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參數資料
| 型號： | LM4051CEM3-1.2/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.225 V, PDSO3 |
| 封裝： | 3 X 1.30 MM, PLASTIC, TO-236AB, SOT-23, SMT-3 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 746K |
| 代理商： | LM4051CEM3-1.2/NOPB |
LM4051
Precision Micropower Shunt Voltage Reference
General Description
Ideal for space critical applications, the LM4051 precision
voltage reference is available in the sub-miniature (3 mm x
1.3 mm) SOT-23 surface-mount package. The LM4051’s ad-
vanced design eliminates the need for an external stabilizing
capacitor while ensuring stability with any capacitive load,
thus making the LM4051 easy to use. Further reducing
design effort is the availability of a fixed (1.225V) and adjust-
able reverse breakdown voltage. The minimum operating
current is 60 A for the LM4051-1.2 and the LM4051-ADJ.
Both versions have a maximum operating current of 12 mA.
The LM4051 comes in three grades (A, B, and C). The best
grade devices (A) have an initial accuracy of 0.1%, while the
B-grade have 0.2% and the C-grade 0.5%, all with a tempco
of 50 ppm/C guaranteed from 40C to 125C.
The LM4051 utilizes fuse and zener-zap trim of reference
voltage during wafer sort to ensure that the prime parts have
an accuracy of better than ±0.1% (A grade) at 25C.
Features
n
Small packages: SOT-23
n
No output capacitor required
n
Tolerates capacitive loads
n
Reverse breakdown voltage options of 1.225V and
adjustable
Key Specifications (LM4051-1.2)
j Output voltage tolerance
(A grade, 25C)
±0.1%(max)
j Low output noise
(10 Hz to 10kHz)
20V
rms
j Wide operating current range
60A to 12mA
j Industrial temperature range
40C to +85C
j Extended temperature range
40C to +125C
j Low temperature coefficient
50 ppm/C (max)
Applications
n
Portable, Battery-Powered Equipment
n
Data Acquisition Systems
n
Instrumentation
n
Process Control
n
Energy Management
n
Automotive and Industrial
n
Precision Audio Components
n
Base Stations
n
Battery Chargers
n
Medical Equipment
n
Communication
Connection Diagrams
SOT-23
10122201
*This pin must be left floating or connected to pin 2.
10122240
Top View
See NS Package Number MF03A
March 2005
LM4051
Precision
Micropower
Shunt
V
oltage
Reference
2005 National Semiconductor Corporation
DS101222
www.national.com
相關PDF資料 |
PDF描述 |
|---|---|
| LM4051CEM3X-1.2/NOPB | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.225 V, PDSO3 |
| LM4051BEM3X-ADJ/NOPB | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.212 V, PDSO3 |
| LM4051AEM3-1.2/NOPB | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.225 V, PDSO3 |
| LM431ACMD-T | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.495 V, PDSO8 |
| TL431AID5 | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PDSO5 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LM4051CEM3-ADJ/NOPB | 功能描述:IC VREF SHUNT PREC ADJ SOT-23-3 RoHS:是 類別:集成電路 (IC) >> PMIC - 電壓基準 系列:- 標準包裝:1 系列:- 基準類型:串聯，精度 輸出電壓:4.5V 容差:±800µV 溫度系數:1ppm/°C 輸入電壓:13.5 V ~ 22 V 通道數:1 電流 - 陰極:- 電流 - 靜態:7mA 電流 - 輸出:10mA 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:20-LCC 供應商設備封裝:20-CLCC 包裝:管件 |
| LM4051CEM3X-1.2/NOPB | 功能描述:IC VREF SHUNT PREC 1.225V SOT23 RoHS:是 類別:集成電路 (IC) >> PMIC - 電壓基準 系列:- 標準包裝:3,000 系列:- 基準類型:旁路，精度 輸出電壓:5V 容差:±0.5% 溫度系數:100ppm/°C 輸入電壓:- 通道數:1 電流 - 陰極:80µA 電流 - 靜態:- 電流 - 輸出:15mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:TO-236-3，SC-59，SOT-23-3 供應商設備封裝:SOT-23-3 包裝:帶卷 (TR) 其它名稱:LM4040CIM3-5.0MLTRLM4040CIM3-5.0MLTR-ND |
| LM4051CEM3X-ADJ/NOPB | 功能描述:IC VREF SHUNT PREC ADJ SOT-23-3 RoHS:是 類別:集成電路 (IC) >> PMIC - 電壓基準 系列:- 標準包裝:3,000 系列:- 基準類型:旁路，精度 輸出電壓:5V 容差:±0.5% 溫度系數:100ppm/°C 輸入電壓:- 通道數:1 電流 - 陰極:80µA 電流 - 靜態:- 電流 - 輸出:15mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:TO-236-3，SC-59，SOT-23-3 供應商設備封裝:SOT-23-3 包裝:帶卷 (TR) 其它名稱:LM4040CIM3-5.0MLTRLM4040CIM3-5.0MLTR-ND |
| LM4051CEX3-1.2 | 制造商:Maxim Integrated Products 功能描述:50PPM/+C PRECISION MICROPOWER SHUNT - Rail/Tube |
| LM4051CEX3-1.2+ | 制造商:Maxim Integrated Products 功能描述:V-REF PRECISION 1.225V 15MA 3PIN SC-70 - Cut Tape Product |
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