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LM4050_EX3-41+T

更新时间： 2024-11-01 11:36:23
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50ppmC Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown

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19-2563; Rev 5; 5/11  
50ppm/°C Precision Micropower Shunt Voltage  
References with Multiple Reverse Breakdown Voltages  
/LM4051  
General Description  
Features  
o 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  
o Ultra-Small 3-Pin SC70 Package  
o 0.1% (max) Initial Accuracy  
o Wide Operating Current Range: 60µA to 15mA  
o Low 28µV  
Output Noise (10Hz to 10kHz)  
RMS  
o 1.225V, 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, and  
5.000V Fixed Reverse Breakdown Voltages  
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.  
o No Output Capacitors Required  
o Tolerates Capacitive Loads  
Selector Guide  
OUTPUT  
VOLTAGE  
(V)  
PIN-  
PACKAGE  
PIN  
TEMP RANGE  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
LM4050_EM3-2.1+T  
LM4050_EX3-2.1+T  
LM4050_EM3-2.5+T  
LM4050_EX3-2.5+T  
LM4050_EM3-3.0+T  
LM4050_EX3-3.0+T  
LM4050_EM3-3.3+T  
LM4050_EX3-3.3+T  
LM4050_EX3-3.3/V+T  
LM4050_EM3-4.1+T  
LM4050_EM3-4.1/V+T  
LM4050_EX3-4.1+T  
LM4050_EM3-5.0+T  
LM4050_EM3-5.0/V+T  
LM4050_EX3-5.0+T  
LM4051_EM3-1.2+T  
LM4051_EX3-1.2+T  
3 SOT23  
3 SC70  
3 SOT23  
3 SC70  
3 SOT23  
3 SC70  
3 SOT23  
3 SC70  
3 SC70  
3 SOT23  
3 SOT23  
3 SC70  
3 SOT23  
3 SOT23  
3 SC70  
3 SOT23  
3 SC70  
2.048  
2.048  
2.500  
2.500  
3.000  
3.000  
3.300  
3.300  
3.300  
4.096  
4.096  
4.096  
5.000  
5.000  
5.000  
1.225  
1.225  
The LM4050/LM4051 specifications are guaranteed  
over the temperature range of -40°C to +125°C.  
________________________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.  
/V Denotes an automotive qualified part.  
V
S
Ordering Information appears at end of data sheet.  
I
+ I  
SHUNT LOAD  
Pin Configuration  
R
S
I
LOAD  
TOP VIEW  
V
R
+
1
2
3
N.C.*  
I
SHUNT  
LM4050/  
LM4051  
-
LM4050  
SC70/SOT23  
*PIN 3 MUST BE LEFT UNCONNECTED  
OR CONNECTED TO PIN 2.  
________________________________________________________________ Maxim Integrated Products  
1
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.  
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