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LM4128

Features: Output voltage initial accuracy 0.1% Low temperature coefficient 75 ppm/°C Low Supply Current, 60 µA Enable pin allowing a 3 µA shutdown mode Up to 20 mA output current Voltage options 1.8V, 2.048V, 2.5V, 3.0V, 3.3V, 4.096V Custom voltage options available (1.8V to 4.096V) V...

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SeekIC No. : 004395687 Detail

LM4128: Features: Output voltage initial accuracy 0.1% Low temperature coefficient 75 ppm/°C Low Supply Current, 60 µA Enable pin allowing a 3 µA shutdown mode Up to 20 mA output current Voltag...

LM4128 Data Sheet

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Part Number:
LM4128
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



Features:

Output voltage initial accuracy 0.1%
Low temperature coefficient 75 ppm/°C
Low Supply Current, 60 µA
Enable pin allowing a 3 µA shutdown mode
Up to 20 mA output current
Voltage options 1.8V, 2.048V, 2.5V, 3.0V, 3.3V, 4.096V
Custom voltage options available (1.8V to 4.096V)
VIN range of VREF + 400 mV to 5.5V @10 mA
Stable with low ESR ceramic capacitors
SOT23-5 Package
−40°C to 125°C junction temperature range




Application

Instrumentation & Process Control
Test Equipment
Data Acquisition Systems
Base Stations
Servo Systems
Portable, Battery Powered Equipment
Automotive & Industrial
Precision Regulators
Battery Chargers
Communications
Medical Equipment




Pinout

Connection Diagram




Specifications

Maximum Voltage on any input -0.3 to 6V
Output short circuit duration Indefinite
Power Dissipation (TA = 25°C)
(Note 2) 350 mW
Storage Temperature Range −65°C to 150°C
Lead Temperature (soldering, 10sec) 260°C
Vapor Phase (60 sec) 215°C
Infrared (15sec) 220°C
ESD Susceptibility (Note 3)
Human Body Model 2 kV

Initial Accuracy (+/-) Max 0.2, 1, 0.1, 0.5 %
Reference Voltage 1.8 V, 2.5 V, 3 V, 4.096 V, 2.048 V, 1.024 V, 3.3 V
Tempco, max (ppm/C) 100, 75 ppm
Input Min Voltage 3.4, 4.496, 3.7, 2.2, 2.448, 2.9 Volt
Input Max Voltage 5.5 Volt
Dropout Voltage 0.4 Volt
Quiescent Current 0.06, 0.1 mA
Output Current 20 mA
Voltage Noise (rms) 170 uV
Long Term Stability (ppm/1000hr) 50 ppm
Temperature Min -40 deg C
Temperature Max 125 deg C
AEC Q-100 Automotive Grade 1
Automotive Selection Guide Yes
PowerWise No, Yes
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Description

Ideal for space critical applications, the LM4128 precision voltage reference is available in the SOT-23 surface-mount package. The LM4128's advanced design eliminates the need for an external stabilizing capacitor while ensuring stability with capacitive loads up to 10 µF, thus making the LM4128 easy to use.

Series references provide lower power consumption than shunt references, since they do not have to idle the maximum possible load current under no load conditions. This advantage, the low quiescent current (60 µA), and the low dropout voltage (400 mV) make the LM4128 ideal for battery-powered solutions.

The LM4128 is available in four grades (A, B, C, and D) for greater flexibility. The best grade devices (A) have an initial accuracy of 0.1% with guaranteed temperature coefficient of 75 ppm/°C or less, while the lowest grade parts (D) have an initial accuracy of 1.0% and a tempco of 100 ppm/°C.






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