ꢀ ꢁꢂ ꢃ ꢄ ꢅ ꢀ ꢁꢂ ꢃ ꢄ ꢆꢅ ꢀ ꢁꢂ ꢃ ꢄ ꢇꢅ ꢀ ꢁꢂ ꢃ ꢈ ꢅ ꢀ ꢁꢂ ꢃ ꢈ ꢆꢅ ꢀꢁ ꢂꢃ ꢈꢇ
ꢆꢉꢊ ꢋꢌ ꢀꢆꢇꢁ ꢍ ꢎꢏ ꢍꢐꢑꢌ ꢑꢒ ꢓ ꢌꢔꢋ ꢓꢀ ꢏꢍ ꢕ ꢋꢁ ꢆꢀꢒ ꢏꢌ
SLVS543A – AUGUST 2004 − REVISED AUGUST 2004
D
D
Operation From −40°C to 125°C
− 0.5% . . . B Grade
− 1% . . . A Grade
D
D
D
D
Low Output Noise
0.2-Ω Typical Output Impedance
Sink-Current Capability . . . 1 mA to 100 mA
− 2% . . . Standard Grade
Adjustable Output Voltage . . . V to 36 V
ref
Typical Temperature Drift (TL431B)
− 6 mV (C Temp)
− 14 mV (I Temp, Q Temp)
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)
TL431, TL431A, TL431B . . . LP (TO-92/TO-226) PACKAGE
(TOP VIEW)
CATHODE
ANODE
REF
CATHODE
ANODE
REF
TL432, TL432A, TL432B . . . DBV (SOT23-5) PACKAGE
(TOP VIEW)
TL431, TL431A, TL431B . . . DBV (SOT23-5) PACKAGE
(TOP VIEW)
1
NC
ANODE
NC
REF
5
4
1
NC
NU
ANODE
REF
5
4
2
3
2
3
CATHODE
CATHODE
NC − No internal connection
NC − No internal connection
NU − Make no external connection
TL432, TL432A, TL432B . . . DBZ (SOT23-3) PACKAGE
(TOP VIEW)
TL431, TL431A, TL431B . . . DBZ (SOT23-3) PACKAGE
(TOP VIEW)
1
2
1
2
CATHODE
REF
REF
ANODE
ANODE
3
3
CATHODE
TL431 . . . KTP (PowerFLEXE/TO-252) PACKAGE
TL431A, TL431B . . . DCK (SC-70) PACKAGE
(TOP VIEW)
(TOP VIEW)
CATHODE
ANODE
REF
1
2
3
6
5
4
CATHODE
NC
ANODE
NC
NC
REF
NC − No internal connection
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.
PowerFLEX is a trademark of Texas Instruments.
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Copyright 2004, Texas Instruments Incorporated
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