LP2950 Datasheet, PDF (2/16 Pages) National Semiconductor (TI) – Series of Adjustable Micropower Voltage Regulators

LP2950
Package
3.0V
TO–92
Suffix Z
LP2950CZ–3.0
LP2950ACZ–3.0
DPAK
Suffix DT
LP2950CDT–3.0
LP2950ACDT–3.0
SO–8
Suffix D
LP2951CD–3.0
LP2951ACD–3.0
Micro–8
Suffix DM
DIP–8
Suffix N
LP2951CDM–3.0
LP2951ACDM–3.0
LP2951CN–3.0
LP2951ACN–3.0
LP2950Cx–xx / LP2951Cxx–xx
LP2950ACx–xx / LP2951ACxx–xx
DEVICE INFORMATION
Output Voltage
3.3V
5.0V
LP2950CZ–3.3
LP2950ACZ–3.3
LP2950CZ–5.0
LP2950ACZ–5.0
LP2950CDT–3.3
LP2950ACDT–3.3
LP2950CDT–5.0
LP2950ACDT–5.0
LP2951CD–3.3
LP2951ACD–3.3
LP2951CD
LP2951ACD
LP2951CDM–3.3
LP2951ACDM–3.3
LP2951CN–3.3
LP2951ACN–3.3
LP2951CDM
LP2951ACDM
LP2951CN
LP2951ACN
1% Output Voltage Precision at TJ = 25°C
0.5% Output Voltage Precision at TJ = 25°C
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
Battery or
Unregulated DC
Representative Block Diagrams
Input
Output
5.0 V/100 mA
3
1
182 k
1.0 µF
Battery or
Input
Unregulated DC
Shutdown
From 3 _{60 k}
CMOS/TTL
50 k
Error Amplifier
60 k
1.23 V
Reference
Gnd 2
LP2950CZ–5.0
8
Output 1
Error
Amplifier
Sense 2
182 k
60 k
1.0 µF
VO Tap
6
7
Feedback
5.0 V/100 mA
330 k
1.23 V
Reference
75 mV/
60 mV
Error Detection
Comparator
Error
Output
5
To CMOS/TTL
LP2951CD or CN
Gnd 4
This device contains 34 active transistors.
http://onsemi.com
2