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LM385BXZ-2.5 PDF预览

LM385BXZ-2.5

更新时间: 2024-01-12 21:42:50
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
14页 289K
描述
Micropower Voltage Reference Diode

LM385BXZ-2.5 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:TO-92
包装说明:TO-92, 3 PIN针数:3
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:0.66Is Samacsys:N
模拟集成电路 - 其他类型:TWO TERMINAL VOLTAGE REFERENCEJESD-30 代码:O-PBCY-T3
JESD-609代码:e3长度:4.3 mm
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:2.538 V
最小输出电压:2.462 V标称输出电压:2.5 V
封装主体材料:PLASTIC/EPOXY封装代码:TO-92
封装等效代码:SIP3,.1,50封装形状:ROUND
封装形式:CYLINDRICAL峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:3.6 mm
子类别:Voltage References表面贴装:NO
技术:BIPOLAR最大电压温度系数:150 ppm/ °C
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
端子形式:THROUGH-HOLE端子节距:1.27 mm
端子位置:BOTTOM处于峰值回流温度下的最长时间:NOT SPECIFIED
微调/可调输出:NO最大电压容差:1.52%
宽度:4.3 mmBase Number Matches:1

LM385BXZ-2.5 数据手册

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December 1999  
LM185-2.5/LM285-2.5/LM385-2.5  
Micropower Voltage Reference Diode  
The LM185-2.5 is rated for operation over a −55˚C to 125˚C  
temperature range while the LM285-2.5 is rated −40˚C to  
85˚C and the LM385-2.5 0˚C to 70˚C. The LM185-2.5/  
LM285-2.5 are available in a hermetic TO-46 package and  
the LM285-2.5/LM385-2.5 are also available in a low-cost  
TO-92 molded package, as well as S.O. and SOT-23. The  
LM185-2.5 is also available in a hermetic leadless chip car-  
rier package.  
General Description  
The LM185-2.5/LM285-2.5/LM385-2.5 are micropower  
2-terminal band-gap voltage regulator diodes. Operating  
over a 20 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 LM-185-2.5 band-gap reference uses only transis-  
tors and resistors, low noise and good long term stability re-  
sult.  
Features  
Careful design of the LM185-2.5 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.  
±
±
20 mV ( 0.8%) max. initial tolerance (A grade)  
n
n Operating current of 20 µA to 20 mA  
n 0.6dynamic impedance (A grade)  
n Low temperature coefficient  
n Low voltage reference — 2.5V  
n 1.2V device and adjustable device also  
available — LM185-1.2 series and LM185 series,  
respectively  
The extremely low power drain of the LM185-2.5 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. Fur-  
ther, the wide operating current allows it to replace older ref-  
erences with a tighter tolerance part. For applications requir-  
ing 1.2V see LM185-1.2.  
Connection Diagrams  
TO-92  
SO Package  
Plastic Package  
DS005519-8  
Bottom View  
Order Number LM285Z-2.5,  
LM285BXZ-2.5, LM285BYZ-2.5  
LM385Z-2.5, LM385AXZ-2.5  
LM385AYZ-2.5, LM385BZ-2.5,  
LM385BXZ-2.5 or LM385BYZ-2.5  
See NS Package Number Z03A  
DS005519-11  
Order Number LM285M-2.5,  
LM285BXM-2.5, LM285BYM-2.5  
LM385M-2.5, LM385BM-2.5  
LM385BXM-2.5 or LM385BYM-2.5  
See NS Package Number M08A  
SOT-23  
DS005519-29  
*
Pin 3 is attached to the Die Attach Pad (DAP) and should be connected to Pin 2 or left floating.  
Order Number LM385M3-2.5  
See NS Package Number MA03B  
© 1999 National Semiconductor Corporation  
DS005519  
www.national.com  

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