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LM4125

National Semiconductor
Part Number LM4125
Manufacturer National Semiconductor
Description Precision Micropower Low Dropout Voltage Reference
Published Sep 13, 2015
Detailed Description LM4125 Precision Micropower Low Dropout Voltage Reference November 2003 LM4125 Precision Micropower Low Dropout Volta...
Datasheet PDF File LM4125 PDF File

LM4125
LM4125

Overview
LM4125 Precision Micropower Low Dropout Voltage Reference November 2003 LM4125 Precision Micropower Low Dropout Voltage Reference General Description The LM4125 is a precision low power low dropout bandgap voltage reference with up to 5 mA output current source and sink capability.
This series reference operates with input voltages as low as 2V and up to 6V consuming 160 µA (Typ.
) supply current.
In power down mode, device current drops to less than 2 µA.
The LM4125 comes in two grades (A and Standard) and three voltage options for greater flexibility.
The best grade devices (A) have an initial accuracy of 0.
2%, while the standard have an initial accuracy of 0.
5%, both with a tempco of 50ppm/˚C guaranteed from −40˚C to +125˚C.
The very low dropout voltage, low supply current and powerdown capability of the LM4125 makes this product an ideal choice for battery powered and portable applications.
The device performance is guaranteed over the industrial temperature range (−40˚C to +85˚C), while certain specs are guaranteed over the extended temperature range (−40˚C to +125˚C).
Please contact National for full specifications over the extended temperature range.
The LM4125 is available in a standard 5-pin SOT-23 package.
Features n Small SOT23-5 package n Low dropout voltage: 120 mV Typ @ 1 mA n High output voltage accuracy: 0.
2% n Source and Sink current output: ±5 mA n Supply current: 160 µA Typ.
n Low Temperature Coefficient: 50 ppm/˚C n Fixed output voltages: 2.
048, 2.
5,and 4.
096 n Industrial temperature Range: −40˚C to +85˚C n (For extended temperature range, −40˚C to 125˚C, contact National Semiconductor) Applications 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 Connection Diagram 20069802 Refer to the Ordering Information Table in this Data Sheet f...


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