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LM4130 Datasheet Preview

LM4130 Datasheet

Precision Micropower Low Dropout Voltage Reference

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OBSOLETE
LM4130
www.ti.com
SNVS048C – MAY 2004 – REVISED SEPTEMBER 2011
LM4130 Precision Micropower Low Dropout Voltage Reference
Check for Samples: LM4130
FEATURES
1
2 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
• Output impedance < 1
• Voltage options: 2.500V and 4.096V
APPLICATIONS SUMMARY
• 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
DESCRIPTION
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.
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.
Connection Diagram and Pin Configuration
*Optional, Recommended for improved transient response and
input noise reduction.
(See Application Information)
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2004–2011, Texas Instruments Incorporated




etcTI

LM4130 Datasheet Preview

LM4130 Datasheet

Precision Micropower Low Dropout Voltage Reference

No Preview Available !

LM4130
SNVS048C – MAY 2004 – REVISED SEPTEMBER 2011
OBSOLETE
www.ti.com
Refer to the Ordering Information Table in this Data Sheet for Specific Part Number
Figure 1. SOT23-5 Surface Mount Package
Table 1. SOT23-5 Package Marking InformationOnly 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:
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
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings (1)
Maximum Voltage on any Input
Output Short-Circuit Duration
Power Dissipation (TA = 25°C)
(2)
ESD Susceptibility (3)
Human Body Model
Machine Model
Lead Temperature:
Soldering, (10 sec.)
Vapor Phase (60 sec.)
Infrared (15 sec.)
0.3V to 6V
Indefinite
350 mW
2 kV
200V
+260°C
+215°C
+220°C
(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.
(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.
(3) The human body model is a 100 pF capacitor discharged through a 1.5 kresistor into each pin. The machine model is a 200 pF
capacitor discharged directly into each pin.
2
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Product Folder Links: LM4130
Copyright © 2004–2011, Texas Instruments Incorporated



Part Number LM4130
Description Precision Micropower Low Dropout Voltage Reference
Maker etcTI
Total Page 3 Pages
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