LM431BIM3/NOPB [TI]
LM431 Adjustable Precision Zener Shunt Regulator; LM431可调式精密齐纳并联稳压器型号: | LM431BIM3/NOPB |
厂家: | TEXAS INSTRUMENTS |
描述: | LM431 Adjustable Precision Zener Shunt Regulator |
文件: | 总23页 (文件大小:1247K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
LM431
www.ti.com
SNVS020G –MAY 2000–REVISED APRIL 2013
LM431 Adjustable Precision Zener Shunt Regulator
Check for Samples: LM431
1
FEATURES
DESCRIPTION
The LM431 is a 3-terminal adjustable shunt regulator
with ensured temperature stability over the entire
temperature range of operation. The output voltage
may be set at any level greater than 2.5V (VREF) up to
36V merely by selecting two external resistors that
act as a voltage divided network. Due to the sharp
turn-on characteristics this device is an excellent
replacement for many zener diode applications.
2
•
•
Average Temperature Coefficient 50 ppm/°C
Temperature Compensated for Operation Over
the Full Temperature Range
•
•
•
Programmable Output Voltage
Fast Turn-On Response
Low Output Noise
Connection Diagram
Figure 1. TO-92: Plastic Package
Figure 2. SOT-23: 3-Lead Small Outline
Top View
Top View
A. Note: NC = Not internally connected.
Figure 3. SOIC: 8-Pin Surface Mount
Top view
Symbol and Functional Diagrams
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2000–2013, Texas Instruments Incorporated
LM431
SNVS020G –MAY 2000–REVISED APRIL 2013
www.ti.com
DC Test Circuits
Note: VZ = VREF (1 + R1/R2) + IREF• R1
Figure 4. Test Circuit for VZ = VREF
Figure 5. Test Circuit for VZ > VREF
Figure 6. Test Circuit for Off-State Current
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings(1)(2)
Storage Temperature Range
−65°C to +150°C
−40°C to +85°C
0°C to +70°C
235°C
Operating Temperature Range
Industrial (LM431xI)
Commercial (LM431xC)
Infrared or Convection (20 sec.)
Wave Soldering (10 sec.)
Soldering Information
260°C (lead temp.)
37V
Cathode Voltage
Continuous Cathode Current
Reference Voltage
−10 mA to +150 mA
−0.5V
Reference Input Current
Internal Power Dissipation(3)(4)
10 mA
TO-92 Package
SOIC Package
SOT-23 Package
0.78W
0.81W
0.28W
(1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when
operating the device beyond its rated operating conditions.
(2) If Military/Aerospace specified devices are required, please contact the TI Sales Office/ Distributors for availability and specifications.
(3) TJ Max = 150°C.
(4) Ratings apply to ambient temperature at 25°C. Above this temperature, derate the TO-92 at 6.2 mW/°C, the SOIC at 6.5 mW/°C, the
SOT-23 at 2.2 mW/°C.
Operating Conditions
Min
VREF
Max
37V
Cathode Voltage
Cathode Current
1.0 mA
100 mA
2
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Copyright © 2000–2013, Texas Instruments Incorporated
Product Folder Links: LM431
LM431
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SNVS020G –MAY 2000–REVISED APRIL 2013
LM431 Electrical Characteristics
TA = 25°C unless otherwise specified
Symbol
VREF
Parameter
Reference Voltage
Conditions
VZ = VREF, II = 10 mA
Min
Typ
Max
Units
2.440
2.495
2.550
V
LM431A (Figure 4 )
VZ = VREF, II = 10 mA
LM431B (Figure 4 )
2.470
2.485
2.495
2.500
8.0
2.520
2.510
17
V
V
VZ = VREF, II = 10 mA
LM431C (Figure 4 )
VDEV
Deviation of Reference Input Voltage Over VZ = VREF, II = 10 mA,
mV
mV/V
Temperature(1)
TA = Full Range (Figure 4 )
ΔVREF/ΔVZ
Ratio of the Change in Reference Voltage
to the Change in Cathode Voltage
IZ = 10 mA VZ from VREF to 10V
−1.4
−1.0
2.0
−2.7
−2.0
4.0
(Figure 5 )
VZ from 10V to 36V
IREF
Reference Input Current
R1 = 10 kΩ, R2 = ∞, II = 10 mA
μA
(Figure 5 )
∝IREF
Deviation of Reference Input Current over
Temperature
R1 = 10 kΩ, R2 = ∞, II = 10 mA,
TA = Full Range (Figure 5 )
0.4
1.2
μA
IZ(MIN)
IZ(OFF)
rZ
Minimum Cathode Current for Regulation
Off-State Current
Dynamic Output Impedance(2)
VZ = VREF(Figure 4 )
0.4
0.3
1.0
1.0
mA
μA
Ω
VZ = 36V, VREF = 0V (Figure 6)
VZ = VREF, LM431A,
0.75
Frequency = 0 Hz (Figure 4 )
VZ = VREF, LM431B, LM431C
0.50
Ω
Frequency = 0 Hz (Figure 4 )
(1) Deviation of reference input voltage, VDEV, is defined as the maximum variation of the reference input voltage over the full temperature
range.
The average temperature coefficient of the reference input voltage, ∝VREF, is defined as:
Where:
T2 − T1 = full temperature change (0-70°C).
VREF can be positive or negative depending on whether the slope is positive or negative.
Example: VDEV = 8.0 mV, VREF = 2495 mV, T2 − T1 = 70°C, slope is positive.
(2) The dynamic output impedance, rZ, is defined as:
When the device is programmed with two external resistors, R1 and R2, (see Figure 5 ), the dynamic output impedance of the overall
circuit, rZ, is defined as:
Copyright © 2000–2013, Texas Instruments Incorporated
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3
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SNVS020G –MAY 2000–REVISED APRIL 2013
www.ti.com
Equivalent Circuit
4
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Copyright © 2000–2013, Texas Instruments Incorporated
Product Folder Links: LM431
LM431
www.ti.com
SNVS020G –MAY 2000–REVISED APRIL 2013
Typical Performance Characteristics
Input Current
vs
VZ
Thermal Information
Figure 7.
Figure 8.
Input Current
Dynamic Impedance
vs
VZ
vs
Frequency
Figure 9.
Figure 10.
Stability Boundary Conditions
Note: The areas under the curves represent conditions that may
cause the device to oscillate. For curves B, C, and D, R2 and V+ were
adjusted to establish the initial VZ and IZ conditions with CL = 0. V+
and CL were then adjusted to determine the ranges of stability.
Figure 11.
Figure 12.
Copyright © 2000–2013, Texas Instruments Incorporated
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LM431
SNVS020G –MAY 2000–REVISED APRIL 2013
www.ti.com
Typical Performance Characteristics (continued)
Test Circuit for Curve A Above
Test Circuit for Curves B, C and D Above
Figure 13.
Figure 14.
6
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Product Folder Links: LM431
LM431
www.ti.com
SNVS020G –MAY 2000–REVISED APRIL 2013
Typical Applications
Figure 15. Shunt Regulator
Figure 16. Single Supply Comparator with Temperature Compensated Threshold
Figure 17. Series Regulator
Copyright © 2000–2013, Texas Instruments Incorporated
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SNVS020G –MAY 2000–REVISED APRIL 2013
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Figure 18. Output Control of a Three Terminal Fixed Regulator
Figure 19. Higher Current Shunt Regulator
Figure 20. Crow Bar
8
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Product Folder Links: LM431
LM431
www.ti.com
SNVS020G –MAY 2000–REVISED APRIL 2013
Figure 21. Over Voltage/Under Voltage Protection Circuit
Figure 22. Voltage Monitor
Copyright © 2000–2013, Texas Instruments Incorporated
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9
Product Folder Links: LM431
LM431
SNVS020G –MAY 2000–REVISED APRIL 2013
www.ti.com
Figure 23. Delay Timer
Figure 24. Current Limiter or Current Source
Figure 25. Constant Current Sink
10
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Copyright © 2000–2013, Texas Instruments Incorporated
Product Folder Links: LM431
LM431
www.ti.com
SNVS020G –MAY 2000–REVISED APRIL 2013
REVISION HISTORY
Changes from Revision F (April 2013) to Revision G
Page
•
Changed layout of National Data Sheet to TI format .......................................................................................................... 10
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PACKAGE OPTION ADDENDUM
www.ti.com
18-May-2013
PACKAGING INFORMATION
Orderable Device
LM431ACM
Status Package Type Package Pins Package
Eco Plan Lead/Ball Finish
MSL Peak Temp
Op Temp (°C)
-40 to 85
Device Marking
Samples
Drawing
Qty
(1)
(2)
(3)
(4/5)
ACTIVE
SOIC
SOIC
D
8
8
95
TBD
Call TI
CU SN
Call TI
LM431
ACM
LM431ACM/NOPB
ACTIVE
D
95
Green (RoHS
& no Sb/Br)
Level-1-260C-UNLIM
-40 to 85
LM431
ACM
LM431ACM3
ACTIVE
ACTIVE
SOT-23
SOT-23
DBZ
DBZ
3
3
1000
1000
TBD
Call TI
CU SN
Call TI
-40 to 85
-40 to 85
N1F
LM431ACM3/NOPB
Green (RoHS
& no Sb/Br)
Level-1-260C-UNLIM
N1F
LM431ACM3X
ACTIVE
ACTIVE
SOT-23
SOT-23
DBZ
DBZ
3
3
3000
3000
TBD
Call TI
CU SN
Call TI
-40 to 85
-40 to 85
N1F
N1F
LM431ACM3X/NOPB
Green (RoHS
& no Sb/Br)
Level-1-260C-UNLIM
LM431ACMX
LM431ACMX/NOPB
LM431ACZ/LFT3
LM431ACZ/LFT4
LM431ACZ/NOPB
LM431AIM
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
SOIC
SOIC
TO-92
TO-92
TO-92
SOIC
SOIC
D
D
8
8
3
3
3
8
8
2500
2500
2000
2000
1800
95
TBD
Call TI
CU SN
SNCU
SNCU
SNCU
Call TI
CU SN
Call TI
-40 to 85
-40 to 85
LM431
ACM
Green (RoHS
& no Sb/Br)
Level-1-260C-UNLIM
Level-1-NA-UNLIM
Level-1-NA-UNLIM
Level-1-NA-UNLIM
Call TI
LM431
ACM
LP
LP
LP
D
Green (RoHS
& no Sb/Br)
LM431
ACZ
Green (RoHS
& no Sb/Br)
LM431
ACZ
Green (RoHS
& no Sb/Br)
-40 to 85
-40 to 85
-40 to 85
LM431
ACZ
TBD
LM431
AIM
LM431AIM/NOPB
D
95
Green (RoHS
& no Sb/Br)
Level-1-260C-UNLIM
LM431
AIM
LM431AIM3
ACTIVE
ACTIVE
SOT-23
SOT-23
DBZ
DBZ
3
3
1000
1000
TBD
Call TI
CU SN
Call TI
-40 to 85
-40 to 85
N1E
LM431AIM3/NOPB
Green (RoHS
& no Sb/Br)
Level-1-260C-UNLIM
N1E
LM431AIM3X
ACTIVE
ACTIVE
SOT-23
SOT-23
DBZ
DBZ
3
3
3000
3000
TBD
Call TI
CU SN
Call TI
-40 to 85
-40 to 85
N1E
N1E
LM431AIM3X/NOPB
Green (RoHS
& no Sb/Br)
Level-1-260C-UNLIM
LM431AIMX
ACTIVE
SOIC
D
8
2500
TBD
Call TI
Call TI
-40 to 85
LM431
AIM
Addendum-Page 1
PACKAGE OPTION ADDENDUM
www.ti.com
18-May-2013
Orderable Device
Status Package Type Package Pins Package
Eco Plan Lead/Ball Finish
MSL Peak Temp
Op Temp (°C)
Device Marking
Samples
Drawing
Qty
(1)
(2)
(3)
(4/5)
LM431AIMX/NOPB
LM431AIZ/LFT1
LM431AIZ/NOPB
LM431BCM
ACTIVE
SOIC
TO-92
TO-92
SOIC
SOIC
D
8
3
3
8
8
2500
Green (RoHS
& no Sb/Br)
CU SN
SNCU
SNCU
Call TI
CU SN
Level-1-260C-UNLIM
Level-1-NA-UNLIM
Level-1-NA-UNLIM
Call TI
-40 to 85
LM431
AIM
ACTIVE
ACTIVE
ACTIVE
ACTIVE
LP
LP
D
2000
1800
95
Green (RoHS
& no Sb/Br)
LM431
AIZ
Green (RoHS
& no Sb/Br)
-40 to 85
-40 to 85
-40 to 85
LM431
AIZ
TBD
431
BCM
LM431BCM/NOPB
D
95
Green (RoHS
& no Sb/Br)
Level-1-260C-UNLIM
431
BCM
LM431BCM3
ACTIVE
ACTIVE
SOT-23
SOT-23
DBZ
DBZ
3
3
1000
1000
TBD
Call TI
CU SN
Call TI
-40 to 85
-40 to 85
N1D
LM431BCM3/NOPB
Green (RoHS
& no Sb/Br)
Level-1-260C-UNLIM
N1D
LM431BCM3X/NOPB
LM431BCMX
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
SOT-23
SOIC
SOIC
TO-92
SOIC
SOIC
DBZ
D
3
8
8
3
8
8
3000
2500
2500
1800
95
Green (RoHS
& no Sb/Br)
CU SN
Call TI
CU SN
SNCU
Call TI
CU SN
Level-1-260C-UNLIM
Call TI
-40 to 85
-40 to 85
-40 to 85
-40 to 85
-40 to 85
-40 to 85
N1D
TBD
431
BCM
LM431BCMX/NOPB
LM431BCZ/NOPB
LM431BIM
D
Green (RoHS
& no Sb/Br)
Level-1-260C-UNLIM
Level-1-NA-UNLIM
Call TI
431
BCM
LP
D
Green (RoHS
& no Sb/Br)
LM431
BCZ
TBD
431
BIM
LM431BIM/NOPB
D
95
Green (RoHS
& no Sb/Br)
Level-1-260C-UNLIM
431
BIM
LM431BIM3
ACTIVE
ACTIVE
SOT-23
SOT-23
DBZ
DBZ
3
3
1000
1000
TBD
Call TI
CU SN
Call TI
-40 to 85
-40 to 85
N1C
LM431BIM3/NOPB
Green (RoHS
& no Sb/Br)
Level-1-260C-UNLIM
N1C
LM431BIM3X
ACTIVE
ACTIVE
SOT-23
SOT-23
DBZ
DBZ
3
3
3000
3000
TBD
Call TI
CU SN
Call TI
-40 to 85
-40 to 85
N1C
N1C
LM431BIM3X/NOPB
Green (RoHS
& no Sb/Br)
Level-1-260C-UNLIM
LM431BIMX/NOPB
ACTIVE
SOIC
D
8
2500
Green (RoHS
& no Sb/Br)
CU SN
Level-1-260C-UNLIM
-40 to 85
431
BIM
Addendum-Page 2
PACKAGE OPTION ADDENDUM
www.ti.com
18-May-2013
Orderable Device
Status Package Type Package Pins Package
Eco Plan Lead/Ball Finish
MSL Peak Temp
Op Temp (°C)
Device Marking
Samples
Drawing
Qty
(1)
(2)
(3)
(4/5)
LM431CCM/NOPB
ACTIVE
SOIC
D
8
95
Green (RoHS
& no Sb/Br)
CU SN
Level-1-260C-UNLIM
-40 to 85
431
CCM
LM431CCM3
ACTIVE
ACTIVE
SOT-23
SOT-23
DBZ
DBZ
3
3
1000
1000
TBD
Call TI
CU SN
Call TI
-40 to 85
-40 to 85
N1B
LM431CCM3/NOPB
Green (RoHS
& no Sb/Br)
Level-1-260C-UNLIM
N1B
LM431CCM3X
ACTIVE
ACTIVE
SOT-23
SOT-23
DBZ
DBZ
3
3
3000
3000
TBD
Call TI
CU SN
Call TI
-40 to 85
-40 to 85
N1B
N1B
LM431CCM3X/NOPB
Green (RoHS
& no Sb/Br)
Level-1-260C-UNLIM
LM431CCZ/NOPB
LM431CIM
ACTIVE
ACTIVE
ACTIVE
TO-92
SOIC
SOIC
LP
D
3
8
8
1800
95
Green (RoHS
& no Sb/Br)
SNCU
Call TI
CU SN
Level-1-NA-UNLIM
Call TI
-40 to 85
-40 to 85
-40 to 85
LM431
CCZ
TBD
431
CIM
LM431CIM/NOPB
D
95
Green (RoHS
& no Sb/Br)
Level-1-260C-UNLIM
431
CIM
LM431CIM3
ACTIVE
ACTIVE
SOT-23
SOT-23
DBZ
DBZ
3
3
1000
1000
TBD
Call TI
CU SN
Call TI
-40 to 85
-40 to 85
N1A
LM431CIM3/NOPB
Green (RoHS
& no Sb/Br)
Level-1-260C-UNLIM
N1A
LM431CIM3X
ACTIVE
ACTIVE
SOT-23
SOT-23
DBZ
DBZ
3
3
3000
3000
TBD
Call TI
CU SN
Call TI
-40 to 85
-40 to 85
N1A
N1A
LM431CIM3X/NOPB
Green (RoHS
& no Sb/Br)
Level-1-260C-UNLIM
LM431CIZ/LFT1
LM431CIZ/NOPB
ACTIVE
ACTIVE
TO-92
TO-92
LP
LP
3
3
2000
1800
Green (RoHS
& no Sb/Br)
SNCU
SNCU
Level-1-NA-UNLIM
Level-1-NA-UNLIM
LM431
CIZ
Green (RoHS
& no Sb/Br)
-40 to 85
LM431
CIZ
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability
information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Addendum-Page 3
PACKAGE OPTION ADDENDUM
www.ti.com
18-May-2013
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that
lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between
the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight
in homogeneous material)
(3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.
(4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.
(5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation
of the previous line and the two combined represent the entire Device Marking for that device.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information
provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and
continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.
TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.
Addendum-Page 4
PACKAGE MATERIALS INFORMATION
www.ti.com
8-Apr-2013
TAPE AND REEL INFORMATION
*All dimensions are nominal
Device
Package Package Pins
Type Drawing
SPQ
Reel
Reel
A0
B0
K0
P1
W
Pin1
Diameter Width (mm) (mm) (mm) (mm) (mm) Quadrant
(mm) W1 (mm)
LM431ACM3
LM431ACM3/NOPB
LM431ACM3X
SOT-23
SOT-23
SOT-23
SOT-23
SOIC
DBZ
DBZ
DBZ
DBZ
D
3
3
3
3
8
8
3
3
3
3
8
8
3
3
3
8
8
3
1000
1000
3000
3000
2500
2500
1000
1000
3000
3000
2500
2500
1000
1000
3000
2500
2500
1000
178.0
178.0
178.0
178.0
330.0
330.0
178.0
178.0
178.0
178.0
330.0
330.0
178.0
178.0
178.0
330.0
330.0
178.0
8.4
8.4
3.3
3.3
3.3
3.3
6.5
6.5
3.3
3.3
3.3
3.3
6.5
6.5
3.3
3.3
3.3
6.5
6.5
3.3
2.9
2.9
2.9
2.9
5.4
5.4
2.9
2.9
2.9
2.9
5.4
5.4
2.9
2.9
2.9
5.4
5.4
2.9
1.22
1.22
1.22
1.22
2.0
4.0
4.0
4.0
4.0
8.0
8.0
4.0
4.0
4.0
4.0
8.0
8.0
4.0
4.0
4.0
8.0
8.0
4.0
8.0
8.0
Q3
Q3
Q3
Q3
Q1
Q1
Q3
Q3
Q3
Q3
Q1
Q1
Q3
Q3
Q3
Q1
Q1
Q3
8.4
8.0
LM431ACM3X/NOPB
LM431ACMX
8.4
8.0
12.4
12.4
8.4
12.0
12.0
8.0
LM431ACMX/NOPB
LM431AIM3
SOIC
D
2.0
SOT-23
SOT-23
SOT-23
SOT-23
SOIC
DBZ
DBZ
DBZ
DBZ
D
1.22
1.22
1.22
1.22
2.0
LM431AIM3/NOPB
LM431AIM3X
8.4
8.0
8.4
8.0
LM431AIM3X/NOPB
LM431AIMX
8.4
8.0
12.4
12.4
8.4
12.0
12.0
8.0
LM431AIMX/NOPB
LM431BCM3
SOIC
D
2.0
SOT-23
SOT-23
SOT-23
SOIC
DBZ
DBZ
DBZ
D
1.22
1.22
1.22
2.0
LM431BCM3/NOPB
LM431BCM3X/NOPB
LM431BCMX
8.4
8.0
8.4
8.0
12.4
12.4
8.4
12.0
12.0
8.0
LM431BCMX/NOPB
LM431BIM3
SOIC
D
2.0
SOT-23
DBZ
1.22
Pack Materials-Page 1
PACKAGE MATERIALS INFORMATION
www.ti.com
8-Apr-2013
Device
Package Package Pins
Type Drawing
SPQ
Reel
Reel
A0
B0
K0
P1
W
Pin1
Diameter Width (mm) (mm) (mm) (mm) (mm) Quadrant
(mm) W1 (mm)
LM431BIM3/NOPB
LM431BIM3X
SOT-23
SOT-23
SOT-23
SOIC
DBZ
DBZ
DBZ
D
3
3
3
8
3
3
3
3
3
3
3
3
1000
3000
3000
2500
1000
1000
3000
3000
1000
1000
3000
3000
178.0
178.0
178.0
330.0
178.0
178.0
178.0
178.0
178.0
178.0
178.0
178.0
8.4
8.4
8.4
12.4
8.4
8.4
8.4
8.4
8.4
8.4
8.4
8.4
3.3
3.3
3.3
6.5
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
2.9
2.9
2.9
5.4
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
1.22
1.22
1.22
2.0
4.0
4.0
4.0
8.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
8.0
8.0
8.0
12.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
Q3
Q3
Q3
Q1
Q3
Q3
Q3
Q3
Q3
Q3
Q3
Q3
LM431BIM3X/NOPB
LM431BIMX/NOPB
LM431CCM3
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
DBZ
DBZ
DBZ
DBZ
DBZ
DBZ
DBZ
DBZ
1.22
1.22
1.22
1.22
1.22
1.22
1.22
1.22
LM431CCM3/NOPB
LM431CCM3X
LM431CCM3X/NOPB
LM431CIM3
LM431CIM3/NOPB
LM431CIM3X
LM431CIM3X/NOPB
*All dimensions are nominal
Device
Package Type Package Drawing Pins
SPQ
Length (mm) Width (mm) Height (mm)
LM431ACM3
LM431ACM3/NOPB
LM431ACM3X
SOT-23
SOT-23
SOT-23
SOT-23
SOIC
DBZ
DBZ
DBZ
DBZ
D
3
3
3
3
8
1000
1000
3000
3000
2500
210.0
210.0
210.0
210.0
367.0
185.0
185.0
185.0
185.0
367.0
35.0
35.0
35.0
35.0
35.0
LM431ACM3X/NOPB
LM431ACMX
Pack Materials-Page 2
PACKAGE MATERIALS INFORMATION
www.ti.com
8-Apr-2013
Device
Package Type Package Drawing Pins
SPQ
Length (mm) Width (mm) Height (mm)
LM431ACMX/NOPB
LM431AIM3
SOIC
SOT-23
SOT-23
SOT-23
SOT-23
SOIC
D
8
3
3
3
3
8
8
3
3
3
8
8
3
3
3
3
8
3
3
3
3
3
3
3
3
2500
1000
1000
3000
3000
2500
2500
1000
1000
3000
2500
2500
1000
1000
3000
3000
2500
1000
1000
3000
3000
1000
1000
3000
3000
367.0
210.0
210.0
210.0
210.0
367.0
367.0
210.0
210.0
210.0
367.0
367.0
210.0
210.0
210.0
210.0
367.0
210.0
210.0
210.0
210.0
210.0
210.0
210.0
210.0
367.0
185.0
185.0
185.0
185.0
367.0
367.0
185.0
185.0
185.0
367.0
367.0
185.0
185.0
185.0
185.0
367.0
185.0
185.0
185.0
185.0
185.0
185.0
185.0
185.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
DBZ
DBZ
DBZ
DBZ
D
LM431AIM3/NOPB
LM431AIM3X
LM431AIM3X/NOPB
LM431AIMX
LM431AIMX/NOPB
LM431BCM3
SOIC
D
SOT-23
SOT-23
SOT-23
SOIC
DBZ
DBZ
DBZ
D
LM431BCM3/NOPB
LM431BCM3X/NOPB
LM431BCMX
LM431BCMX/NOPB
LM431BIM3
SOIC
D
SOT-23
SOT-23
SOT-23
SOT-23
SOIC
DBZ
DBZ
DBZ
DBZ
D
LM431BIM3/NOPB
LM431BIM3X
LM431BIM3X/NOPB
LM431BIMX/NOPB
LM431CCM3
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
DBZ
DBZ
DBZ
DBZ
DBZ
DBZ
DBZ
DBZ
LM431CCM3/NOPB
LM431CCM3X
LM431CCM3X/NOPB
LM431CIM3
LM431CIM3/NOPB
LM431CIM3X
LM431CIM3X/NOPB
Pack Materials-Page 3
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相关型号:
LM431BIM3X/NOPB
IC 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.495 V, PDSO3, PLASTIC, SOT-23, 3 PIN, Voltage Reference
NSC
LM431BIM3XN1C
IC 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.495 V, PDSO3, SOT-23, 3 PIN, Voltage Reference
NSC
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