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LM136A-2.5QML/LM136-2.5QML Reference Diode
LM136A-2.5QML
LM136-2.5QML
Reference Diode
General Description
The LM136A-2.5/LM136-2.5 integrated circuit is a precision
2.5V shunt regulator diode. This monolithic IC voltage refer-
ence operates as a low-temperature-coefficient 2.5V zener
with 0.2Ω dynamic impedance. A third terminal on the
LM136-2.5 allows the reference voltage and temperature co-
efficient to be trimmed easily.
The LM136-2.5 is useful as a precision 2.5V low voltage ref-
erence for digital voltmeters, power supplies or op amp cir-
cuitry. The 2.5V make it convenient to obtain a stable
reference from 5V logic supplies. Further, since the
LM136-2.5 operates as a shunt regulator, it can be used as
either a positive or negative voltage reference.
August 17, 2010
Features
■
Available with radiation guarantee
■
■
■
■
■
■
100 krad(Si)
—
Total Ionizing Dose
Low temperature coefficient
Wide operating current of 400
μA
to 10 mA
Guaranteed temperature stability
Easily trimmed for minimum temperature drift
Fast turn-on
3–lead transistor package
Ordering Information
NS Part Number
LM136H-2.5/883
LM136AH-2.5-SMD
LM136AH-2.5/883
LM136AH-2.5RQV
(Note
5)
LM136AH-2.5RLQV
(Note
6)
5962R0050101VXA
100 krad(Si)
5962R0050102VXA
100 krad(Si)
8418003XA
SMD Part Number
NS Package Number
H03H
H03H
H03H
H03H
H03H
Package Description
T0-46, 3LD Metal Can
T0-46, 3LD Metal Can
T0-46, 3LD Metal Can
T0-46, 3LD Metal Can
T0-46, 3LD Metal Can
Connection Diagram
TO-46
Metal Can Package
20139720
Bottom View
See NS Package Number H03H
© 2010 National Semiconductor Corporation
201397
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LM136A-2.5QML/LM136-2.5QML
Schematic Diagram
20139701
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2
LM136A-2.5QML/LM136-2.5QML
Typical Applications
2.5V Reference
20139709
2.5V Reference with Minimum
Temperature Coefficient
20139710
†
Adjust
to 2.490V
*
Any silicon signal diode
Wide Input Range Reference
20139711
3
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LM136A-2.5QML/LM136-2.5QML
Absolute Maximum Ratings
(Note
1)
Reverse Current
Forward Current
Storage Temperature
Operating Temperature Range (Note
2)
Maximum Junction Temperature (T
J
) (Note
2)
Lead Temperature (Soldering 10 seconds)
Thermal Resistance
θ
JA
Still Air Flow
500LF/Min Air Flow
θ
JC
ESD Rating (Note
3)
15 mA
10 mA
−60°C
≤
T
A
≤
+150°C
−55°C
≤
T
A
≤
+125°C
+150°C
300°C
354°C/W
77°C/W
46°C/W
1,000V
Quality Conformance Inspection
Mil-Std-883, Method 5005 - Group A
Subgroup
1
2
3
4
5
6
7
8A
8B
9
10
11
12
13
14
Description
Static tests at
Static tests at
Static tests at
Dynamic tests at
Dynamic tests at
Dynamic tests at
Functional tests at
Functional tests at
Functional tests at
Switching tests at
Switching tests at
Switching tests at
Settling time at
Settling time at
Settling time at
Temp°C
25
125
-55
25
125
-55
25
125
-55
25
125
-55
25
125
-55
LM136-2.5 Electrical Characteristics
DC Parameters
The following conditions apply, unless otherwise specified.
Symbol
I
Adj
Delta V
Z
V
Z
Parameter
Adjust Current
Delta Zener Voltage
Zener Voltage
I
R
= 1mA
Notes
Min
-125
Max
+125
6.0
10
V
Adj
= Open
V
Adj
= 0.7V
V
Adj
= 1.9V
Z
RD
V
Stab
Reverse Dynamic Impedance
Temperature Stability
V
Z
= Adjusted to 2.490V
(Note
4)
2.44
2.42
2.39
2.29
2.49
2.54
2.56
2.49
2.49
2.69
1.0
18
Unit
µA
mV
mV
V
V
V
V
V
Ω
mV
Sub-
groups
1, 2, 3
1
2, 3
1
2, 3
1
2, 3
1, 2, 3
1, 2, 3
2, 3
Conditions
V
Adj
= 0.7V
0.4mA
≤
I
Z
≤
10 mA
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