LM236Z ,2.5V VOLTAGE REFERENCESELECTRICAL CHARACTERISTICSo oLM236 -25 C ≤ T ≤ +85 Cambo oLM336,B 0 C ≤ Tamb ≤ +70 C(unless other ..
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LM236-LM236D-LM236DT-LM236Z-LM336-LM336BD-LM336BDT-LM336D-LM336DT-LM336Z
2.5V VOLTAGE REFERENCES
LOW TEMPERATURE COEFFICIENT. WIDE OPERATING CURRENT OF 400μA TO10mA. 0.2Ω DYNAMIC IMPEDANCE. GUARANTEED TEMPERATURE STABILITY. FAST TURN-ON
DESCRIPTIONThe LM236 and LM336 are precision 2.5V regulator
diodes. These voltage reference monolithic ICs op-
erate like 2.5V zener diodes with a low temperature
coefficient and a dynamic impedance of
third pin enables adjusting the reference voltage
2.5V VOLTAGE REFERENCES
LM236 M336,B
ORDER CODES
SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
LM236 -25o C ≤ Tamb ≤ +85oC
LM336,B 0o C ≤ Tamb ≤ +70oC
(unless otherwise specified)
LM236 - LM336,B2/9
LM236 - LM336,B3/9
APPLICATION HINTSThe LM236, LM336 voltage references are easier to
use than zener diodes. Their low impedance and
wide current range facilitate biasing in any circuits.
Besides, the breakdown voltage or the temperature
coefficient can be adjusted so as to optimize the per-
formance of the circuit.
Figure 1 represents a LM336 with a 10kΩ potenti-
ometer to adjust the reverse breakdown voltage can
be adjusted without altering the temperature coeffi-
cient of the circuit. The adjustment range is gener-
ally sufficient to adjust the initial tolerance of the cir-
cuit and the inaccuracy of the amplifier circuit.
To obtain a lower temperature coefficient two diodes
can be connected in series as indicated in Figure 2.
When the circuit is adjusted to 2.49V the tempera-
ture coefficient is minimized.
For a correct temperature coefficient, the diodes
should be at the same ambient temperature as the
LM336. The value of R1 is not critical (2-20kΩ).
Figure 1 : The LM336 with Pot for Adjustment of
Breakdown Voltage
Figure 2 : Temperature Coefficient Adjustment
LM236 - LM336,B4/9
TYPICAL APPLICATIONS
Figure 3 : 2.5V Reference
Figure 4 : Wide Input Range Reference
Figure 5 : Precision Power Regulator with Low Temperature Coefficient
Figure 6 : Adjustable Shunt Regulator
LM236 - LM336,B5/9
Figure 7 : Linear Ohmmeter
Figure 8 : Bipolar Output Reference
LM236 - LM336,B6/9
