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LP2951-02BM-TR 数据手册 - Microchip（微芯）
制造商:
Microchip（微芯）
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稳压芯片
封装:
SOIC-8
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LP2951-02BM-TR数据手册
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Micrel, Inc. LP2950/2951
September 2008 2
M9999-091208
Additional features available with the LP2951 also
include an error flag output that warns of a low output
voltage, which is often due to failing batteries on the
input. This may also be used as a power-on reset. A
logic-compatible shutdown input is also available which
enables the regulator to be switched on and off. This
part may also be pin-strapped for a 5V output, or
programmed from 1.24V to 29V with the use of two
external resistors.
The LP2950 is available as either a -02 or -03 version.
The -02 and -03 versions are guaranteed for junction
temperatures from –40°C to +125°C; the -02 version has
a tighter output and reference voltage specification
range over temperature. The LP2951 is available as an
-02 or -03 version.
The LP2950 and LP2951 have a tight initial tolerance
(0.5% typical), a very low output voltage temperature
coefficient which allows use as a low-power voltage
reference, and extremely good load and line regulation
(0.05% typical). This greatly reduces the error in the
overall circuit, and is the result of careful design
techniques and process control.
___________________________________________________________________________________________________________
Ordering Information
Part Number Voltage Accuracy
Junction
Temperature Range
Package Lead Finish
LP2950-02BZ* 5.0V 0.5% –40° to +125°C 3-Pin TO-92 Plastic Standard
LP2950-03BZ* 5.0V 1.0% –40° to +125°C 3-Pin TO-92 Plastic Standard
LP2951-02BM 5.0V 0.5% –40° to +125°C 8-Pin SOIC Standard
LP2951-03BM 5.0V 1.0% –40° to +125°C 8-Pin SOIC Standard
LP2951-02BN 5.0V 0.5% –40° to +125°C 8-Pin Plastic DIP Standard
LP2951-03BN** 5.0V 1.0% –40° to +125°C 8-Pin Plastic DIP Standard
LP2951-02YM 5.0V 0.5% –40° to +125°C 8-Pin SOIC Pb-Free
LP2951-03YM 5.0V 1.0% –40° to +125°C 8-Pin SOIC Pb-Free
LP2951-02YN 5.0V 0.5% –40° to +125°C 8-Pin Plastic DIP Pb-Free
Note:
* TO-92 Package discontinuance notification issued September 2007. End-of-life-buy offer thru December 31, 2007. Contact factory for
additional information.
** Contact factory for Pb-Free version.
Pin Configuration
TO-92 (Z)
(Bottom View)
DIP (N) and SOIC (M)
See MIC2950 for a part with: 1) higher output (150mA), 2) transient protection (60V), and 3) reverse input protection to –20V.
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