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LM385BXZ-1.2 PDF预览

LM385BXZ-1.2

更新时间: 2024-01-13 20:33:00
品牌 Logo 应用领域
美国国家半导体 - NSC 电源电路参考电压源二极管
页数 文件大小 规格书
10页 268K
描述
Micropower Voltage Reference Diode

LM385BXZ-1.2 技术参数

生命周期:Obsolete包装说明:TO-92,
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.6
模拟集成电路 - 其他类型:TWO TERMINAL VOLTAGE REFERENCEJESD-30 代码:O-PBCY-T3
功能数量:1输出次数:1
端子数量:3最高工作温度:70 °C
最低工作温度:最大输出电压:1.247 V
最小输出电压:1.223 V标称输出电压:1.235 V
封装主体材料:PLASTIC/EPOXY封装代码:TO-92
封装形状:ROUND封装形式:CYLINDRICAL
认证状态:Not Qualified最大供电电流 (Isup):0.015 mA
表面贴装:NO技术:BIPOLAR
最大电压温度系数:30 ppm/ °C温度等级:COMMERCIAL
端子形式:THROUGH-HOLE端子位置:BOTTOM
微调/可调输出:NOBase Number Matches:1

LM385BXZ-1.2 数据手册

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January 2000  
LM185-1.2/LM285-1.2/LM385-1.2  
Micropower Voltage Reference Diode  
The LM185-1.2 is rated for operation over a −55˚C to 125˚C  
temperature range while the LM285-1.2 is rated −40˚C to  
85˚C and the LM385-1.2 0˚C to 70˚C. The LM185-1.2/  
LM285-1.2 are available in a hermetic TO-46 package and  
the LM285-1.2/LM385-1.2 are also available in a low-cost  
TO-92 molded package, as well as SO and SOT-23. The  
LM185-1.2 is also available in a hermetic leadless chip car-  
rier package.  
General Description  
The LM185-1.2/LM285-1.2/LM385-1.2 are micropower  
2-terminal band-gap voltage regulator diodes. Operating  
over a 10 µA to 20 mA current range, they feature exception-  
ally low dynamic impedance and good temperature stability.  
On-chip trimming is used to provide tight voltage tolerance.  
Since the LM185-1.2 band-gap reference uses only transis-  
tors and resistors, low noise and good long term stability re-  
sult.  
Features  
Careful design of the LM185-1.2 has made the device ex-  
ceptionally tolerant of capacitive loading, making it easy to  
use in almost any reference application. The wide dynamic  
operating range allows its use with widely varying supplies  
with excellent regulation.  
±
±
%
4 mV ( 0.3 ) max. initial tolerance (A grade)  
n
n Operating current of 10 µA to 20 mA  
n 0.6max dynamic impedance (A grade)  
n Low temperature coefficient  
n Low voltage reference — 1.235V  
n 2.5V device and adjustable device also available  
n LM185-2.5 series and LM185 series, respectively  
The extremely low power drain of the LM185-1.2 makes it  
useful for micropower circuitry. This voltage reference can be  
used to make portable meters, regulators or general purpose  
analog circuitry with battery life approaching shelf life.  
Further, the wide operating current allows it to replace older  
references with a tighter tolerance part.  
Connection Diagrams  
SOT23  
T0-92  
Plastic Package (Z)  
DS005518-33  
*
Pin 3 is attached to the Die Attach Pad (DAP) and should be connected  
to Pin 2 or left floating.  
Order Number LM385M3-1.2  
See NS Package Number MA03B  
DS005518-10  
Bottom View  
Order Number LM285Z-1.2,  
LM285BXZ-1.2, LM285BYZ-1.2  
LM385Z-1.2, LM385BZ-1.2  
LM385BXZ-1.2 or LM385BYZ-1.2  
See NS Package Number Z03A  
© 2000 National Semiconductor Corporation  
DS005518  
www.national.com  

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