LP2950/2951
LINEAR INTEGRATED CIRCUIT
ꢀ
PIN CONFIGURATIONS
UTC LP2950
OUTPUT
SENSE
1
2
3
4
8
7
6
5
INPUT
OUTPUT
NC
1
2
3
4
8
7
6
5
INPUT
NC
1
2
3
FEEDBACK
5V TAP
UTC
LP2951
UTC
LP2950
SHUTDOWN
GND
SHUTDOWN
GND
NC
OUTPUT
INPUT
GND
ERROR
ERROR
TO-92 Plastic Package
Bottom View
SOP-8 OR DIP-8 PACKAGE
FOR UTC LP2951
SOP-8 OR DIP-8 PACKAGE
FOR UTC LP2950
ꢀ
BLOCK DIAGRAM
5V 150mA
MAX.
UNREGULATED
DC
FEEDBACK
INPUT
OUTPUT
7
8
1
SENSE
5V TAP
ERROR
GND
2
6
5
4
182kΩ
60kΩ
SHUT
DOWN
ERROR
AMPLIFIER
330KΩ
FROM CMOS
OR TTL
3
1.5 μF
60mV
ERROR
DETECTION
COMPARATOR
TO CMOS
OR TTL
1.23
REF
FOR UTC LP2951
UNISONIC TECHNOLOGIES CO., LTD
2 of 7
QW-R102-001,J
www.unisonic.com.tw
UTC [ Unisonic Technologies ]
