SST508-T1 [VISHAY]
Current Regulator Diode, 2.4mA I(S), 3.1V V(L), Silicon, TO-236AB, TO-236, 3 PIN;
| 型号： | SST508-T1 |
| 厂家： | 
VISHAY |
| 描述： | Current Regulator Diode, 2.4mA I(S), 3.1V V(L), Silicon, TO-236AB, TO-236, 3 PIN |
| 文件： | 总5页 (文件大小：56K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SST502 Series
Vishay Siliconix
Current Regulator Diodes—POV(min) 45 V
SST502
SST503
SST504
SST505
SST506
SST507
SST508
SST509
SST510
SST511
TO-236
(SOT-23)
PRODUCT SUMMARY
Anode
*
1
2
Part
Number
Typ IF
(mA)
Part
Number
Typ IF
(mA)
Marking
Marking
3
Cathode
SST502
SST503
SST504
SST505
SST506
0.43
0.56
0.75
1.00
1.40
L2
L3
L4
L5
L6
SST507
SST508
SST509
SST510
SST511
1.80
2.40
3.00
3.60
4.70
L7
L8
L9
L0
L1
Top View
*Short lead #2 to Cathode (lead #3)
via circuit board trace.
FEATURES
BENEFITS
APPLICATIONS
D Surface-Mount Package
D Simple Series Circuitry, No Separate Voltage Source
D Constant-Current Supply
D Current-Limiting
D Guaranteed "20% Tolerance
D Tight Guaranteed Circuit Performance
D Operation from 1 V (SST502, 3)
D Excellent Performance in Low-Voltage/Battery
D Timing Circuits
to 45 V
Circuits and High-Voltage Spike Protection
D Good Temperature Stability
D High Circuit Stability vs. Temperature
DESCRIPTION
The SST502 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 device which is extremely
simple to operate.
With nominal current ranges from 0.43 mA to 4.7 mA, the
SST502 series will meet a wide array of design requirements.
The low-cost TO-236 surface-mount package ensures a
cost-effective design solution.
SCHEMATIC DIAGRAM
APPLICATIONS
V+
A
1
Current
Sink
V+
Out
Current
Source
2
V–
C
Linear Ramp Generator
Document Number: 70711
S-04234—Rev. C, 02-Jul-01
www.vishay.com
3-1
SST502 Series
Vishay Siliconix
ABSOLUTE MAXIMUM RATINGS
a
Peak Operating Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 V
Reverse Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55 to 150_C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350 mW
Notes:
a. Derate 2.8 mW/_C above 25_C
SPECIFICATIONS (T = 25_C) UNLESS OTHERWISE NOTED
A
Limits
Typa
Parameter
Symbol
Test Conditions
Min
Max
Unit
b
Peak Operating Voltage
P
I
= 1.1 I
F(max)
45
55
0.8
1.5
OV
F
V
Reverse Voltage
Capacitance
V
I = 1 mA
R
R
C
V
= 25 V, f = 1 MHz
F
pF
F
Knee
Impedance
(Zk)
Limiting
Voltagee
(VL)
Temperature
Coefficient
(q1)
Regulator Currentc
(IF)
Dynamic Impedanced
(Zd)
V
= 25 V
A
F
V
= 25 V
V
= 25 V
V
= 6 V
I
F
= 0.8 I
F(min)
0_C v T v 100_C
F
F
F
mA
MW
MW
V
%/_C
Typa
Min
Nom
Max
Min
Typa
Typa
Max Typa
Part Number
SST502
SST503
SST504
SST505
SST506
SST507
SST508
SST509
SST510
SST511
0.344
0.448
0.600
0.800
1.120
1.440
1.900
2.400
2.900
3.800
0.43
0.56
0.75
1.00
1.40
1.80
2.40
3.00
3.60
4.70
0.516
0.672
0.900
1.200
1.680
2.160
2.900
3.600
4.300
5.600
1.0
0.7
2.7
2.0
1.5
1.0
0.8
0.6
0.4
0.3
0.3
0.2
0.7
0.5
1.5
1.7
1.9
2.1
2.5
2.8
3.1
3.5
3.9
4.2
0.6
0.7
0.8
0.9
1.1
1.3
1.5
1.7
1.9
2.1
–0.08
–0.12
–0.16
–0.20
–0.24
–0.28
–0.31
–0.34
–0.37
–0.40
0.5
0.4
0.4
0.3
0.3
0.2
0.2
0.12
0.08
0.06
0.04
0.03
0.1
0.09
0.08
0.07
Notes:
NPA
a. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
b. Max V where I = 1.1 I is guaranteed.
F
F
F(max)
c. Pulse test—steady state currents may vary.
d. Pulse test—steady state impedances may vary.
e. Min V required to insure I = 0.8 I
.
F
F
F(min)
Document Number: 70711
S-04234—Rev. C, 02-Jul-01
www.vishay.com
3-2
SST502 Series
Vishay Siliconix
TYPICAL CHARACTERISTICS (T = 25_C UNLESS OTHERWISE NOTED)
A
Output Current vs. Forward Voltage
Output Current vs. Forward Voltage
5
5
SST511
SST511
SST510
4
3
2
1
0
4
3
2
1
0
SST510
SST508
SST508
SST505
SST502
SST505
SST502
0
1
2
3
4
5
0
10
20
30
40
50
V
(V)
V
(V)
F
F
Temperature Coefficient
Knee Impedance vs. Regulator Current
10
–0.00
–0.05
–0.10
–0.15
–0.20
–0.25
–0.30
–0.35
–0.40
–0.45
V
= 6 V
F
1
0.1
0.01
0
1
2
3
4
5
0.1
1
10
I
F
(mA)
I
F
(mA)
Dynamic Impedance vs. Regulator Current
Limiting Voltage @ 0.8 I vs. Regulator Current
F
100
10
10
V
= 25 V
V = 25 V
F
F
1
1
0.1
0.1
0.1
1
10
0.1
1
10
I
F
(mA)
I
F
(mA)
Document Number: 70711
S-04234—Rev. C, 02-Jul-01
www.vishay.com
3-3
SST502 Series
Vishay Siliconix
TYPICAL CHARACTERISTICS (T = 25_C UNLESS OTHERWISE NOTED)
A
Temperature Coefficient vs. Regulator Current
On-Resistance vs. Regulator Current
0.5
2
V
= 25 V
F
I = 0.1 I
F
V
= 25 V
F
1
0
T
J
= 0 to 100_C
–0.5
0
0.1
1
10
0
1
2
3
4
5
I
F
(mA)
I (mA)
F
Capacitance vs. Forward Voltage
10
f = 1 MHz
5
0
0
10
20
30
40
50
V
(V)
F
CURRENT REGULATOR DIODE VĆ1 CHARACTERISTIC
I
F
r
DS
P
Z
k
I
F
OV
V
L
V
V
F
R
V
R
I
R
Document Number: 70711
S-04234—Rev. C, 02-Jul-01
www.vishay.com
3-4
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
www.vishay.com
1
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