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LMV431BIMFX/NOPB PDF预览

LMV431BIMFX/NOPB

更新时间: 2024-11-29 20:14:59
品牌 Logo 应用领域
美国国家半导体 - NSC 光电二极管输出元件
页数 文件大小 规格书
16页 931K
描述
IC 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.24 V, PDSO3, SOT-23, 3 PIN, Voltage Reference

LMV431BIMFX/NOPB 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:TSSOP, TO-236Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.23其他特性:OUTPUT VOLTAGE ADJUSTABLE FROM 1.24V TO 30V
模拟集成电路 - 其他类型:TWO TERMINAL VOLTAGE REFERENCEJESD-30 代码:R-PDSO-G3
JESD-609代码:e3长度:2.92 mm
湿度敏感等级:1功能数量:1
输出次数:1端子数量:3
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:0.015 A最大输出电压:1.259 V
最小输出电压:1.224 V标称输出电压:1.24 V
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TO-236封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.12 mm
子类别:Voltage References最大供电电压 (Vsup):30 V
最小供电电压 (Vsup):1.24 V标称供电电压 (Vsup):6 V
表面贴装:YES技术:BIPOLAR
最大电压温度系数:129.032 ppm/ °C温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.95 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40微调/可调输出:YES
宽度:1.3 mmBase Number Matches:1

LMV431BIMFX/NOPB 数据手册

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May 2005  
LMV431/LMV431A/LMV431B  
Low-Voltage (1.24V) Adjustable Precision Shunt  
Regulators  
General Description  
Features  
n Low Voltage Operation/Wide Adjust Range (1.24V/30V)  
n 0.5% Initial Tolerance (LMV431B)  
n Temperature Compensated for Industrial Temperature  
Range (39 PPM/˚C for the LMV431AI)  
n Low Operation Current (55µA)  
The LMV431, LMV431A and LMV431B are precision 1.24V  
shunt regulators capable of adjustment to 30V. Negative  
feedback from the cathode to the adjust pin controls the  
cathode voltage, much like a non-inverting op amp configu-  
ration (Refer to Symbol and Functional diagrams). A two  
resistor voltage divider terminated at the adjust pin controls  
the gain of a 1.24V band-gap reference. Shorting the cath-  
ode to the adjust pin (voltage follower) provides a cathode  
voltage of a 1.24V.  
n Low Output Impedance (0.25)  
n Fast Turn-On Response  
n Low Cost  
The LMV431, LMV431A and LMV431B have respective ini-  
tial tolerances of 1.5%, 1% and 0.5%, and functionally lends  
themselves to several applications that require zener diode  
type performance at low voltages. Applications include a 3V  
to 2.7V low drop-out regulator, an error amplifier in a 3V  
off-line switching regulator and even as a voltage detector.  
These parts are typically stable with capacitive loads greater  
than 10nF and less than 50pF.  
Applications  
n Shunt Regulator  
n Series Regulator  
n Current Source or Sink  
n Voltage Monitor  
n Error Amplifier  
n 3V Off-Line Switching Regulator  
n Low Dropout N-Channel Series Regulator  
The LMV431, LMV431A and LMV431B provide performance  
at a competitive price.  
Connection Diagrams  
TO92: Plastic Package  
SOT23-3  
10095801  
Top View  
10095867  
SOT23-5  
Top View  
10095844  
*
*
Pin 1 is not internally connected.  
Pin 2 is internally connected to Anode pin. Pin 2 should be either floating  
or connected to Anode pin.  
Top View  
© 2005 National Semiconductor Corporation  
DS100958  
www.national.com  

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