|
|
PDF TL431 Data sheet ( Hoja de datos )
| Número de pieza | TL431 | |
| Descripción | ADJUSTABLE PRECISION SHUNT REGULATOR | |
| Fabricantes | Diodes | |
| Logotipo |  |
|
 1. Precision Shunt Regulator - TI  Hay una vista previa y un enlace de descarga de TL431 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
|
No Preview Available !
TL431/TL432
ADJUSTABLE PRECISION SHUNT REGULATOR
Description
The TL431 and TL432 are three terminal adjustable shunt
regulators offering excellent temperature stability and output
current handling capability up to 100mA. The output voltage
may be set to any chosen voltage between 2.5 and 36 volts
by selection of two external divider resistors.
The devices can be used as a replacement for zener diodes
in many applications requiring an improvement in zener
performance. Diodes’ TL431 has the same electrical
specifications as the industry standard ‘431 and is available
in 2 grades with initial tolerances of 1% and 0.5% for the
A and B grades respectively.
Features
• Temperature range -40 to +125ºC
• Reference Voltage Tolerance at 25°C
• TL431A: 2.495V ± 1.0%
• TL431B: 2.495V ± 0.5%
• Low Output Noise
• 0.2Ω Typical Output Impedance
• Sink Current Capability: 1mA to 100mA
• Adjustable Output Voltage: VREF to 36V
• All devices are:
• Totally Lead-Free & Fully RoHS compliant
(Notes 1 & 2)
• Halogen and Antimony Free. “Green” Device
(Note 3)
Pin Assignments
TL431
(Top View)
CATHODE 1
3 ANODE
REF 2
SOT23
(Top View)
NC
Leave floating or
connect to pin 5
2
5 ANODE
CATHODE 3
4 REF
SOT25
(Top View)
CATHODE 1
ANODE 2
ANODE 3
NC 4
8 REF
7 ANODE
6 ANODE
5 NC
SO-8
SO-8 is a future product
Applications
• Opto-Coupler Linearisers
• Shunt Regulators
• Improved Zener
• Variable Reference
TL432
(Top View)
REF 1
CATHODE 2
3 ANODE
SOT23
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen and Antimony free,
"Green" and Lead-Free.
3. Halogen and Antimony free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
TL431
*SO-8 is a future package
Document number: DS35044 Rev. 6 - 2
1 of 14
www.diodes.com
April 2012
© Diodes Incorporated
1 page  
TL431/TL432
ADJUSTABLE PRECISION SHUNT REGULATOR
Typical Performance Characteristics
26 00
25 80
25 60
IKA = 10mA
VKA = VREF
TA = 25°C
25 40
25 20
25 00
24 80
24 60
24 40
24 20
24 00
-55
-35 -15 5 25 45 65 85 105 125
TA Free Air Temperature (°C)
Reference Voltage vs. Free Air Temperature
15 0
10 0
VKA = VREF
TA = 25°C
50
0.2
0.1 5
R1 = 10KΩ
R2 = ∞
IKA = 10mA
0.1
0.0 5
0
-55 -35 -15 5 25 45 65 85 105 125
TA Free Air Temperature (°C)
Reference Current vs. Free Air Temperature
20 0
VKA = VREF
TA = 25°C
10 0
IKMIN
0
0
-50
-100
-2
-1 0 1 2
VKA Cathode Voltage (V)
Cathode Current vs. Cathode Voltage
3
0.5 0
0.4 5
0.4 0
VKA = 36V
VREF = 0
0.3 5
0.3 0
0.2 5
0.2 0
0.1 5
0.1 0
0.0 5
0.0 0
-75 -50 -25 0 25 50 75 100 125
TA Free Air Temperature (°C)
Off-State Cathode Current vs. Free Air Temperature
-100
-2
-0.2
-0.3
-0.4
-1 0 1 2
VKA Cathode Voltage
Cathode Current vs. Cathode Voltage
3
VKA = 3V to 36V
-0.5
-0.6
-0.7
-0.8
-0.9
-1.0
-50 -25 0 25 50 75 100 125
TA Free Air Temperature (C)
Ratio of Delta Reference Voltage to Delta Cathode
Voltage vs. Free Air Temperature
TL431
*SO-8 is a future package
Document number: DS35044 Rev. 6 - 2
5 of 14
www.diodes.com
April 2012
© Diodes Incorporated
5 Page 
TL431/TL432
ADJUSTABLE PRECISION SHUNT REGULATOR
Marking Information
(1) SOT23
( Top View )
3
XX Y W X
12
XX : Identification code
Y : Year 0~9
W : Week : A~Z : 1~26 week;
a~z : 27~52 week; z represents
52 and 53 week
X : A~Z : Green
(2) SOT25
Device
TL431ASA
TL431BSA
TL432ASA
TL432BSA
Package
SOT23
SOT23
SOT23
SOT23
Identification Code
AA
AB
BA
BB
(3) SO-8*
Device
TL431AW5
TL431BW5
Package
SOT25
SOT25
Identification Code
AA
AB
Logo
Part Number
(Top View )
8765
TL431X
YY WW X X
1 2 34
X: tolerance A = 1%, B = 0.5%
YY : Year : 08, 09,10~
WW : Week : 01~52; 52
represents 52 and 53 week
XX: Internal Code
TL431
*SO-8 is a future package
Document number: DS35044 Rev. 6 - 2
11 of 14
www.diodes.com
April 2012
© Diodes Incorporated
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet TL431.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| TL430 | Adjustable Shunt Regulators (Rev. D) |  Texas Instruments |
| TL431 | ADJUSTABLE PRECISION SHUNT REGULATOR | Diodes |
| TL431 | PROGRAMMABLE PRECISION REFERENCES |  Motorola Semiconductors |
| TL431 | PROGRAMMABLE PRECISION REFERENCES |  ON Semiconductor |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |