LM4050CEX3-2.1+

更新时间： 2024-12-01 13:09:23

品牌	Logo	应用领域
美信 - MAXIM		电源电路参考电压源光电二极管信息通信管理
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13页	246K
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数据手册

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LM4050CEX3-2.1+ 数据手册

19-2563; Rev 4; 5/09

50ppm/°C Precision Micropower Shunt Voltage

References with Multiple Reverse Breakdown Voltages

General Description

Features

♦ 50ppm/°C (max) Temperature Coefficient

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).

Guaranteed over the -40°C to +125°C

Temperature Range

♦ Ultra-Small 3-Pin SC70 Package

♦ 0.1% (max) Initial Accuracy

♦ Wide Operating Current Range: 60µA to 15mA

♦ Low 28µV

Output Noise (10Hz to 10kHz)

RMS

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.

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

5.000V Fixed Reverse Breakdown Voltages

♦ No Output Capacitors Required

♦ Tolerates Capacitive Loads

Selector Guide

OUTPUT

VOLTAGE

(V)

PIN-

PACKAGE

PART

TEMP RANGE

The LM4050/LM4051 specifications are guaranteed

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

LM4050_EM3-2.1+T -40°C to +125°C 3 SOT23-3

LM4050_EX3-2.1+T -40°C to +125°C 3 SC70-3

LM4050_EM3-2.5+T -40°C to +125°C 3 SOT23-3

LM4050_EX3-2.5+T -40°C to +125°C 3 SC70-3

LM4050_EM3-3.0+T -40°C to +125°C 3 SOT23-3

LM4050_EX3-3.0+T -40°C to +125°C 3 SC70-3

LM4050_EX3-3.3+T -40°C to +125°C 3 SC70-3

LM4050_EM3-4.1+T -40°C to +125°C 3 SOT23-3

LM4050_EX3-4.1+T -40°C to +125°C 3 SC70-3

LM4050_EM3-5.0+T -40°C to +125°C 3 SOT23-3

LM4050_EX3-5.0+T -40°C to +125°C 3 SC70-3

LM4051_EM3-1.2+T -40°C to +125°C 3 SOT23-3

LM4051_EX3-1.2+T -40°C to +125°C 3 SC70-3

2.048

2.500

3.000

3.300

4.096

5.000

1.225

________________________Applications

Portable, Battery-Powered Equipment

Notebook Computers

Cell Phones

Industrial Process Controls

Typical Operating Circuit

+Denotes a lead(pb)-free/RoHS-compliant package.

T = Tape and reel.

Ordering Information appears at end of data sheet.

Pin Configuration

+ I

SHUNT LOAD

TOP VIEW

LOAD

N.C.*

SHUNT

LM4050/

LM4051

LM4050

SC70/SOT23

*PIN 3 MUST BE LEFT FLOATING

OR CONNECTED TO PIN 2.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...13

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与LM4050CEX3-2.1+相关器件

型号	品牌	获取价格	描述	数据表
LM4050CEX3-2.1+T	MAXIM	获取价格	50ppm/Â°C Precision Micropower Shunt Voltage
LM4050CEX3-2.1-T	MAXIM	获取价格	50ppm/∑C Precision Micropower Shunt Voltage R
LM4050CEX3-2.5+	MAXIM	获取价格	Two Terminal Voltage Reference, 1 Output, 2.5V, BICMOS, PDSO3, 1.80 X 1.80 MM, EIAJ, SC-70
LM4050CEX3-2.5+T	MAXIM	获取价格	50ppm/°C Precision Micropower Shunt Voltage R
LM4050CEX3-2.5-T	MAXIM	获取价格	50ppm/∑C Precision Micropower Shunt Voltage R
LM4050CEX3-3.0	MAXIM	获取价格	Two Terminal Voltage Reference, 1 Output, 3V, BICMOS, PDSO3, 1.80 X 1.80 MM, EIAJ, SC-70,
LM4050CEX3-3.0+	MAXIM	获取价格	Two Terminal Voltage Reference, 1 Output, 3V, BICMOS, PDSO3, 1.80 X 1.80 MM, EIAJ, SC-70,
LM4050CEX3-3.0+T	MAXIM	获取价格	50ppm/°C Precision Micropower Shunt Voltage R
LM4050CEX3-3.0-T	MAXIM	获取价格	50ppm/∑C Precision Micropower Shunt Voltage R
LM4050CEX3-3.3/V+T	MAXIM	获取价格	Two Terminal Voltage Reference, 3.3V, BICMOS, PDSO3,

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