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Электронный компонент: CA509

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Current Regulator Diode
CA500 Series / SST500 Series
FEATURES

Simple Two Lead Current Sources

1 to 100 Volt Operation

Zero Temperature Coefficient

Simplifies Floating Current Sources

No Power Supplies Required
GENERAL DESCRIPTION
Calogic's current regulator diode is available in plastic TO-92
and surface mount SOT-23. The devices are selected for
narrow current ranges and are excellent choices for test
instrumentation and medical applications. With nominal
current ranges from 0.24mA to 4.7mA, all in 20% bands. The
devices allow the designer a cost effective method of
providing a current regulator with no power supply
requirements and lower part count. The lower current devices
operate at 1 volt.
ORDERING INFORMATION
Part No. Package
Part No.
Package
I
F
(mA)
CA500
TO-92
SST500
SOT-23
0.24
CA501
TO-92
SST501
SOT-23
0.33
CA502
TO-92
SST502
SOT-23
0.43
CA503
TO-92
SST503
SOT-23
0.56
CA504
TO-92
SST504
SOT-23
0.75
CA505
TO-92
SST505
SOT-23
1.00
CA506
TO-92
SST506
SOT-23
1.40
CA507
TO-92
SST507
SOT-23
1.80
CA508
TO-92
SST508
SOT-23
2.40
CA509
TO-92
SST509
SOT-23
3.00
CA510
TO-92
SST510
SOT-23
3.60
CA511
TO-92
SST511
SOT-23
4.70
CORPORATION
PIN CONFIGURATION
TO-92
1
2
BOTTOM VIEW
1 ANODE
2 CATHODE
SOT-23
1
2
3
TOP VIEW
1 ANODE
2 CATHODE
PRODUCT MARKING (SOT-23)
SST500
500
SST501
501
SST502
502
SST503
503
SST504
504
SST505
505
SST506
506
SST507
507
SST508
508
SST509
509
SST510
510
SST511
511
5010
Externally connect
pin 1 to pin2.
3 ANODE
2 CATHODE
CORPORATION
ABSOLUTE MAXIMUM RATINGS (T
A
= 25
o
C unless otherwise noted)
PARAMETERS/TEST CONDITIONS
SYMBOL
LIMIT
UNITS
Peak Operating Voltage
P
OV
50
V
Forward Current
I
F
20
mA
Reverse Current
I
R
50
Power Dissipation
P
D
360
mW
Power Derating
3.27
mW/
o
C
Operating Junction Temperature
T
J
-55 to 150
o
C
Storage Temperature
T
stg
-55 to 200
ELECTRICAL CHArACTERISTICS (T
A
= 25
o
C unless otherwise noted)
SYMBOL
I
F
Z
d
Z
k
V
L
P
OV
C
F
1
PARAMETER
REGULATOR
CURRENT
DYNAMIC
IMPEDANCE
KNEE
IMPEDANCE
LIMITING
VOLTAGE
PEAK
OPERATING
VOLTAGE
CAPACITANCE
TEMPERATURE
COEFFICIENT
(TYPICALS)
TEST
CONDITIONS
V
F
= 25V
(Note 1)
V
F
= 25V
(Note 2)
V
F
= 6V
I
F
= 0.8 I
F(MIN)
(Note 3)
I
F
= 1.1 I
F (MAX)
(Note 4)
V
F
= 25V
f = 1MHz
V
F
= 25V
0
o
C
T
A
100
o
C
UNITS
mA
M
M
V
V
pF
ppm/
o
C
NOM
MIN
MAX
MIN
TYP
TYP
MAX
TYP
MIN
TYP
TYP
TYP
500
501
502
503
504
505
506
507
508
509
510
511
0.24
0.33
0.43
0.56
0.75
1.00
1.40
1.80
2.40
3.00
3.60
4.70
0.192
0.264
0.344
0.448
0.600
0.800
1.120
1.440
1.900
2.400
2.900
3.800
0.288
0.396
0.516
0.672
0.900
1.200
1.680
2.160
2.900
3.600
4.300
5.600
4.00
2.20
1.50
1.20
0.80
0.50
0.33
0.20
0.20
0.15
0.15
0.12
40.0
25.0
15.0
12.0
7.0
5.0
3.0
2.0
1.5
1.0
0.8
0.6
2.50
1.60
1.10
0.80
0.55
0.40
0.25
0.19
0.13
0.09
0.07
0.05
1.20
1.30
1.50
1.70
1.90
2.10
2.50
2.80
3.10
3.50
3.90
4.20
0.4
0.5
0.6
0.7
0.8
0.9
1.1
1.3
1.5
1.7
1.9
2.1
50
50
50
50
50
50
50
50
50
50
50
50
100
100
100
100
100
100
100
100
100
100
100
100
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
1300
600
0
-400
-1000
-1300
-1900
-2200
-2600
-2800
-3000
-3000
Notes: 1. Pulse test - steady state currents may vary.
2. Pulse test - steady state impedances may vary.
3. Min V
F
required to insure I
F
> 0.8 I
F(MIN)
.
4. Max V
F
where I
F
> 1.1 I
F(MAX)
is guaranteed.
CA500 Series / SST500 Series