參數(shù)資料
型號(hào)： LM4051BIM3-1.2+T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.225 V, PDSO3
封裝： SOT-23, 3 PIN
文件頁(yè)數(shù)： 1/26頁(yè)
文件大?。?/td> 454K
代理商： LM4051BIM3-1.2+T
General Description
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 60A 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.
________________________Applications
Portable, Battery-Powered Equipment
Notebook Computers
Cell Phones
Industrial Process Controls
Features
50ppm/°C (max) Temperature Coefficient
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: 60A to 15mA
Low 28VRMS Output Noise (10Hz to 10kHz)
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
LM4050/LM4051
50ppm/°C Precision Micropower Shunt Voltage
References with Multiple Reverse Breakdown Voltages
________________________________________________________________ Maxim Integrated Products
1
-
1
3
N.C.*
+
LM4050/
LM4051
SC70-3/SOT23-3
TOP VIEW
2
*PIN 3 MUST BE LEFT FLOATING
OR CONNECTED TO PIN 2.
PART
PIN-
PACKAGE
OUTPUT
VOLTAGE (V)
PACKAGE
CODE
LM4050_EM3-2.1
3 SOT 23-3
2.048
U3-1
LM4050_EX3-2.1
3 SC70-3
2.048
X3-2
LM4050_EM3-2.5
3 SOT 23-3
2.500
U3-1
LM4050_EX3-2.5
3 SC70-3
2.500
X3-2
LM4050_ EM3-3.0 3 SOT 23-3
3.000
U3-1
LM4050_EX3-3.0
3 SC70-3
3.000
X3-2
LM4050_EX3-3.3
3 SC70-3
3.300
X3-2
LM4050_EM3-4.1
3 SOT 23-3
4.096
U3-1
LM4050_EX3-4.1
3 SC70-3
4.096
X3-2
LM4050_EM3-5.0
3 SOT 23-3
5.000
U3-1
LM4050_EX3-5.0
3 SC70-3
5.000
X3-2
LM4051_EM3-1.2
3 SOT 23-3
1.225
U3-1
LM4051_EX3-1.2
3 SC70-3
1.225
X3-2
Pin Configuration
Typical Operating Circuit
Selector Guide
19-2563; Rev 3; 3/06
Note: All devices are specified over the -40°C to +125°C oper-
ating temperature range.
Ordering Information appears at end of data sheet.
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.
LM4050/LM4051
ILOAD
ISHUNT
RS
VS
VR
ISHUNT + ILOAD
相關(guān)PDF資料
PDF描述
LM4050BIX3-5.0+T 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 5 V, PDSO3
LM4050BIM3-2.1+T 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.048 V, PDSO3
LM4050BIM3-3.0+T 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 3 V, PDSO3
LM4051CIM3-1.2+T 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.225 V, PDSO3
LM4140B-2.0MWC 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.048 V, UUC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4051BIM3-A/NOPB 制造商:Texas Instruments 功能描述:
LM4051BIM3-ADJ 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel
LM4051BIM3-ADJ 制造商:Texas Instruments 功能描述:IC SM ADJUSTABLE REFERENCE 0.2%
LM4051BIM3-ADJ/NOPB 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel
LM4051BIM3X-1.2 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel
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