|
Details, datasheet, quote on part number:NJM2373
| |
Datasheet text preview:
NJM2373/73A/76
Adjustable High Precision Shunt Regulator
GENERAL DESCRIPTION
The NJM2373/73A and NJM2376 are adjustable high precision shunt regulators. The output voltage can be adjusted to any value between reference voltage and 14V by two extend resistors. NJM2373F/AF NJM2376F NJM2373U / AU NJM2376U
PACKAGE OUTLINE
FEATURES Operating Voltage ( VREF to 13V) High Precision Reference Voltage
NJM2373 1.25V±2% NJM2373A/76 1.25V±1% Minimum External Parts Bipolar Technology Package Outline MTP5 , SOT-89
BLOCK DIAGRAM
CATHODE
PIN CONFIGURATION
NC 1 ANODE 2 NC 3 4 REFERENCE 5 CATHODE
( NJM2373F/73AF )
REFERENCE
+
NC 1 ANODE 2 NC 3
5 REFERENCE 4 CATHODE
VREF
( NJM2376F )
REFERENCE 1
ANODE
ANODE 2 CATHODE 3
( NJM2373U / AU )
CATHODE 1 ANODE 2 REFERENCE 3
( NJM2376U )
NJM2373/73A/76
ABUSOLUTE MAXIMUM RATINGS
PARAMETER Cathode Voltage Continuous Cathode Current Reference Input Current Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL VKA IKA IREF PD (MTP5) (SOT-89) Topr Tstg RATINGS +14 -30 to 50 -10 to 0.05 250 350 -40 to +85 -40 to +150 (Ta=25°C) UNIT V mA mA mW °C °C (Ta=25°C) UNIT V mA (IK=1mA, Ta=25°C) MAX. UNIT 1275 mV 1250 1262.5 TYP. 1250 -- -- 2.0 0.4 0.01 0.12 ±2.7 ±2.0 4.0 1.0 1.0 -- mV/V mV/V µA µA µA
RECOMMENDED OPERATING CONDITIONS
PARAMETER Cathode Voltage Cathode Current SYMBOL VKA IK MIN. V REF 1 TYP. -- -- MAX. 13 30
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/VREF IREF IMIN IOFF |ZKA| CONDITIONS VKA=VREF (*1) . NJM2373 VKA=VREF (*1) , NJM2373A NJM2376 |VREF|VKA5V(*2) 5VVKA13V(*2) V K A = V REF R1=10k,R2= (*2) VKA=VREF,VREF=-1%(*1) VKA=13V,VREF=0V(*3) VKA= VREF, f1kHz 1mAIK100mA(*1) MIN. 1225 1237.5 -- -- -- -- -- --
TEMPERATURE CHARACTERISTICS
PARAMETER Reference Voltage Change Reference Input Current Change SYMBOL VREF IREF CONDITIONS VKA=VREF (*1) V K A = V REF R1=10k,R2=(*2) MIN.
(IK=10mA, Ta=-20 to +85°C) TYP. MAX. UNIT ±10 0.5 mV µA
|VREF| ··· Reference Voltage includes error. (*1) : TEST CIRCUIT1(Fig.1) (*2) : TEST CIRCUIT2(Fig.2) (*3) : TEST CIRCUIT3(Fig.3)
NJM2373/73A/76
TEST CIRCUIT
INPUT IK VKA INPUT R1 IK IREF V KA INPUT IOFF VKA
VREF
R2
VREF
1. VKA=VREF VO=VKA=VREF
(Fig.1)
2. VKA>VREF
VO = VKA = VREF (1+ R1/ R 2) + IREF · R1 (Fig.2)
3. IOFF
(Fig.3)
TYPICAL CHARACTERISTICS
Reference Voltage VS. Ambient Temperature IK=1mA ,V KA =V REF 1260
Pow e Dissipation VS. Ambient Temperature
400 350
Power Dissipation [mW]
250 200 150 100 50 0 0 20 40 60 80 100 A mbient Temperature [°C]
MTP-5
Referenc e Voltage [mV]
300
SOT-89
1255
1250
1245
1240 - 40 - 20 0 20 40 60 80 100 A mbient Temperature [°C]
Ref er enc e Voltage VS. Cathode Current V KA =V REF,Ta=25°C 1255
Ref erenc e Voltage VS. Cathode Current V KA =V REF,Ta=25°C 1400
1253
Referenc e Voltage [mV]
0 10 20 30
1254 Refer enc e Voltage [mV]
1200
1000
1252
1251
800
1250 Cathode Current [mA]
600 0 20 40 60 80 100 Cathode Current [uA]
|
|
