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參數資料
| 型號： | LM4128DMFX-2.5 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | SOT-23 Precision Micropower Series Voltage Reference |
| 中文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數： | 1/16頁 |
| 文件大小： | 280K |
| 代理商： | LM4128DMFX-2.5 |
November 2006
LM4128
SOT-23 Precision Micropower Series Voltage Reference
General Description
Ideal for space critical applications, the LM4128 precision
voltage reference is available in the SOT-23 surface-mount
package. The LM4128’s advanced design eliminates the
need for an external stabilizing capacitor while ensuring sta-
bility with capacitive loads up to 10 μF, thus making the
LM4128 easy to use.
Series references provide lower power consumption than
shunt references, since they do not have to idle the maximum
possible load current under no load conditions. This advan-
tage, the low quiescent current (60 μA), and the low dropout
voltage (400 mV) make the LM4128 ideal for battery-powered
solutions.
The LM4128 is available in four grades (A, B, C, and D) for
greater flexibility. The best grade devices (A) have an initial
accuracy of 0.1% with guaranteed temperature coefficient of
75 ppm/°C or less, while the lowest grade parts (D) have an
initial accuracy of 1.0% and a tempco of 100 ppm/°C.
Features
■
Output voltage initial accuracy 0.1%
■
Low temperature coefficient 75 ppm/°C
■
Low Supply Current, 60 μA
■
Enable pin allowing a 3 μA shutdown mode
■
Up to 20 mA output current
■
Voltage options 1.8V, 2.048V, 2.5V, 3.0V, 3.3V, 4.096V
■
Custom voltage options available (1.8V to 4.096V)
■
V
IN
range of V
REF
+ 400 mV to 5.5V @10 mA
■
Stable with low ESR ceramic capacitors
■
SOT23-5 Package
■
40°C to 125°C junction temperature range
Applications
■
Instrumentation & Process Control
■
Test Equipment
■
Data Acquisition Systems
■
Base Stations
■
Servo Systems
■
Portable, Battery Powered Equipment
■
Automotive & Industrial
■
Precision Regulators
■
Battery Chargers
■
Communications
■
Medical Equipment
Typical Application Circuit
20211001
*Note: The capacitor C
IN
is required and the capacitor C
OUT
is optional.
2006 National Semiconductor Corporation
202110
www.national.com
L
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM4128DMFX-3.0 | 功能描述:基準電壓& 基準電流 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 |
| LM4128DMFX-3.0/NOPB | 功能描述:基準電壓& 基準電流 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 |
| LM4128DMFX-3.3 | 功能描述:基準電壓& 基準電流 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 |
| LM4128DMFX-3.3/NOPB | 功能描述:基準電壓& 基準電流 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 |
| LM4128DMFX-4.1 | 功能描述:基準電壓& 基準電流 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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