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