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CR160 Series
Current Regulator Diodes
CR160 CR220 CR300 CR390 CR180 CR240 CR330 CR430 CR200 CR270 CR360 CR470 Product Summary
Part Number
CR160 CR180 CR200 CR220 CR240 CR270
Typ IF (mA)
1.60 1.80 2.00 2.20 2.40 2.70
Mn Min POV (V)
100 100 100 100 100 100
Part Number
CR300 CR330 CR360 CR390 CR430 CR470
Typ IF (mA)
3.00 3.30 3.60 3.90 4.30 4.70
Mn Min POV (V)
100 100 100 100 100 100 A
TO-206AA 2-Lead
1
2
C Top View
Features
D D D D
Benefits
Applications
D Constant-Current Supply D Current-Limiting D Timing Circuits
D Simple Series Circuitry, No Separate Voltage Source Two-Lead Hermetic Package D Tighter Guaranteed Circuit Performance Guaranteed Tight "10% Tolerance Operation from 1 V (CR160) to 100 V D Excellent Performance in Low-Voltage/Battery Circuits and High-Voltage Spike Protection Excellent Temperature Stability D High Circuit Stability vs. Temperature
Description
The CR160 series is a family of "10% range current regulators designed for demanding applications in test equipment and instrumentation. These devices combine a JFET with an integrated resistor to produce a single two-leaded device which is extremely simple to operate. With nominal current ranges from 1.60 mA to 4.70 mA, this series will meet a wide array of design requirements.
The TO-206AA hermetically sealed package is available with military processing per MIL-S-19500 (see Military Information).
Schematic Diagram
A 1
Applications
Current Source V+ Current Sink GND
RL
RL 2 C V-
Updates to this data sheet may be obtained via facsimile by calling Siliconix FaxBack, 1-408-970-5600. Please request FaxBack document #70195. Applications information may also be obtained via FaxBack, request document #70596.
Siliconix S-52424--Rev. C, 14-Apr-97
1
CR160 Series
Absolute Maximum Ratings
Peak Operating Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 V Reverse Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA Thermal Resistance (qJA) . . . . . . . . . . . . . . . . . . . . . . . . . . . 417_C/W Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to 200_C Power Dissipation300 mW Notes: a. Derate 2.4 mW/_C above 25_C NKO
Specificationsa
Limits Parameter Symbol Test Conditions Min Typb Max Unit
Peak Operating Voltagec Reverse Voltage Capacitance
POV VR CF
IF = 1.1 IF(max) IR = 1 mA VF = 25 V, f = 1 MHz
100
175 0.8 6 pF V
Regulator Currentd (IF)
VF = 25 V
Dynamic Impedancee (Zd)
VF = 25 V
Knee Impedance (Zk)
VF = 6 V
Limiting Voltage f (VL)
IF = 0.8 IF(min)
Temperature Coefficient (q1)
VF = 25 V 0_C v TA v 100_C
mA Part Number
CR160 CR180 CR200 CR220 CR240 CR270 CR300 CR330 CR360 CR390 CR430 CR470
MW Max
1.760 1.980 2.200 2.420 2.640 2.970 3.300 3.630 3.960 4.290 4.730 5.170
MW Typb
1.10 1.00 0.90 0.83 0.76 0.70 0.65 0.60 0.54 0.47 0.40 0.35
V Typb
0.40 0.34 0.28 0.25 0.22 0.19 0.16 0.14 0.13 0.12 0.10 0.09
ppm/_C Typb
0.70 0.75 0.80 0.85 0.90 0.95 1.00 1.05 1.10 1.17 1.25 1.32
Min
1.440 1.620 1.800 1.980 2.160 2.430 2.700 2.970 3.240 3.510 3.870 4.230
Nom
1.60 1.80 2.00 2.20 2.40 2.70 3.00 3.30 3.60 3.90 4.30 4.70
Min
0.475 0.420 0.395 0.370 0.345 0.320 0.300 0.280 0.265 0.255 0.245 0.235
Min
0.092 0.074 0.061 0.052 0.044 0.035 0.029 0.024 0.020 0.017 0.014 0.012
Max
1.65 1.75 1.85 1.95 2.00 2.15 2.25 2.35 2.50 2.60 2.75 2.90
Typb
1000 650 300 100 0 -200 -400 -550 -730 -820 -1000 -1125
Notes: a. TA = 25_C unless otherwise noted. b. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing. c. Peak voltage at which IF = 1.1 IF(max). d. Pulse test--steady state currents may vary. e. Pulse test--steady state impedances may vary. f. Min VF required to insure IF = 0.8 IF(min).
NKO
2
Siliconix S-52424--Rev. C, 14-Apr-97
CR160 Series
Typical Characteristics
Output Current vs. Forward Voltage
6 5 4 I F (mA) 3 CR240 2 CR160 1 0 0 1 2 VF (V) 3 4 5 1 0 0 20 40 VF (V) 60 80 100 6 5 4 I F (mA) 3 CR240 2 CR160 CR470
Output Current vs. Forward Voltage
CR470 CR360
CR360
Limiting Current vs. Temperature
6 VF = 25 V Steady State 5 4 I F (mA) 3 2 1 0 -55 -35 -15 5 25 45 65 85 105 125 TJ (_C) 0.02 1 CR470 CR360 CR240 CR160 0.05 0.5 1
Knee Impedance vs. Regulator Current
VF = 6 V
Z k (M W )
0.2
0.1
2 IF (mA)
5
10
Dynamic Impedance vs. Regulator Current
2 VF = 25 V
2
Limiting Voltage @ 0.8 IF vs. Regulator Current
VF = 25 V
1 Z d (M W ) V L (V) 0.5
1
0.5
0.2 1 2 IF (mA) 5 10
0.2 1 2 IF (mA) 5 10
Siliconix S-52424--Rev. C, 14-Apr-97
3
CR160 Series
Typical Characteristics (Cont'd)
Temperature Coefficient vs. Regulator Current
0.25 rDS(on) - Drain-Source On-Resistance ( W ) VF = 25 V 400
On-resistance vs. Regulator Current
I = 0.1 IF
300
T C (%/ d C)
0
TJ = -55 to 25_C
200
TJ = 25 to 125_C
-0.25 1 2 IF (mA) 5 10
100 0 1 2 3 IF (mA) 4 5 6
20
Capacitance vs. Forward Voltage
1000
Thermal Resistance vs. Power Dissipation
qJA - (TA)
C T - Total Capacitance (pF)
16 qJC - (TC) 100 Range 4 TA = 25_C Still Air, Current Regulator 0.25 in. Above Circuit Board TC = 25_C Infinite Heat Sink 10 0 10 20 VF (V) 30 40 50 0 100 200 300 400 500 PD (mW)
12
8
0
Current-Regulator Diode V-I Characteristic
IF Zk VL VR VR VF IF POV
IR
4
qJR ( d C/W)
Siliconix S-52424--Rev. C, 14-Apr-97

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