Document
J500 Series
Vishay Siliconix
Current Regulator Diodes
J500 J501 J502
PRODUCT SUMMARY
Part Number
J500 J501 J502 J503 J504 J505
J503 J504 J505
J506 J507 J508
TO-226AA (TO-92) Modified
J509 J510 J511
Typ IF (mA)
0.24 0.33 0.43 0.56 0.75 1.00
POV (V)
50 50 50 50 50 50
Part Number
J506 J507 J508 J509 J510 J511
Typ IF (mA)
1.40 1.80 2.40 3.00 3.60 4.70
POV (V)
50 50 50 50 50 50 C 2 A 1
Top View
FEATURES
D Two-Lead PlasticPackage D Guaranteed "20% Tolerance D Operation from 1 V (J500–J503) to 50 V D Excellent Temperature Stability
BENEFITS
D Simple Series Circuitry, No Separate Voltage Source D Tight Guaranteed Circuit Performance D Excellent Performance in Low-Voltage/Battery Circuits and High-Voltage Spike Protection D High Circuit Stability vs. Temperature
APPLICATIONS
D Constant-Current Supply D Current-Limiting D Timing Circuits
DESCRIPTION
The J500 series is a family of "20% range current regulators designed for demanding applications in test equipment and instrumentation. These devices utilize the JFET techniques to produce a single two-leaded device which is extremely simple to operate. With nominal current ranges from 0.24 mA to 4.7 mA, the J500 series will meet a wide array of design requirements. The low-cost TO-226A package ensures a cost-effective design solution.
SCHEMATIC DIAGRAM
APPLICATIONS
A 1
V+ V+
Current Sink
Out
2 C
Current Source
V–
Linear Ramp Generator
For applications information see AN103.
Document Number: 70196 S-04234—Rev. F, 02-Jul-01 www.vishay.com
3-1
J500 Series
Vishay Siliconix
ABSOLUTE MAXIMUM RATINGS
Peak Operating Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 V Reverse Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55 to 150_C Power Dissipationa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350 mW Notes: a. Derate 2.8 mW/_C above 25_C
SPECIFICATIONS (TA = 25_C UNLESS OTHERWISE NOTED)
Limits Parameter Symbol Test Conditions Min Typa Max Unit
Peak Operating Voltageb Reverse Voltage Capacitance
POV VR CF
IF = 1.1 IF(max) IR = 1 mA VF = 25 V, f = 1 MHz
50
95 V 0.8 2.2 pF
Regulator Currentc (IF)
VF = 25 V
Dynamic Impedanced (Zd)
VF = 25 V
Knee Impedance (Zk)
VF = 6 V
Limiting Voltage e (VL)
IF = 0.8 IF(min)
Temperature Coefficient (q1)
VF = 25 V 0_C v TA v 100_C
mA Part Number
J500 J501 J502 J503 J504 J505 J506 J507 J508 J509 J510 J511
MW Max
0.288 0.396 0.516 0.672 0.900 1.200 1.680 2.160 2.900 3.600 4.300 5.600
MW Typa
15 10 7 5 3.5 2 1.5 1 0.7 0.5 0.4 0.3
V Max
1.2 1.3 1.5 1.7 1.9 2.1 2.5 2.8 3.1 3.5 3.9 4.2
%/_C Typa
0.4 0.5 0.6 0.7 0.8 0.9 1.1 1.3 1.5 1.7 1.9 2.1
Min
0.192 0.264 0.344 0.448 0.600 0.800 1.120 1.440 1.900 2.400 2.900 3.800
Nom
0.24 0.33 0.43 0.56 0.75 1.00 1.40 1.80 2.40 3.00 3.60 4.70
Min
4.00 2.20 1.50 1.20 0.80 0.50 0.33 0.20 0..