型号: TL431
厂商: Motorola, Inc Motorola, Inc
描述: programmable precision references
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www.ti.com  
SLVS543K AUGUST 2004REVISED JUNE 2010  
1
FEATURES  
Operation From 40°C to 125°C  
Typical Temperature Drift (TL431B)  
Reference Voltage Tolerance at 25°C  
6 mV (C Temp)  
0.5% . . . B Grade  
1%. . . A Grade  
14 mV (I Temp, Q Temp)  
Low Output Noise  
2% . . . Standard Grade  
0.2-Ω Typical Output Impedance  
Sink-Current Capability . . . 1 mA to 100 mA  
Adjustable Output Voltage . . . Vref to 36 V  
TL431, TL431A, TL431B . . . D (SOIC) PACKAGE  
(TOP VIEW)  
TL431, TL431A, TL431B . . . P (PDIP), PS (SOP),  
OR PW (TSSOP) PACKAGE  
(TOP VIEW)  
1
2
3
4
8
7
6
5
CATHODE  
ANODE  
ANODE  
NC  
REF  
1
2
3
4
8
7
6
5
CATHODE  
NC  
REF  
NC  
ANODE  
ANODE  
NC  
NC  
ANODE  
NC  
NC  
NC − No internal connection  
NC − No internal connection  
TL431, TL431A, TL431B . . . PK (SOT-89) PACKAGE  
(TOP VIEW)  
TL432, TL432A, TL432B . . . PK (SOT-89) PACKAGE  
(TOP VIEW)  
CATHODE  
ANODE  
REF  
REF  
ANODE  
CATHODE  
TL432, TL432A, TL432B . . . DBV (SOT-23-5) PACKAGE  
(TOP VIEW)  
TL431, TL431A, TL431B . . . DBV (SOT-23-5) PACKAGE  
(TOP VIEW)  
1
NC  
ANODE  
NC  
REF  
5
4
1
NC  
ANODE  
REF  
5
4
2
3
2
3
CATHODE  
CATHODE  
NC − No internal connection  
NC − No internal connection  
Pin 2 is attached to Substrate and must be  
connected to ANODE or left open.  
TL432, TL432A, TL432B . . . DBZ (SOT-23-3) PACKAGE  
(TOP VIEW)  
TL431, TL431A, TL431B . . . DBZ (SOT-23-3) PACKAGE  
(TOP VIEW)  
1
2
1
2
CATHODE  
REF  
REF  
ANODE  
ANODE  
3
3
CATHODE  
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.  
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 © 2004–2010, Texas Instruments Incorporated  

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