TS3431BILT [STMICROELECTRONICS]
1.24V Programmable Shunt Voltage Reference; 1.24V可编程并联型电压基准
| 型号： | TS3431BILT |
| 厂家： | 
ST |
| 描述： | 1.24V Programmable Shunt Voltage Reference |
| 文件： | 总11页 (文件大小：335K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TS3431
1.24V Programmable Shunt Voltage Reference
■
■
Adjustable output voltage: 1.24 to 24V
Several precision @ 25°C
2%, 1%, 0.5% and 0.25%
■
■
■
Sink current capability: 0.4 to 100mA
Industrial temperature range: -40 to +125°C
Performances compatible with industry
standard TL431
L
SOT23-3L
(Plastic Micropackage)
Description
The TS3431 is a programmable shunt voltage
reference with guaranteed temperature stability
over the entire temperature range of operation
(-40 to +125°C). The output voltage may be set to
any value between 1.24V and 24V with an
external resistor bridge.
Z
TO-92
(Plastic Package)
Pin Connections (top view)
Available in SOT23-3 surface mount package, it
can be designed in applications where space
saving is a critical issue.
TO-92
(top view)
Applications
■
■
■
■
■
Computers
Instrumentation
Battery chargers
Switch mode power supply
Battery operated equipments
SOT23-3
(top view)
Reference
1
Anode
3
Cathode
2
Order Codes
Part Number
Temperature Range
Package
Packaging
Marking
L280-L281
L282-L283
TS3431ILT/AILT/BILT/CILT
SOT23-3L
Tape & Reel
TS3431IZ/AIZ/BIZ/CIZ
Bulk
-40, +125°C
TS3431IZT/AIZT/BIZT/CIZT
TS3431IZ-AP/AIZ-AP/BIZ-AP/CIZ-AP
TO-92
Tape & Reel
Ammo pack
December 2004
Revision 2
1/11
TS3431
Absolute Maximum Ratings
1 Absolute Maximum Ratings
Table 1. Key parameters and their absolute maximum ratings
Symbol
Parameter
Value
Unit
V
Cathode to Anode Voltage
Reverse Breakdown Current
25
V
KA
I
-100 to +150
-0.05 to10
mA
mA
K
I
Reference Current
REF
1
360
625
Power Dissipation
SOT23-3
TO92
P
mW
D
T
Storage Temperature
-65 to +150
°C
kV
V
std
Human Body Model (HBM)
Machine Model (MM)
2
ESD
200
250
Tlead Lead Temperature (soldering, 10 seconds)
°C
1) Pd has been calculated with T
= 25°C and T = 150°C and
Rthjc = 66°C/W, Rthja = 200°C/W for the TO92 package
Rthjc = 110°C/W, Rthja = 340°C/W for the SOT23-3L package
amb
j
Table 2. Operating Conditions
Symbol
Parameter
Value
Unit
I
Cathode Operating Current
Cathode Operating Voltage
0.5 to 100
1.24 to 24
-40 to +125
mA
V
K
V
K
T
Operating Free Air Temperature Range
°C
oper
2/11
Electrical Characteristics
TS3431
2 Electrical Characteristics
Table 3. Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Test Condition
TS3431 (2%)
Min.
Typ.
Max.
Unit
Reference input voltage I = 10mA
1.215
1.228
1.234
1.237
1.265
1.252
1.246
1.243
10
K
TS3431A (1%)
V
1.24
V
K
TS3431B (0.5%)
TS3431C (0.25%)
Variation of reference input voltage over 0°C < T < +70°C
temperature
∆V
-40°C < T < +105°C
18
mV
K
-40°C < T < +125°C
21
T
Temperature coefficient
-40°C < T < +125°C
100
0.4
ppm/°C
mA
C
Minimum Operating Current
T = 25°C
0.35
1.2
I
KMIN
-40°C < T < +125°C
0.5
Ratio of change in reference input volt- I =10mA
age to change in cathode to anode volt-
age
K
1.5
∆Vref
V = 24 to 1.24V
---------------
mV/V
K
∆Vka
-40°C < T < +125°C
T=25°C
2
1.5
2
Reference input current
0.9
I
µA
µA
REF
I =10mA, R1=10KΩ, R2=+∞
K
-40°C < T < +125°C
0°C < T < +70°C
-40°C < T < +125°C
T=25°C
Reference input current deviation
0.5
0.9
35
1
∆I
REF
I =10mA, R1=10KΩ, R2=+
K
1.5
500
1000
2000
0.4
Off-state cathode current V =24V
K
I
-40°C < T < +105°C
-40°C < T < +125°C
nA
OFF
R
Reverse Static Impedance
Wideband Noise
I = 1 to 100mA
0.2
Ω
KA
K
I = 10mA
K
E
100
nV/√Hz
N
1kHz < f < 100kHz
Note: Limits are 100% production tested at 25°C. Limits over temperature are guaranteed through correlation and by design.
3/11
TS3431
Electrical Characteristics
Figure 1. Reference voltage vs. temperature
Figure 4. Test circuit for V = Vref
K
1.250
1.245
Input
Output
Ik
IK = 10mA
VK = VREF
1.240
Vka
1.235
Vref
1.230
-40
0
40
80
120
Temperature (°C)
Figure 2. Cathode voltage vs cathode current
Figure 5. Minimum operating current vs
temperature
1.5
0.5
0.4
T=-40°C
1.0
0.3
VK = VREF
0.2
T=+25°C
T=+125°C
0.5
0.1
0.0
0.0
0.0
0.1
0.2
Cathode current IK (mA)
0.3
0.4
-40
0
40
80
120
Temperature (°C)
Figure 3. Reference input current vs
temperature
Figure 6. Dynamic impedance vs frequency
1.00
0.75
0.50
0.25
0.00
0.5
VK = VREF
T=+25°C
0.4
0.3
0.2
0.1
0.0
-40
0
40
80
120
10
100
1000
10000
Temperature (°C)
Frequency (Hz)
4/11
Electrical Characteristics
TS3431
Figure 7. Off-State current vs temperature
Figure 10. Test circuit for off-state current
measurement
300
200
100
0
Vka=24V
Ioff
-40
0
40
80
120
Temperature (°C)
Figure 8. Ratio of change in reference input
voltage to change in Vka voltage vs
temperature
Figure 11. Test circuit for V > V
K
REF
2.0
1.5
1.0
Input
Vka
Ik
R1
Iref
∆VK = 1.24 to 24V
R2
0.5
Vref
IK = 10 mA
0.0
-40
0
40
80
120
Vka = Vref . (1+R1/R2) + Iref . R1
Temperature (°C)
Figure 9. Phase and gain vs frequency
Figure 12. Test circuit for phase and gain
measurement
80
40
10 µF
0
40
10 µF
T = +25°C
20
0
1000
10000
100000
1000000
Frequency (Hz)
5/11
TS3431
Electrical Characteristics
Figure 13. Pulse response at Ik=1mA
Figure 16. Test circuit for pulse response at Ik
= 1mA
5.0
T=+25°C
Input Voltage
2.7K Ω
. . .
IK=1mA
4V
2.5
0.0
Output voltage
. . .
0
0
2
4
6
8
Time (µs)
Figure 14. Pulse response at Ik = 10mA
Figure 17. Test circuit for pulse response at Ik
= 10mA
5.0
Input Voltage
T=+25°C
270 Ω
. . .
IK=10mA
4V
2.5
0.0
Output voltage
. . .
0
0
2
4
6
8
Time (µs)
Figure 15. Block diagram
Figure 18. Equivalent input noise vs
frequency
300
Cathode
VK = VREF
IK = 10 mA
T = +25°C
200
100
0
Reference
+
-
VREF
0.1
1
10
100
1000
10000
Frequency (kHz)
Anode
6/11
Package Mechanical Data
TS3431
3 Package Mechanical Data
3.1 3 Pins - Plastic Package TO-92 (tape & reel)
A1
P
T
P
H
d
D0
F1
F2
P2
P0
Millimeters
Inches
Typ.
Dim.
Min.
Typ.
Max.
Min.
Max.
AL
A
5.0
5.0
4.0
0.197
0.197
0.157
T
d
0.45
0.018
I1
2.5
11.7
12.4
5.95
2.4
0.098
0.461
0.488
0.234
0.094
-0.039
-0.039
0.689
0.224
0.335
P
12.7
12.7
6.35
2.5
0
13.7
13
0.500
0.500
0.250
0.098
0
0.539
0.512
0.266
0.110
0.039
0.039
0.748
0.248
0.384
0.020
0.787
0.650
0.984
0.165
0.433
PO
P2
F1/F2
∆h
∆P
W
6.75
2.8
1
-1
-1
0
1
0
17.5
5.7
18.0
6
19.0
6.3
9.75
0.5
20
0.709
0.236
0.354
W0
W1
W2
H
8.5
9
H0
H1
DO
L1
15.5
3.8
16
16.5
25
0.610
0.150
0.630
0.157
4.0
4.2
11
7/11
TS3431
Package Mechanical Data
3.2 3 Pins - Plastic Package TO-92 (tape ammo pack)
A1
P
T
P
H
d
D0
F1
F2
P2
P0
Millimeters
Typ.
Inches
Dim.
Min.
Max.
Min.
Typ.
Max.
AL
A
5.0
5.0
4.0
0.197
0.197
0.157
T
d
0.45
0.018
I1
2.5
11.7
12.4
5.95
2.4
0.098
0.461
0.488
0.234
0.094
-0.039
-0.039
0.689
0.224
0.335
P
12.7
12.7
6.35
2.5
0
13.7
13
0.500
0.500
0.250
0.098
0
0.539
0.512
0.266
0.110
0.039
0.039
0.748
0.248
0.384
0.020
0.787
0.650
0.984
0.165
0.433
PO
P2
F1/F2
∆h
∆P
W
6.75
2.8
1
-1
-1
0
1
0
17.5
5.7
18.0
6
19.0
6.3
9.75
0.5
20
0.709
0.236
0.354
W0
W1
W2
H
8.5
9
H0
H1
DO
L1
15.5
3.8
16
16.5
25
0.610
0.150
0.630
0.157
4.0
4.2
11
8/11
Package Mechanical Data
TS3431
3.3 3 Pins - Plastic Package TO-92 (bulk)
TO-92 MECHANICA DATA
mm.
TYP
mils
TYP.
DIM.
MIN.
MAX.
MIN.
MAX.
A
b
4.32
4.95
170.1
194.9
0.36
4.45
3.30
2.41
1.14
12.7
2.16
0.92
0.41
0.51
4.95
3.94
2.67
1.40
15.49
2.41
1.52
0.56
14.2
175.2
129.9
94.9
20.1
194.9
155.1
105.1
55.1
D
E
e
e1
L
44.9
500.0
85.0
609.8
94.9
R
S1
W
36.2
59.8
16.1
22.0
0102782/C
9/11
TS3431
Package Mechanical Data
3.4 SOT23-3L Package
SOT23-3L MECHANICAL DATA
mm.
mils
DIM.
MIN.
TYP
MAX.
MIN.
TYP.
MAX.
A
A1
A2
b
0.890
0.010
0.880
0.300
0.080
2.800
2.100
1.200
1.120
0.100
1.020
0.500
0.200
3.040
2.64
35.05
0.39
44.12
3.94
0.950
2.900
34.65
11.81
3.15
37.41
40.17
19.69
7.88
C
D
110.26
82.70
47.26
114.17
119.72
103.96
55.13
E
E1
e
1.300
0.950
1.900
1.400
51.19
37.41
74.82
e1
L
0.400
0.600
8°
15.75
23.63
8°
L1
k
0.540
21.27
D
GAUGE
PLANE
e
0.25
b
c
e1
SEATING
PLANE
C
7110469/A
10/11
Revision History
TS3431
4 Revision History
Date
Revision
Description of Changes
01 Jan. 2004
1
First Release
Specific content changes as follows:
•
•
CI version added in Table: Order Codes on page 1
Rthjc information added in Table1: Key parameters and their absolute
maximum ratings on page 2
01 Dec. 2004
2
•
Test condition added in Table3: Tamb = 25°C (unless otherwise
specified) on page 3
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences
of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted
by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject
to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not
authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
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All other names are the property of their respective owners
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11/11
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