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Partno	Mfg	Dc	Qty	Available	Descript
LM336B	ST	N/a	105	avai	2.5V VOLTAGE REFERENCES

LM336B ,2.5V VOLTAGE REFERENCESELECTRICAL CHARACTERISTICSo oLM236 -25 C ≤ T ≤ +85 Cambo oLM336,B 0 C ≤ Tamb ≤ +70 C(unless otherwi ..
LM336B-2.5 ,Precision Voltage Reference SLVS063E − NOVEMBER 1988 − REVISED ..
LM336B-2.5 ,Precision Voltage Reference/sc/package.Please be aware that an important notice concerning availability, standard warranty, an ..
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LM336BD-2-5 ,2.5maximum ratings” may cause permanent damage to the device. These are stress ratings only, andfuncti ..
LM336BDR-2-5 ,2.5 SLVS063E − NOVEMBER 1988 − REVISED ..
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LM336B
2.5V VOLTAGE REFERENCES
TO92
(Plastic Package LOW TEMPERATURE COEFFICIENT. WIDE OPERATING CURRENT OF 400μATO
10mA. 0.2Ω DYNAMIC IMPEDANCE. GUARANTEED TEMPERATURE STABILITY. FAST TURN-ON
DESCRIPTION
The LM236and LM336areprecision 2.5V regulator
diodes.These voltagereference monolithic ICs op-
erate like 2.5V zener diodes witha low temperature
coefficient anda dynamic impedanceof 0.2Ω.A
third pin enables adjusting the reference voltage
and the temperature coefficient.
PIN CONNECTIONS 6 5 3 4
ADJ NC
SO8
(Top view)ADJ V-
TO92
(Bottom view)
SO8
(PlasticMicropackage)
2.5V VOLTAGE REFERENCES
LM236
LM336,B
ORDER CODES
Part num-
ber Temperature Range Package
LM236 –25oC, +85oC ••
LM336,B 0oC, +70oC ••
October 1997 1/9
3pF 10kΩ
50kΩ 24kΩ
24kΩ 6.6kΩ
600Ω
30kΩ
ADJ
6.6kΩ
1.1kΩ2kΩ
6pF
SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter LM236 LM336,B Unit
Current
Reverse
Forward
Toper Operating Free-air Temperature Range –25to +85 0to +70 oC
Tstg Storage Temperature Range –65to +150 oC
ELECTRICAL CHARACTERISTICS
LM236 -25oC≤ Tamb≤ +85oC
LM336,B 0oC≤ Tamb≤ +70oC
(unless otherwise specified)
Symbol Parameter LM236 LM336,B UnitMin. Typ. Max. Min. Typ. Max. Reverse Breakdown Voltage
(Tamb= +25oC,IR= 1mA)
LM236, LM336
LM336B
2.44 2.49 2.54 2.39
ΔVR Reverse Breakdown Voltage Change with Current
(400μA≤IR≤ 10mA)
Tamb= +25oC
Tmin.≤ Tamb≤ Tmax.
2.6 Reverse Dynamic Impedance(IR =1mA)
Tamb= +25oC
Tmin.≤ Tamb≤ Tmax.
KVT Temperature Stability (VR= 2.49V,IR= 1mA) 3.5 9 1.8 6 mV
KVH Long Term Stability (Tamb= +25oC ±0.1oC,IR= 1mA) 20
ppm
LM236- LM336,B
2/9
LM236- LM336,B
3/9
APPLICATION HINTS
The LM236, LM336 voltage referencesare easierto
use than zener diodes. Their low impedance and
wide current range facilitate biasingin any circuits.
Besides,the breakdown voltageor thetemperature
coefficientcanbe adjustedsoasto optimizethe per-
formanceof the circuit.
Figure1 representsa LM336 witha 10kΩ potenti-
ometerto adjustthe reversebreakdownvoltagecan adjustedwithout altering the temperature coeffi-
cientof the circuit. The adjustment rangeis gener-
ally sufficientto adjustthe initial toleranceof the cir-
cuit and the inaccuracyof the amplifier circuit. obtaina lower temperaturecoefficienttwodiodes
canbe connectedin seriesas indicatedin Figure2.
When the circuitis adjustedto 2.49V the tempera-
ture coefficientis minimized.
Fora correct temperature coefficient, the diodes
shouldbeat the same ambient temperatureas the
LM336. The valueof R1is not critical (2-20kΩ).
10kΩLM336S
Figure1: The LM336 with Pot for Adjustmentof
BreakdownVoltage
10kΩLM336S
1N4148
1N4148
Figure2: Temperature Coefficient Adjustment
LM236- LM336,B
4/9
LM336
+5V
2.5kΩ
+2.5V
TYPICAL APPLICATIONS
Figure3: 2.5V Reference
+3.5Vto +40V
LM334
68Ω
LM336= +2.5VO
Figure4: Wide Input Range Reference
1.2kΩ
ADJ
LM317
Input Output VO
1N457 R1
375ΩLM336
10kΩ
1N457
2kΩ
Output adjust
Figure5: Precision Power Regulator with Low Temperature Coefficient
+6Vto +40V
20kΩ
100kΩ
560Ω
+5Vto +40V
2N2905
100pF
20kΩ
LM308A
LM336
Figure6: Adjustable Shunt Regulator
LM236- LM336,B
5/9
100pF
LM308A
2.5kΩ 25
2.51%
LM334
35Ω
10kΩ
calibrate 16
LM336
1MΩ/V
100kΩ/V
1kΩ/V
10kΩ/V
Figure7: Linear Ohmmeter
+5V
5kΩ
2kΩ
+2V
LM336
10kΩ
10kΩ
1.25V
5kΩ
-5V
Figure8: Bipolar Output Reference
LM236- LM336,B
6/9

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