV REF V =V KA REF (*1) 1237 1250 1263 NJM2373A/ NJM2376 Reference Voltage V V 5V (*2) 2.7 mV/V REF KA V / REF Change vs. Cathode V KA 5V V 13V (*2) 2.0 mV/V KA Voltage Change V =V KA REF Reference Input Current I (*2) 2.0 4.0 A REF R1=10k, R2= Minimum Input Current I V =V , V =1% (*1) 80 500 A MIN KA REF REF Cathode Current I V =13V, V=0V (*3) 0.01 1.0 A OFF KA REF (Off Cond.) V = V , f1kHz KA REF Dynamic Impedance Z (*1) 0.12 KA 0.5mA I 30mA K TEMPERATURE CHARACTERISTICS (I =1mA, Ta= -40C ~ 85C) K PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX.UNIT Reference Voltage V V =V (*1) 10 mV REF KA REF Change Reference Input Current V =V KA REF I (*2) 0.5 A REF Change R1=10k, R2= V Reference voltage includes error. REF (*1): Test Circuit (Fig.1) (*2): Test Circuit (Fig.2) (*3): Test Circuit (Fig.3) Ver.2009-11-26 - 2 -