NSC LM4130EIM5-4.1 Precision micropower low dropout voltage reference Datasheet

LM4130
Precision Micropower Low Dropout Voltage Reference
General Description
Features
The LM4130 family of precision voltage references performs
comparable to the best laser-trimmed bipolar references, but
in cost effective CMOS technology. Key to this break through
is the use of EEPROM registers for correction of curvature,
tempco, and accuracy on a CMOS bandgap architecture that
allows package level programming to overcome assembly
shift. The shifts in voltage accuracy and tempco during assembly of die into plastic packages limit the accuracy of references trimmed with laser techniques.
Unlike other LDO references, the LM4130 requires no output
capacitor. Neither is a buffer amplifier required, even with
loads up to 20mA. These advantages and the SOT23 packaging are important for cost-critical and space-critical applications.
Series references provide lower power consumption than
shunt references, since they don’t have to idle the maximum
possible load current under no load conditions. This advantage, the low quiescent current (75µA), and the low dropout
voltage(275mV) make the LM4130 ideal for battery-powered
solutions.
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The LM4130 is available in five grades (A, B, C, D and E) for
greater flexibility. The best grade devices (A) have an initial
accuracy of 0.05% with guaranteed temperature coefficient
of 10ppm/˚C or less, while the lowest grade parts (E) have
an initial accuracy of 0.5% and a tempco of 30ppm/˚C.
Small SOT23-5 package
High output voltage accuracy
0.05%
Low Temperature Coefficient
10 ppm/˚C
Stable with capacitive loads to 100µF
Low dropout voltage
≤275 mV @ 10 mA
Supply Current
≤75 µA
Full accuracy
−40˚C to 85˚C
Extended operation to 125˚C
Excellent load and line regulation
Output current
20 mA
< 1Ω
Output impedance
Voltage options:
2.048V, 2.500V, and 4.096V
Applications Summary
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Portable, battery powered equipment
Instrumentation and process control
Automotive & Industrial
Test equipment
Data acquisition systems
Precision regulators
Battery chargers
Base stations
Communications
Medical equipment
Servo systems
Connection Diagram and Pin Configuration
DS101046-2
DS101046-1
*Optional, Recommended for improved transient response and
input noise reduction.
(See Application Information)
© 1999 National Semiconductor Corporation
DS101046
Refer to the Ordering Information Table in this Data Sheet for Specific Part
Number
SOT23-5 Surface Mount Package
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LM4130 Precision Micropower Low Dropout Voltage Reference
November 1999
LM4130
Ordering Information
Industrial Temperature Range (−40˚C to + 85˚C)
Initial Output Voltage Accuracy at 25˚C
And Temperature Coefficient
LM4130 Supplied as
1000 Units, Tape and
Reel
LM4130 Supplied as
3000 Units, Tape and
Reel
Part Marking
LM4130AIM5-2.0
LM4130AIM5X-2.0
R02A
LM4130AIM5-2.5
LM4130AIM5X-2.5
R03A
LM4130AIM5-4.1
LM4130AIM5X-4.1
R04A
LM4130BIM5-2.0
LM4130BIM5X-2.0
R02B
LM4130BIM5-2.5
LM4130BIM5X-2.5
R03B
LM4130BIM5-4.1
LM4130BIM5X-4.1
R04B
LM4130CIM5-2.0
LM4130CIM5X-2.0
R02C
LM4130CIM5-2.5
LM4130CIM5X-2.5
R03C
LM4130CIM5-4.1
LM4130CIM5X-4.1
R04C
LM4130DIM5-2.0
LM4130DIM5X-2.0
R02D
LM4130DIM5-2.5
LM4130DIM5X-2.5
R03D
LM4130DIM5-4.1
LM4130DIM5X-4.1
R04D
LM4130EIM5-2.0
LM4130EIM5X-2.0
R02E
LM4130EIM5-2.5
LM4130EIM5X-2.5
R03E
LM4130EIM5-4.1
LM4130EIM5X-4.1
R04E
0.05%, 10 ppm/˚C max (A grade)
0.2%, 10 ppm/˚C max (B grade)
0.1%, 20 ppm/˚C max (C grade)
0.4%, 20 ppm/˚C max (D grade)
0.5%, 30 ppm/˚C max (E grade)
SOT23-5 Package Marking Information
Only four fields of marking are possible on the SOT23-5’s small surface. This
table gives the meaning of the four fields.
Field Information
First Field:
R = Reference
Second and Third Field:
02 = 2.048V Voltage Option
03 = 2.50V Voltage Option
04 = 4.096V Voltage Option
Fourth Field:
A-E = Initial Reference Voltage Tolerance and Temperature Coefficient
A = ± 0.05%, 10ppm/˚C
B = ± 0.2%, 10ppm/˚C
C = ± 0.1%, 20ppm/˚C
D = ± 0.4%, 20ppm/˚C
E = ± 0.5%, 30ppm/˚C
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Lead Temperature:
Soldering, (10 sec.)
Maximum Voltage on any Input
−0.3V to 6V
Output Short-Circuit Duration
Power Dissipation (TA = 25˚C)
Indefinite
+260˚C
Vapor Phase (60 sec.)
+215˚C
Infrared (15 sec.)
+220˚C
Operating Range (Note 1)
350 mW
Storage Temperature Range
(Note 2)
−65˚C to +150˚C
Operating Temperature
Range
ESD Susceptibility (Note 3)
Human Body Model
2 kV
Machine Model
200V
−40˚C to +85˚C
LM4130-2.048
Electrical Characteristics
Unless otherwise specified VCC = 5V, ILOAD = 0, TA = 25˚C. Limits with standard typeface are for TA = 25˚C, and limits in boldface type apply over the operating temperature range.
Symbol
VREF
TCVREF/˚C
(Note 6)
Parameter
Conditions
Min
(Note 5)
Typ
(Note 4)
± 0.05
± 0.2
± 0.1
± 0.4
± 0.5
Temperature Coefficient
LM4130A, B
ppm/˚C
0˚C ≤ TA ≤ +85˚C
−40˚C ≤ TA ≤ +85˚C
10
20
20
LM4130E
Line Regulation
30
ILOAD = 100µA
ppm/V
VREF + 300 mV ≤ VIN ≤ 5.5V
75
VREF + 400 mV ≤ VIN ≤ 5.5V
∆VREF/∆ILOAD
200
350
Load Regulation
0 mA ≤ ILOAD ≤ 20 mA
Long-Term Stability
(Note 7)
1000 Hrs
50
Thermal Hysteresis
(Note 8)
−40˚C ≤ TA ≤ +125˚C
50
VIN - VREF
Dropout Voltage
(Note 9)
ILOAD = 10 mA
VN
Output Noise Voltage
0.1 Hz to 10 Hz
IS
Supply Current
ISC
Short Circuit Current
∆VREF
Units
%
Output Voltage Initial
Accuracy
LM4130A-2.048
LM4130B-2.048
LM4130C-2.048
LM4130D-2.048
LM4130E-2.048
LM4130C, D
∆VREF/∆VIN
Max
(Note 5)
32
60
80
ppm
275
400
125
50
30
3
ppm/mA
mV
µVPP
75
90
µA
60
mA
65
mA
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LM4130
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
LM4130
LM4130-2.500
Electrical Characteristics
Unless otherwise specified VCC = 5V, ILOAD = 0 TA = 25˚C. Limits with standard typeface are for TA = 25˚C, and limits in boldface type apply over the operating temperature range.
Symbol
VREF
TCVREF/˚C
(Note 6)
Parameter
Conditions
Min
(Note 5)
Typ
(Note 4)
± 0.05
± 0.2
± 0.1
± 0.4
± 0.5
Temperature Coefficient
LM4130A, B
ppm/˚C
0˚C ≤ TA ≤ +85˚C
−40˚C ≤ TA ≤ +85˚C
10
20
20
LM4130E
Line Regulation
30
ILOAD = 100µA
ppm/V
VREF + 200 mV ≤ VIN ≤ 5.5V
30
VREF + 400 mV ≤ VIN ≤ 5.5V
∆VREF/∆ILOAD
0 mA ≤ ILOAD ≤ 20 mA
25
Long-Term Stability
(Note 7)
1000 Hrs
50
Thermal Hysteresis
(Note 8)
−40˚C ≤ TA ≤ +125˚C
50
VIN - VREF
Dropout Voltage
(Note 9)
ILOAD = 10 mA
VN
Output Noise Voltage
0.1 Hz to 10 Hz
IS
Supply Current
ISC
Short Circuit Current
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100
150
Load Regulation
∆VREF
Units
%
Output Voltage Initial
Accuracy
LM4130A-2.500
LM4130B-2.500
LM4130C-2.500
LM4130D-2.500
LM4130E-2.500
LM4130C, D
∆VREF/∆VIN
Max
(Note 5)
60
80
ppm
275
400
150
50
30
4
ppm/mA
mV
µVPP
75
90
µA
60
mA
65
mA
LM4130
LM4130-4.096
Electrical Characteristics
Unless otherwise specified VCC = 5.0V, ILOAD = 0 TA = 25˚C. Limits with standard typeface are for TA = 25˚C, and limits in
boldface type apply over the operating temperature range.
Symbol
VREF
TCVREF/˚C
(Note 6)
Parameter
Conditions
Min
(Note 5)
Typ
(Note 4)
Max
(Note 5)
± 0.05
± 0.2
± 0.1
± 0.4
± 0.5
Temperature Coefficient
LM4130A, B
ppm/˚C
0˚C ≤ TA ≤ +85˚C
−40˚C ≤ TA ≤ +85˚C
10
20
LM4130C, D
20
LM4130E
∆VREF/∆VIN
Line Regulation
Units
%
Output Voltage Initial
Accuracy
LM4130-4.096A
LM4130-4.096B
LM4130-4.096C
LM4130-4.096D
LM4130-4.096E
30
ILOAD = 100µA
VREF + 500 mV ≤ VIN ≤ 5.5V
75
250
400
ppm/V
Load Regulation
0 mA ≤ ILOAD ≤ 20 mA
16
60
80
ppm/mA
Long-Term Stability
(Note 7)
1000 Hrs
50
Thermal Hysteresis
(Note 8)
−40˚C ≤ TA ≤ +125˚C
50
VIN - VREF
Dropout Voltage
(Note 9)
ILOAD = 10 mA
VN
Output Noise Voltage
0.1 Hz to 10 Hz
IS
Supply Current
ISC
Short Circuit Current
∆VREF/∆ILOAD
∆VREF
ppm
275
500
245
50
30
mV
µVPP
75
90
µA
60
mA
65
mA
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test
conditions.
Note 2: Without PCB copper enhancements. The maximum power dissipation must be de-rated at elevated temperatures and is limited by TJMAX (maximum junction
temperature), θJ-A (junction to ambient thermal resistance) and TA (ambient temperature). The maximum power dissipation at any temperature is: PDissMAX = (TJMAX
− TA)/θJ-A up to the value listed in the Absolute Maximum Ratings. θJ-A for SOT23-5 package is 220˚C/W, TJMAX = 125˚C.
Note 3: The human body model is a 100 pF capacitor discharged through a 1.5 kΩ resistor into each pin. The machine model is a 200 pF capacitor discharged directly into each pin.
Note 4: Typical numbers are at 25˚C and represent the most likely parametric norm.
Note 5: Limits are 100% production tested at 25˚C. Limits over the operating temperature range are guaranteed through correlation using Statistical Quality Control
(SQC) methods. The limits are used to calculate National’s Average Outgoing Quality Level (AOQL).
Note 6: Temperature coefficient is measured by the ″Box″ method; i.e., the maximum ∆VREF is divided by the maximum ∆T.
Note 7: Long term stability is VREF @ 25˚C measured during 1000 hrs.
Note 8: Thermal hysteresis is defined as the change in +25˚C output voltage before and after cycling the device from −40˚C to 125˚C.
Note 9: Dropout voltage is defined as the minimum input to output differential at which the output voltage drops by 0.5% below the value measured with a 5V input.
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LM4130
LM4130 Typical Performance Characteristics
TA = 25˚C, No Load, VIN = 5.0V, unless other-
wise noted.
Temperature Drift Characteristics
Load Regulation vs Temperature
DS101046-44
Line Regulation vs Load
DS101046-36
Line Regulation vs Temperature
DS101046-31
DS101046-17
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TA = 25˚C, No Load, VIN = 5.0V, unless
Dropout vs Load (VREF = 2.5)
Output Voltage vs Load Current
DS101046-42
DS101046-21
Supply Current vs Temperature
Short Circuit Current vs Temperature
DS101046-29
DS101046-28
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LM4130
LM4130 Typical Performance Characteristics
otherwise noted. (Continued)
LM4130
LM4130 Typical Performance Characteristics
TA = 25˚C, No Load, VIN = 5.0V, unless
otherwise noted. (Continued)
Power-Up Response (2.048V)
Power-Up Response (4.096V)
DS101046-40
Output Impedance
DS101046-34
Power Supply Rejection Ratio
DS101046-22
DS101046-23
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TA = 25˚C, No Load, VIN = 5.0V, unless
Load Transient Response
Line Transient Response
DS101046-25
0.1Hz to 10 Hz Noise (VREF = 2.5V)
DS101046-26
Output Noise Spectra
DS101046-43
DS101046-27
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LM4130
LM4130 Typical Performance Characteristics
otherwise noted. (Continued)
LM4130
Pin Functions
Voltage Reference with Complimentary Output
VREF (Pin 5): Reference Output. The output of the LM4130
can source up to 20 mA. It is stable with output capacitor
ranges from 0 to 100 µF.
VIN (Pin 4):Positive Supply. Bypassing with a 0.1µF capacitor is recommended if the output loading changes or input is
noisy.
Ground (Pin 2):Negative Supply or Ground Connection.
NC (Pins 1, 3):No Connection (internally terminated). These
pins must be left unconnected.
DS101046-6
Application Information
Precision High Current Low Droput Regulator
Output Capacitor
The LM4130 is designed to operate with or without an output
capacitor and is stable with capacitive loads of up to 100µF.
Connecting a capacitor between the output and ground will
significantly improve the load transient response when
switching from a light load to a heavy load. However, the output capacitor should not be made arbitrarily large because it
will effect the turn-on time as well as line and load transients.
Input Capacitor
A small 0.1µF capacitor on the input significantly improves
stability under a wide range of load conditions. With an input
bypass capacitor, the LM4130 will drive any combination of
resistance and capacitance up to VREF/20mA and 100µF respectively.
Noise on the power-supply input can effect the output noise,
but it can be reduced by using an optional bypass capacitor
between the input pin and the ground.
DS101046-7
Precision Voltage Reference
with Force and Sense Output
Printed Circuit Board Layout Consideration
References in SOT packages are generally less prone to assembly stress than devices in Small Outline (SOIC) package.
To minimize the mechanical stress due to PC board mounting that can cause the output voltage to shift from its initial
value, mount the reference on a low flex area of the PC
board, such as near the edge or a corner.
DS101046-9
Typical Application Circuits
Programmable Current Source
Precision High Current Low Droput Regulator
DS101046-10
DS101046-4
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LM4130
Typical Application Circuits
Supply Splitter
(Continued)
Precision Regulator with Current Limiting Circuit
DS101046-13
DS101046-11
Low Cost Higher Output
Current Circuit
DS101046-12
* Select R1 to deliver 80% of typical load current. The LM4130 then will
source as necessary, up to 20mA, to maintain the output regulation. Care
must be taken not to remove the load as the output will be driven to the
rail. This approach will effect line regulation.
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LM4130 Precision Micropower Low Dropout Voltage Reference
Physical Dimensions
inches (millimeters) unless otherwise noted
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