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National Semiconductor
National Semiconductor

LM236-5.0 Datasheet

5.0V Reference Diode


LM236-5.0 Datasheet Preview


September 2003
LM136-5.0/LM236-5.0/LM336-5.0
5.0V Reference Diode
General Description
The LM136-5.0/LM236-5.0/LM336-5.0 integrated circuits are
precision 5.0V shunt regulator diodes. These monolithic IC
voltage references operate as a low temperature coefficient
5.0V zener with 0.6dynamic impedance. A third terminal
on the LM136-5.0 allows the reference voltage and tempera-
ture coefficient to be trimmed easily.
The LM136-5.0 series is useful as a precision 5.0V low
voltage reference for digital voltmeters, power supplies or op
amp circuitry. The 5.0V makes it convenient to obtain a
stable reference from low voltage supplies. Further, since
the LM136-5.0 operates as a shunt regulator, it can be used
as either a positive or negative voltage reference.
The LM136-5.0 is rated for operation over −55˚C to +125˚C
while the LM236-5.0 is rated over a −25˚C to +85˚C tem-
perature range. The LM336-5.0 is rated for operation over a
0˚C to +70˚C temperature range. See the connection dia-
grams for available packages. For applications requiring
2.5V see LM136-2.5.
Features
n Adjustable 4V to 6V
n Low temperature coefficient
n Wide operating current of 600 µA to 10 mA
n 0.6dynamic impedance
n ± 1% initial tolerance available
n Guaranteed temperature stability
n Easily trimmed for minimum temperature drift
n Fast turn-on
n Three lead transistor package
Connection Diagrams
TO-92
Plastic Package
SO Package
00571604
Bottom View
Order Number LM336Z-5.0 or LM336BZ-5.0
See NS Package Number Z03A
TO-46
Metal Can Package
00571607
Order Number LM336M-5.0 or LM336BM-5.0
See NS Package Number M08A
00571605
Bottom View
Order Number LM136H-5.0,
LM136H-5.0/883, LM236H-5.0,
LM136AH-5.0, LM136AH-5.0/883,
or LM236AH-5.0
See NS Package Number H03H
© 2003 National Semiconductor Corporation DS005716
www.national.com
Page 1

Typical Applications
5.0V Reference
Trimmed 4V to 6V Reference
with Temperature Coefficient
Independent of Breakdown Voltage
00571601
5.0V Reference with Minimum
Temperature Coefficient
* Does not affect temperature coefficient
00571603
Adjust to 5.00V
* Any silicon signal diode
00571615
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Page 2

Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Reverse Current
15mA
Forward Current
10mA
Storage Temperature
−60˚C to +150˚C
Operating Temperature Range (Note 2)
LM136-5.0
−55˚C to +150˚C
LM236-5.0
−25˚C to +85˚C
LM336-5.0
Soldering Information
TO-92 Package (10 sec.)
TO-46 Package (10 sec.)
SO Package
Vapor Phase (60 sec.)
Infrared (15 sec.)
0˚C to +70˚C
260˚C
300˚C
215˚C
220˚C
See AN-450 “Surface Mounting Methods and Their Effect on
Product Reliability” (appendix D) for other methods of sol-
dering surface mount devices.
Electrical Characteristics
(Note 3)
Parameter
Conditions
Reverse Breakdown Voltage
Reverse Breakdown Change
With Current
Reverse Dynamic Impedance
Temperature Stability
(Note 4)
Reverse Breakdown Change
With Current
Adjustment Range
Reverse Dynamic Impedance
Long Term Stability
TA=25˚C, IR=1 mA
LM136-5.0/LM236-5.0/LM336-5.0
LM136A-5.0/LM236A-5.0, LM336B-5.0
TA=25˚C,
600 µAIR10 mA
TA=25˚C, IR=1 mA, f = 100 Hz
VR Adjusted 5.00V
IR=1 mA, (Figure 2)
0˚CTA70˚C (LM336-5.0)
−25˚CTA+85˚C (LM236-5.0)
−55˚CTA+125˚C (LM136-5.0)
600 µAIR10 mA
Circuit of Figure 1
IR = 1 mA
TA=25˚C±0.1˚C, IR=1 mA, t = 1000 hrs
LM136A-5.0/LM236A-5.0
LM136-5.0/LM236-5.0
Min Typ Max
LM336B-5.0
LM336-5.0
Min Typ Max
Units
4.9 5.00 5.1 4.8 5.00 5.2 V
4.95 5.00 5.05 4.90 5.00 5.1 V
6 12
6 20 mV
0.6 1.2
0.6 2
7 18
20 36
6 17
±1
0.8 1.6
20
4 12 mV
mV
mV
6 24 mV
±1 V
0.8 2.5
20 ppm
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device
beyond its specified operating conditions.
Note 2: For elevated temperature operation, Tj max is:
LM136 150˚C
LM236 125˚C
LM336 100˚C
Thermal Resistance
θja (Junction to Ambient)
θja (Junction to Case)
TO-92
180˚C/W (0.4" Leads)
170˚C/W (0.125"
Leads)
N/A
TO-46 SO-8
440˚C/W 165˚C/W
80˚C/W N/A
Note 3: Unless otherwise specified, the LM136-5.0 is specified from −55˚CTA+125˚C, the LM236-5.0 from −25˚CTA+85˚C and the LM336-5.0 from
0˚CTA+70˚C.
Note 4: Temperature stability for the LM336 and LM236 family is guaranteed by design. Design limits are guaranteed (but not 100% percent production tested) over
the indicated temperature and supply voltage ranges. These limits are not used to calculate outgoing quality levels. Stability is defined as the maximum charge in
VREF from 25˚C to TA(min) or TA(max).
3 www.national.com
Page 3

Typical Performance Characteristics
Reverse Voltage Change
Zener Noise Voltage
00571617
Dynamic Impedance
Response Time
00571618
00571619
Reverse Characteristics
00571620
Temperature Drift
00571621
00571622
www.national.com
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Page 4
Part Number LM236-5.0
Manufactur National Semiconductor
Description 5.0V Reference Diode
Total Page 12 Pages
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