ꢀ ꢁꢂ ꢃ ꢄ ꢅꢂ ꢆ ꢇꢈ ꢀ ꢁꢃ ꢃ ꢄ ꢅꢂ ꢆ ꢇꢈ ꢀ ꢁ ꢃꢃ ꢄꢉ ꢅꢂ ꢆꢇ
ꢂ ꢆꢇ ꢅꢊ ꢋꢌ ꢍꢎ ꢏ ꢐꢑꢍ ꢎꢒ ꢐꢎ ꢓꢎ ꢐꢎꢌꢔꢎ ꢔ ꢋꢐ ꢔꢕ ꢋ ꢍꢖ
SLVS063E − NOVEMBER 1988 − REVISED OCTOBER 2003
D PACKAGE
(TOP VIEW)
D
D
D
D
D
D
Low Temperature Coefficient
Wide Operating Current . . . 400 µA
to 10 mA
NC
NC
NC
CATHODE
NC
NC
1
2
3
4
8
7
6
5
0.27-Ω Dynamic Impedance
1% Tolerance Available
ANODE
ADJ
Specified Temperature Stability
Easily Trimmed for Minimum Temperature
Drift
NC − No internal connection
D
Fast Turnon
LM336-2.5, LM336B-2.5 . . . LP PACKAGE
(TOP VIEW)
description/ordering information
ANODE
CATHODE
ADJ
The LM236-2.5, LM336-2.5, and LM336B-2.5
integrated circuits are precision 2.5-V shunt
regulator diodes. These
reference circuits
operate as low-temperature-coefficient 2.5-V
Zener diodes with a 0.2-Ω dynamic impedance. A
third terminal provided on the circuit allows the
reference voltage and temperature coefficient to
be trimmed easily.
The series is useful as precision 2.5-V low-voltage references (V ) for digital voltmeters, power supplies, or
Z
operational-amplifier circuitry. The 2.5-V voltage reference makes it convenient to obtain a stable reference from
5-V logic supplies. Devices in this series operate as shunt regulators, and can be used as either positive or
negative voltage references.
The LM236-2.5 is characterized for operation from −25°C to 85°C. The LM336-2.5 and LM336B-2.5 are
characterized for operation from 0°C to 70°C.
ORDERING INFORMATION
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
†
T
A
PACKAGE
Tube of 75
LM336D-2-5
336-25
Reel of 2500
Tube of 75
LM336DR-2-5
LM336BD-2-5
LM336BDR−2-5
LM336LP-2-5
LM336LPR-2-5
LM336BLP-2-5
LM336BLPR-2-5
LM236D-2-5
SOIC (D)
336B25
336-25
336B25
236-25
Reel of 2500
Bulk of 1000
Reel of 2000
Bulk of 1000
Reel of 2000
Tube of 75
0°C to 70°C
TO-226 / TO-92 (LP)
SOIC (D)
−25°C to 85°C
Reel of 2500
LM236DR-2-5
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
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.
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Copyright 2003, Texas Instruments Incorporated
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