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LM4128

Part Number	LM4128
Manufacturer	National Semiconductor
Description	SOT-23 Precision Micropower Series Voltage Reference
Published	Mar 21, 2007
Detailed Description	www.DataSheet4U.com LM4128 SOT-23 Precision Micropower Series Voltage Reference November 2006 LM4128 SOT-23 Precision...
Datasheet	LM4128 PDF File

Overview

www.
DataSheet4U.
com LM4128 SOT-23 Precision Micropower Series Voltage Reference November 2006 LM4128 SOT-23 Precision Micropower Series Voltage Reference General 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.
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 Applications ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 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 Typical Application Circuit 20211001 *Note: The capacitor CIN is required and the capacitor COUT is optional.
© 2006 National Semiconductor Corporation 202110 www.
national.
com LM4128 Conne...

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