|
|
PDF LM4130 Data sheet ( Hoja de datos )
| Número de pieza | LM4130 | |
| Descripción | Precision Micropower Low Dropout Voltage Reference | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de LM4130 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
|
No Preview Available !
November 1999
LM4130
Precision Micropower Low Dropout Voltage Reference
General 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 as-
sembly of die into plastic packages limit the accuracy of ref-
erences 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 pack-
aging are important for cost-critical and space-critical appli-
cations.
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 advan-
tage, 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.
Features
n Small SOT23-5 package
n High output voltage accuracy
0.05%
n Low Temperature Coefficient
10 ppm/˚C
n Stable with capacitive loads to 100µF
n Low dropout voltage
≤275 mV @ 10 mA
n Supply Current
≤75 µA
n Full accuracy
−40˚C to 85˚C
n Extended operation to 125˚C
n Excellent load and line regulation
n Output current
20 mA
n Output impedance
< 1Ω
n Voltage options:
2.048V, 2.500V, and 4.096V
Applications Summary
n Portable, battery powered equipment
n Instrumentation and process control
n Automotive & Industrial
n Test equipment
n Data acquisition systems
n Precision regulators
n Battery chargers
n Base stations
n Communications
n Medical equipment
n Servo systems
Connection Diagram and Pin Configuration
DS101046-1
*Optional, Recommended for improved transient response and
input noise reduction.
(See Application Information)
DS101046-2
Refer to the Ordering Information Table in this Data Sheet for Specific Part
Number
SOT23-5 Surface Mount Package
© 1999 National Semiconductor Corporation DS101046
www.national.com
1 page  
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)
∆VREF/∆VIN
∆VREF/∆ILOAD
∆VREF
VIN - VREF
VN
IS
ISC
Parameter
Conditions
Output Voltage Initial
Accuracy
LM4130-4.096A
LM4130-4.096B
LM4130-4.096C
LM4130-4.096D
LM4130-4.096E
Temperature Coefficient
LM4130A, B
LM4130C, D
LM4130E
Line Regulation
0˚C ≤ TA ≤ +85˚C
−40˚C ≤ TA ≤ +85˚C
ILOAD = 100µA
VREF + 500 mV ≤ VIN ≤ 5.5V
Min
(Note 5)
Load Regulation
0 mA ≤ ILOAD ≤ 20 mA
Long-Term Stability
(Note 7)
Thermal Hysteresis
(Note 8)
Dropout Voltage
(Note 9)
Output Noise Voltage
Supply Current
1000 Hrs
−40˚C ≤ TA ≤ +125˚C
ILOAD = 10 mA
0.1 Hz to 10 Hz
Short Circuit Current
30
Typ
(Note 4)
75
16
50
50
245
50
Max
(Note 5)
±0.05
±0.2
±0.1
±0.4
±0.5
10
20
20
30
Units
%
ppm/˚C
250 ppm/V
400
60 ppm/mA
80
ppm
275 mV
500
µVPP
75 µA
90
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 in-
tended to be functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see Electrical Characteristics. The guar-
anteed 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 di-
rectly 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.
5 www.national.com
5 Page 
Typical Application Circuits
(Continued)
Precision Regulator with Current Limiting Circuit
Low Cost Higher Output
Current Circuit
DS101046-11
Supply Splitter
DS101046-13
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.
11 www.national.com
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LM4130.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| LM4130 | Precision Micropower Low Dropout Voltage Reference | National Semiconductor |
| LM4130 | LM4130 Precision Micropower Low Dropout Voltage Reference (Rev. D) |  Texas Instruments |
| LM4132 | LM4132 LM4132-Q1 SOT-23 Precision Low Dropout Voltage Reference (Rev. F) | Texas Instruments |
| LM4132 | SOT-23 Precision Low Dropout Voltage Reference | National Semiconductor |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |