
LP2950
http://onsemi.com
2
DEVICE INFORMATION
Output Voltage
Operating Junction
Package
3.0V
3.3V
5.0V
Adjustable
Operating Junction
Temperature Range
TO–92
Suffix Z
LP2950CZ–3.0
LP2950ACZ–3.0
LP2950CZ–3.3
LP2950ACZ–3.3
LP2950CZ–5.0
LP2950ACZ–5.0
Not
Available
TJ = –40° to +125°C
DPAK
Suffix DT
LP2950CDT–3.0
LP2950ACDT–3.0
LP2950CDT–3.3
LP2950ACDT–3.3
LP2950CDT–5.0
LP2950ACDT–5.0
Not
Available
TJ = –40° to +125°C
SO–8
Suffix D
LP2951CD–3.0
LP2951ACD–3.0
LP2951CD–3.3
LP2951ACD–3.3
LP2951CD
LP2951ACD
LP2951CD
LP2951ACD
TJ = –40° to +125°C
Micro–8
Suffix DM
LP2951CDM–3.0
LP2951ACDM–3.0
LP2951CDM–3.3
LP2951ACDM–3.3
LP2951CDM
LP2951ACDM
LP2951CDM
LP2951ACDM
TJ = –40° to +125°C
DIP–8
Suffix N
LP2951CN–3.0
LP2951ACN–3.0
LP2951CN–3.3
LP2951ACN–3.3
LP2951CN
LP2951ACN
LP2951CN
LP2951ACN
TJ = –40° to +125°C
LP2950Cx–xx / LP2951Cxx–xx
1% Output Voltage Precision at TJ = 25°C
LP2950ACx–xx / LP2951ACxx–xx
0.5% Output Voltage Precision at TJ = 25°C
From
CMOS/TTL
3
Representative Block Diagrams
This device contains 34 active transistors.
LP2950CZ–5.0
Battery or
Unregulated DC
Gnd
2
Output
5.0 V/100 mA
1
Input
3
1.23 V
Reference
Error Amplifier
182 k
60 k
1.0
F
Gnd
4
182 k
60 k
1.23 V
Reference
1.0
F
LP2951CD or CN
Error
Amplifier
Battery or
Unregulated DC
Shutdown
Error
Output
5
VO Tap
Feedback
6
7
Input
8
Output
1
Sense
2
5.0 V/100 mA
330 k
To CMOS/TTL
75 mV/
60 mV
Error Detection
Comparator
50 k
60 k
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