TL431BCD ON Semiconductor, TL431BCD Datasheet

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TL431BCD

Manufacturer Part Number
TL431BCD
Description
IC REFERENCE PROG 2.5V 8SOIC
Manufacturer
ON Semiconductor
Datasheet

Specifications of TL431BCD

Reference Type
Shunt, Adjustable
Voltage - Output
2.495 ~ 36 V
Tolerance
±0.4%
Temperature Coefficient
50ppm/°C
Number Of Channels
1
Current - Cathode
1mA
Current - Output
100mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Product
Voltage References
Topology
Shunt References
Output Voltage
Adjustable
Initial Accuracy
0.4 %
Average Temperature Coefficient (typ)
50 PPM / C
Series Vref - Input Voltage (max)
37 V
Shunt Current (max)
100 mA
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Shunt Current (min)
1 mA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Voltage - Input
-
Current - Quiescent
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
TL431BCDOS

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TL431, A, B Series,
NCV431A, B
Programmable
Precision References
programmable shunt regulator diodes. These monolithic IC voltage
references operate as a low temperature coefficient zener which is
programmable from V
devices exhibit a wide operating current range of 1.0 mA to 100 mA
with a typical dynamic impedance of 0.22 W. The characteristics of
these references make them excellent replacements for zener diodes in
many applications such as digital voltmeters, power supplies, and op
amp circuitry. The 2.5 V reference makes it convenient to obtain a
stable reference from 5.0 V logic supplies, and since the TL431, A, B
operates as a shunt regulator, it can be used as either a positive or
negative voltage reference.
Features
© Semiconductor Components Industries, LLC, 2011
April, 2011 − Rev. 32
The TL431, A, B integrated circuits are three−terminal
Temperature Range
Programmable Output Voltage to 36 V
Voltage Reference Tolerance: ±0.4%, Typ @ 25°C (TL431B)
Low Dynamic Output Impedance, 0.22 W Typical
Sink Current Capability of 1.0 mA to 100 mA
Equivalent Full−Range Temperature Coefficient of 50 ppm/°C Typical
Temperature Compensated for Operation over Full Rated Operating
Low Output Noise Voltage
These are Pb−Free and Halide−Free Devices
ref
to 36 V with two external resistors. These
1
This is an internally modified SOIC−8 package. Pins 2, 3, 6 and
7 are electrically common to the die attach flag. This internal
lead frame modification increases power dissipation capability
when appropriately mounted on a printed circuit board. This
modified package conforms to all external dimensions of the
standard SOIC−8 package.
See detailed ordering and shipping information in the package
dimensions section on page 13 of this data sheet.
See general marking information in the device marking
section on page 14 of this data sheet.
1
8
DEVICE MARKING INFORMATION
8
2
3
8
Anode
ORDERING INFORMATION
1
Cathode
Cathode
1
1
Pin 1. Reference
http://onsemi.com
N/C
N/C
N/C
N/C
2. Anode
3. Cathode
1
2
3
4
1
2
3
4
(Top View)
(Top View)
Publication Order Number:
TO−92 (TO−226)
8
7
6
5 N/C
LP SUFFIX
8
7
6
5
CASE 846A
CASE 751
DM SUFFIX
D SUFFIX
CASE 29
CASE 626
P SUFFIX
SOIC−8
Micro8E
Reference
N/C
Anode
PDIP−8
Reference
N/C
Anode
TL431/D

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TL431BCD Summary of contents

Page 1

TL431 Series, NCV431A, B Programmable Precision References The TL431 integrated circuits are three−terminal programmable shunt regulator diodes. These monolithic IC voltage references operate as a low temperature coefficient zener which is programmable from ...

Page 2

Symbol Cathode (K) Reference (R) Anode (A) Representative Block Diagram Reference ( 2.5 V ref Anode (A) MAXIMUM RATINGS (Full operating ambient temperature range applies, unless otherwise noted.) Rating Cathode to Anode Voltage Cathode Current Range, Continuous Reference ...

Page 3

... T = −40°C for TL431AIP TL431AILP, TL431IP, TL431ILP, TL431BID, TL431BIP, TL431BILP, TL431AIDM, TL431IDM, TL431BIDM; low = 0°C for TL431ACP, TL431ACLP, TL431CP, TL431CLP, TL431CD, TL431ACD, TL431BCD, TL431BCP, TL431BCLP, TL431CDM, TL431ACDM, TL431BCDM T = +85°C for TL431AIP, TL431AILP, TL431IP, TL431ILP, TL431BID, TL431BIP, TL431BILP, TL431IDM, TL431AIDM, TL431BIDM high = +70° ...

Page 4

... TL431AIP TL431AILP, TL431IP, TL431ILP, TL431BID, TL431BIP, TL431BILP, TL431BV, TL431AIDM, TL431IDM, low TL431BIDM, NCV431AIDMR2, NCV431AIDR2 = 0°C for TL431ACP, TL431ACLP, TL431CP, TL431CLP, TL431CD, TL431ACD, TL431BCD, TL431BCP, TL431BCLP, TL431CDM, TL431ACDM, TL431BCDM T = +85°C for TL431AIP, TL431AILP, TL431IP, TL431ILP, TL431BID, TL431BIP, TL431BILP, TL431IDM, TL431AIDM, TL431BIDM high = +70° ...

Page 5

Input ref Figure 1. Test Circuit for ref 150 ref T = 25°C A 100 Input -50 -100 -2.0 -1.0 0 ...

Page 6

Input - ref - CATHODE VOLTAGE (V) KA Figure 8. Change in Reference Input Voltage versus Cathode Voltage 100 T = 25°C 1 ...

Page 7

T = 25°C A 3.0 Monitor Output 2.0 Pulse Generator f = 100 kHz 1.0 0 5.0 Input 0 0 4.0 8 TIME (ms) Figure 14. Pulse Response 150 Figure 16. Test Circuit For Curve ...

Page 8

MC7805 V+ Out In Common out + ref 5 out(min) ref Figure 20. Output Control for a Three−Terminal Fixed Regulator out V ref ...

Page 9

L.E.D. indicator is `on' when V+ is between the upper and lower limits. Lower Limit + ref R2 Upper Limit + ref R4 Figure 26. Voltage Monitor 25 ...

Page 10

TIP115 1.0 k 4.7 k MPSA20 + 2200 mF 4.7 k 0.1 mF 2.2 k Figure 30. High Efficiency Step−Down Switching Converter Test Line Regulation ...

Page 11

The TL431 is a programmable precision reference which is used in a variety of ways. It serves as a reference voltage in circuits where a non−standard reference voltage is needed. Other uses include feedback control for driving an optocoupler in ...

Page 12

Input 15 k 9.0 mF Ref 1 500 k 8.25 k TL431 OPEN-LOOP VOLTAGE GAIN VERSUS FREQUENCY -10 - FREQUENCY (Hz) Figure 32. Example ...

Page 13

... ORDERING INFORMATION Marking Code Device Operating Temperature Range AC TL431ACDG TL431BCDG BC TL431CDG C AC TL431ACDR2G TL431BCDR2G BC TL431CDR2G C TAC TL431ACDMR2G TL431BCDMR2G TBC TL431CDMR2G T−C ACP TL431ACPG TL431BCPG BCP TL431CPG CP ACLP TL431ACLPG TL431BCLPG BCLP TL431CLPG CLP TL431ACLPRAG ACLP TL431BCLPRAG BCLP TL431CLPRAG CLP TL431ACLPREG ACLP TL431BCLPREG ...

Page 14

ORDERING INFORMATION Marking Code Device Operating Temperature Range TL431BVDG BV TL431BVDR2G TL431BVDMR2G TBV TL431BVLPG BVLP TL431BVLPRAG TL431BVPG BVP NCV431AIDMR2G RAN NCV431AIDR2G AV NCV431BVDMR2G NVB †For information on tape and reel specifications, including part orientation and tape sizes, please refer to ...

Page 15

STRAIGHT LEAD BENT LEAD BULK PACK TAPE & REEL AMMO PACK SEATING K PLANE SEATING ...

Page 16

NOTE 5 F TOP VIEW e 0.010 SIDE VIEW PACKAGE DIMENSIONS PDIP−8 P SUFFIX CASE 626−05 ISSUE M NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME ...

Page 17

... SEATING −T− PLANE A 0.038 (0.0015) A1 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. PACKAGE DIMENSIONS Micro8 DM SUFFIX CASE 846A−02 ISSUE G NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. ...

Page 18

... *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. Micro8 is a trademark of International Rectifier. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein ...

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