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