STMicroelectronics LM236, LM336 User Manual
LM236
LM336,B
2.5V VOLTAGE REFERENCES
■LOW TEMPERATURE COEFFICIENT
■WIDE OPERATING CURRENT OF 400µA TO 10mA
■0.2Ω DYNAMIC IMPEDANCE
■GUARANTEED TEMPERATURE STABILITY
■FAST TURN-ON
Z
TO92
(Plastic Package)
D
SO8
(Plastic Micropackage)
DESCRIPTION
The LM236 and LM336 are precision 2.5V regulator diodes. These voltage reference monolithic ICs operate like 2.5V zener diodes with a low temperature coefficient and a dynamic impedance of 0.2Ω. A third pin enables adjusting the reference voltage and the temperature coefficient.
PIN CONNECTIONS (top view)
ORDER CODE
Part Number |
Temperature |
Package |
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Range |
Z |
D |
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LM236 |
-25°C, +85°C |
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∙ |
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LM336,B |
0°C, +70°C |
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Z = TO92 Plastic package - also available in Bulk (Z), Tape & Reel (ZT) and Ammo Pack (AP)
D = Small Outline Package (SO) - also available in Tape & Reel (DT)
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TO92 |
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SO8 |
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(Top view) |
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V+ |
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NC |
NC |
ADJ |
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ADJ v+ v- |
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6 |
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5 |
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1- NC |
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2- NC |
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3- NC |
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4- V- |
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5- ADJ |
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6- NC |
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7- NC |
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8- V+ |
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1 |
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4 |
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NC |
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NC |
NC |
V+ |
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May 2003 |
1/10 |
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LM236 - LM336,B
SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol |
Parameter |
LM236 |
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LM336,B |
Unit |
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IR |
Current |
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Reverse |
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15 |
mA |
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IF |
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Forward |
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10 |
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Toper |
Operating Free-air Temperature Range |
-25 to +85 |
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0 to +70 |
°C |
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TStg |
Storage Temperature Range |
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-65 to +150 |
°C |
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ELECTRICAL CHARACTERISTICS
Symbol |
Parameter |
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LM236 |
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LM336,B |
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Unit |
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Min. |
Typ. |
Max. |
Min. |
Typ. |
Max. |
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Reference Breakdown Voltage |
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VR |
Tamb = +25°C, I R = 1mA |
2.44 |
2.49 |
2.54 |
2.39 |
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2.49 |
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2.59 |
V |
LM236, LM336 |
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LM336B |
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2.44 |
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2.49 |
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2.54 |
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Reverse Breakdown Voltage Change with Current |
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VR |
400µA ≤ IR ≤ 10mA |
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Tamb = +25°C |
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2.6 |
6 |
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2.6 |
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10 |
mV |
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Tmin. ≤ Tamb ≤ Tmax. |
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3 |
10 |
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3 |
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12 |
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Reverse Dynamic Impedance (IR = 1mA) |
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Ω |
ZD |
Tamb = +25°C |
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0.2 |
0.6 |
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0.2 |
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1 |
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Tmin. ≤ Tamb ≤ Tmax. |
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0.4 |
1 |
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0.4 |
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1.4 |
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KVT |
Temperature Stability (VR = 2.49V, IR = 1mA) |
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3.5 |
9 |
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1.8 |
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6 |
mV |
KVH |
Long Term Stability (Tamb = +25°C ±0.1°C, I R= 1mA) |
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20 |
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20 |
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ppm |
2/10
LM236 - LM336,B
3/10
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