LM4050AEM3-2.5T Maxim Integrated Products, LM4050AEM3-2.5T Datasheet

LM4050AEM3-2.5T

Manufacturer Part Number

LM4050AEM3-2.5T

Description

Manufacturer

Maxim Integrated Products

Datasheet

1.LM4050AEM3-2.5T.pdf (14 pages)

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The LM4050/LM4051 are precision two-terminal, shunt-

mode, bandgap voltage references available in fixed

reverse breakdown voltages of 1.225V, 2.048V, 2.500V,

3.000V, 3.3V, 4.096V, and 5.000V. Ideal for space-criti-

cal applications, the LM4050/LM4051 are offered in the

subminiature 3-pin SC70 surface-mount packages

(1.8mm x 1.8mm), 50% smaller than comparable

devices in SOT23 surface-mount package (SOT23 ver-

sions are also available).

Laser-trimmed resistors ensure excellent initial

accuracy. With a 50ppm/°C temperature coefficient,

these devices are offered in three grades of initial accu-

racy ranging from 0.1% to 0.5%. The LM4050/LM4051

have a 60µA to 15mA shunt-current capability with low

dynamic impedance, ensuring stable reverse break-

down voltage accuracy over a wide range of operating

temperatures and currents. The LM4050/LM4051 do

not require an external stabilizing capacitor while

ensuring stability with any capacitive loads.

The LM4050/LM4051 specifications are guaranteed

over the temperature range of -40°C to +125°C.

19-2563; Rev 3; 3/06

________________________Applications

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

References with Multiple Reverse Breakdown Voltages

Portable, Battery-Powered Equipment

Notebook Computers

Cell Phones

Industrial Process Controls

Typical Operating Circuit

SHUNT

________________________________________________________________ Maxim Integrated Products

50ppm/°C Precision Micropower Shunt Voltage

General Description

LM4050/LM4051

SHUNT

LOAD

+ I

LOAD

♦ 50ppm/°C (max) Temperature Coefficient

♦ Ultra-Small 3-Pin SC70 Package

♦ 0.1% (max) Initial Accuracy

♦ Wide Operating Current Range: 60µA to 15mA

♦ Low 28µV

♦ 1.225V, 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, and

♦ No Output Capacitors Required

♦ Tolerates Capacitive Loads

Note: All devices are specified over the -40°C to +125°C oper-

ating temperature range.

Ordering Information appears at end of data sheet.

LM4050_EM3-2.1

LM4050_EX3-2.1

LM4050_EM3-2.5

LM4050_EX3-2.5

LM4050_ EM3-3.0 3 SOT 23-3

LM4050_EX3-3.0

LM4050_EX3-3.3

LM4050_EM3-4.1

LM4050_EX3-4.1

LM4050_EM3-5.0

LM4050_EX3-5.0

LM4051_EM3-1.2

LM4051_EX3-1.2

Guaranteed over the -40°C to +125°C

Temperature Range

5.000V Fixed Reverse Breakdown Voltages

TOP VIEW

PART

RMS

Output Noise (10Hz to 10kHz)

PIN-

PACKAGE

3 SOT 23-3

3 SC70-3

3 SOT 23-3

3 SC70-3

3 SOT 23-3

3 SC70-3

3 SOT 23-3

3 SC70-3

3 SOT 23-3

3 SC70-3

*PIN 3 MUST BE LEFT FLOATING

OR CONNECTED TO PIN 2.

SC70-3/SOT23-3

LM4050/

LM4051

Pin Configuration

VOLTAGE (V)

Selector Guide

OUTPUT

2.048

2.500

3.000

3.300

4.096

5.000

1.225

N.C.*

Features

PACKAGE

CODE

U3-1

X3-2

Related parts for LM4050AEM3-2.5T

LM4050AEM3-2.5T Summary of contents

Page 1

... S I LOAD I SHUNT LM4050/LM4051 ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. ♦ 50ppm/°C (max) Temperature Coefficient Guaranteed over the -40°C to +125°C Temperature Range ♦ Ultra-Small 3-Pin SC70 Package ♦ ...

Page 2

Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages ABSOLUTE MAXIMUM RATINGS Reverse Current (cathode to anode) ..................................20mA Forward Current (anode to cathode) ..................................10mA Continuous Power Dissipation (T = +70°C) A 3-Pin SC70 (derate 2.17mW/°C above +70°C) ............174mW ...

Page 3

Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages ELECTRICAL CHARACTERISTICS—2.048V (I = 100µ unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL Reverse Breakdown Voltage V ...

Page 4

Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages ELECTRICAL CHARACTERISTICS—2.500V (I = 100µ unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL Reverse Breakdown Voltage V ...

Page 5

Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages ELECTRICAL CHARACTERISTICS—3.000V (I = 100µ unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL Reverse Breakdown Voltage V ...

Page 6

Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages ELECTRICAL CHARACTERISTICS—4.096V (I = 100µ unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL Reverse Breakdown Voltage V ...

Page 7

Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages ELECTRICAL CHARACTERISTICS—5.000V (I = 100µ unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL Reverse Breakdown Voltage V ...

Page 8

Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages (I = 100µA, SC70-3 package +25°C, unless otherwise noted REVERSE CHARACTERISTICS AND MINIMUM OPERATING CURRENT 6 LM4050_I_3-5.0 LM4050_I_3-4 LM4050_I_3-3 LM4050_I_3-2.5 1 ...

Page 9

Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages (I = 100µA, SC70-3 package +25°C, unless otherwise noted LM4050-2.5V LOAD-TRANSIENT RESPONSE LM4050 toc06 +25µA -25µA 2mV/div 10µs/div CH1: V 2V/div GEN CH2: V AC-COUPLED ...

Page 10

Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages (I = 100µA, SC70-3 package +25°C, unless otherwise noted LM4050-2.5V STARTUP CHARACTERISTICS LM4050 toc12 30kΩ ...

Page 11

Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages PIN NAME 1 + Positive Terminal of the Shunt Reference − 2 Negative Terminal of the Shunt Reference 3 N.C. No connection. Leave this pin unconnected or connected to ...

Page 12

... LM4050CEX3-3.0-T 3.000 LM4050AEX3-3.3-T 3.300 LM4050BEX3-3.3-T 3.300 LM4050CEX3-3.3-T 3.300 LM4050AEM3-4.1-T 4.096 LM4050AEX3-4.1-T 4.096 LM4050BEM3-4.1-T 4.096 LM4050BEX3-4.1-T 4.096 LM4050CEM3-4.1-T 4.096 LM4050CEX3-4.1-T 4.096 LM4050AEM3-5.0-T 5.000 LM4050AEX3-5.0-T 5.000 LM4050BEM3-5.0-T 5.000 LM4050BEX3-5.0-T 5.000 LM4050CEM3-5.0-T 5.000 LM4050CEX3-5.0-T 5.000 LM4051AEM3-1.2-T 1.225 LM4051AEX3-1.2-T 1.225 LM4051BEM3-1.2-T 1.225 LM4051BEX3-1.2-T 1.225 LM4051CEM3-1.2-T 1 ...

Page 13

Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) ______________________________________________________________________________________ Package Information 13 ...

Page 14

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 14 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2006 Maxim Integrated Products ...

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