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LM236DT

P1-P3P4-P6P7-P9P10-P12P13-P15
May 2007 Rev 3 1/15
15
LM236-LM336
2.5V voltage references
Features
● Low temperature coefficient
● Wide operating current of 400µA to 10mA
● 0.2Ω dynamic impedance
● Guaranteed temperature stability
● Fast turn-on
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.
TO92
(Plastic package)
SO8
(Plastic micropackage)
ADJ
v+
v-
TO92
(Bottom view)
8765
1234
V+ NC
ADJ
NC
NC
V+
NC
NC
SO8
(Top view)
Pin connections
1- NC
2- NC
3- NC
4- V-
5- ADJ
6- NC
7- NC
8- V+
www.st.com
Obsolete Product(s) - Obsolete Product(s)
Schematic diagram LM236-LM336
2/15
1 Schematic diagram
Figure 1. Schematic diagram
2 Absolute maximum ratings
Table 1. Absolute maximum ratings (AMR)
Symbol Parameter LM236 LM336,B Unit
I
R
I
F
Current
Reverse
Forward
15
10
mA
T
oper
Operating free-air temperature range -25 to +85 0 to +70 °C
T
stg
Storage temperature range -65 to +150 °C
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LM236-LM336 Electrical characteristics
3/15
3 Electrical characteristics
Table 2. Electrical characteristics
Symbol Parameter
LM236 LM336,B
Unit
Min. Typ. Max. Min. Typ. Max.
V
R
Reference breakdown voltage
T
amb
= +25°C, I
R
= 1mA
LM236, LM336
LM336B
2.44 2.49 2.54 2.39
2.44
2.49
2.49
2.59
2.54
V
ΔV
R
Reverse breakdown voltage change with current
400µA ≤ I
R
≤ 10mA
T
amb
= +25°C
T
min
≤ T
amb
≤ T
max
2.6
3
6
10
2.6
3
10
12
mV
Z
D
Reverse dynamic impedance (I
R
= 1mA)
T
amb
= +25°C
T
min
≤ T
amb
≤ T
max
0.2
0.4
0.6
1
0.2
0.4
1
1.4
Ω
K
VT
Temperature stability (V
R
= 2.49V, I
R
= 1mA) 3.5 9 1.8 6 mV
K
VH
Long term stability (T
amb
= +25°C ±0.1°C, I
R
= 1mA) 20 20 ppm
Figure 2. Reverse voltage change Figure 3. Zener noise voltage
Reverse voltage change (mV)
Reverse current (mA)
Noise (nV/√Hz)
Frequency (Hz)
Obsolete Product(s) - Obsolete Product(s)
P1-P3P4-P6P7-P9P10-P12P13-P15

LM236DT

Mfr. #:
Buy LM236DT
Manufacturer:
STMicroelectronics
Description:
Voltage References 2.5 Volt Precision
Lifecycle:
New from this manufacturer.
Delivery:
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Payment:
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