LP2950 LP2951
ORDERING INFORMATION
Operating
Temperature Range
Device
Type
Package
LP2950CZ–**
LP2950ACZ–**
TO–92/TO–226AA
Fixed Voltage
(3.0, 3.3 or 5.0 V)
LP2950CDT–**
LP2950ACDT–**
DPAK
SO–8
LP2951CD
LP2951ACD
Adjustable or
5.0 V Fixed
LP2951CD–**
LP2951ACD–**
Adjustable or Fixed
(3.0, 3.3 V)
T = –40° to +125°C
J
LP2951CN
LP2951ACN
Adjustable or
5.0 V Fixed
Plastic
LP2951CN–**
LP2951ACN–**
Adjustable or Fixed
(3.0, 3.3 V)
LP2951CDM
LP2951ACDM
Adjustable or
5.0 V Fixed
Micro–8
LP2951CDM–**
LP2951ACDM–**
Adjustable or Fixed
(3.0, 3.3 V)
** = Voltage option of 3.0, 3.3 or 5.0 V.
DEVICE TYPE/NOMINAL OUTPUT VOLTAGE
Device No. (±1%)
Device No. (±0.5%)
Nominal Voltage
LP2950CX–5.0
LP2950CX–3.3
LP2950CX–3.0
LP2951CX
LP2950CX–3.3
LP2951CX–3.0
LP2950ACX–5.0
LP2950ACX–3.3
LP2950ACX–3.0
LP2951ACX
LP2951ACX–3.3
LP2951ACX–3.0
5.0
3.3
3.0
Adjustable or 5.0
Adjustable or 3.3
Adjustable or 3.0
X = Package suffix.
Representative Block Diagrams
Input
3
Output
5.0 V/100 mA
1
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
µ
F
V
6
Tap
O
60 k
330 k
7
Feedback
Error
Amplifier
Shutdown
From
3
60 k
50 k
75 mV/
60 mV
CMOS/TTL
Error
Output
To CMOS/TTL
5
Error Detection
Comparator
1.23 V
Reference
LP2951CD or CN
Gnd
4
This device contains 34 active transistors.
2
MOTOROLA ANALOG IC DEVICE DATA
MOTOROLA [ MOTOROLA ]
