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參數資料
| 型號： | LM4040CYM3-2.5TR |
| 廠商： | MICREL INC |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PDSO3 |
| 封裝： | LEAD FREE, SOT-23, 3 PIN |
| 文件頁數： | 1/16頁 |
| 文件大小： | 812K |
| 代理商： | LM4040CYM3-2.5TR |
March 2005
1
M9999-031805
LM4040/4041
Micrel, Inc.
LM4040/4041
Precision Micropower Shunt Voltage Reference
General Description
Ideal for space critical applications, the LM4040 and LM4041
precision voltage references are available in the subminiature
(3mm × 1.3mm) SOT-23 surface-mount package.
The LM4040 is the available in xed reverse breakdown
voltages of 2.500V, 4.096V and 5.000V. The LM4041 is avail-
able with a xed 1.225V or an adjustable reverse breakdown
voltage.
The minimum operating current ranges from 60A for the
LM4041-1.2 to 74A for the LM4040-5.0. LM4040 versions
have a maximum operating current of 15mA. LM4041 ver-
sions have a maximum operating current of 12mA.
The LM4040 and LM4041 have bandgap reference tempera-
ture drift curvature correction and low dynamic impedance,
ensuring stable reverse breakdown voltage accuracy over a
wide range of operating temperatures and currents.
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
Features
Small SOT-23 package
No output capacitor required
Tolerates capacitive loads
Fixed reverse breakdown voltages of 1.225, 2.500V,
4.096V and 5.000V
Adjustable reverse breakdown version
Contact Micrel for parts with extended temperature
range.
Key Specications
Output voltage tolerance .............................±0.1% (max)
Low output noise (10Hz to 100Hz)
LM4040................................................. 35VRMS (typ)
LM4041................................................. 20VRMS (typ)
Wide operating current range
LM4040..................................................60A to 15mA
LM4041..................................................60A to 12mA
Industrial temperature range .................. –40°C to +85°C
Low temperature coefcient ................ 100ppm/°C (max)
Applications
Battery-powered equipment
Data acquisition systems
Instrumentation
Process control
Energy management
Product testing
Automotive electronics
Precision audio components
Typical Applications
Figure 2. LM4041 Adjustable
Shunt Regulator Application
Figure 1. LM4040, LM4041 Fixed
Shunt Regulator Application
VO = 1.233 (R2/R1 + 1)
Micrel, Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
VS
RS
VR
IQ + IL
IQ
IL
LM4040
LM4041
VO
VS
LM4041
Adjustable
R1
R2
RS
VO
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM4040CYM3-4.1 | 制造商:Rochester Electronics LLC 功能描述: 制造商:RF Micro Devices Inc 功能描述: |
| LM4040CYM3-4.1 TR | 功能描述:基準電壓& 基準電流 Shunt Voltage Reference, 4.096V, 0.5% accuracy, 100ppm/deg - Lead Free RoHS:否 制造商:STMicroelectronics 產品:Voltage References 拓撲結構:Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度:0.25 % 平均溫度系數（典型值）:100 PPM / C 串聯 VREF - 輸入電壓（最大值）: 串聯 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 |
| LM4040CYM3-4.1-TR | 功能描述:Shunt Voltage Reference IC ±0.5% 15mA TO-236-3, SC-59, SOT-23-3 制造商:microchip technology 系列:- 包裝:剪切帶（CT） 零件狀態:有效 參考類型:分流器 輸出類型:固定 電壓 - 輸出（最小值/固定）:4.096V 電壓 - 輸出（最大值）:- 電流 - 輸出:15mA 容差:±0.5% 溫度系數:100ppm/°C 噪聲 - 0.1Hz 至 10Hz:- 噪聲 - 10Hz 至 10Hz:80μVrms 電壓 - 輸入:- 電流 - 電源:- 電流 - 陰極:73μA 工作溫度:-40°C ~ 85°C（TA） 安裝類型:表面貼裝 封裝/外殼:TO-236-3，SC-59，SOT-23-3 供應商器件封裝:SOT-23-3 標準包裝:1 |
| LM4040CYM3-5.0 | 制造商:RF Micro Devices Inc 功能描述: |
| LM4040CYM3-5.0 TR | 功能描述:基準電壓& 基準電流 Shunt Voltage Reference, 5.0V Reference, accuracy, 0.5% 100ppm/deg - Lead Free RoHS:否 制造商:STMicroelectronics 產品:Voltage References 拓撲結構:Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度:0.25 % 平均溫度系數（典型值）:100 PPM / C 串聯 VREF - 輸入電壓（最大值）: 串聯 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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