UTC UTCLP2951, UTCLP2950-5.0, UTCLP2950-3.6, UTCLP2950-3.3, UTCLP2950-3.0 Datasheet
...
UTC LP2950/2951 LINEAR INTEGRATED CIRCUIT
UTC UNISONIC TECHNOLOGIES CO., LTD. 1
QW-R102-001,E
100 mA LOW-DROPOUT VOLTAGE
REGULATOR
DESCRIPTION
The UTC LP2950/2951 is a monolithic integrated voltage
regulator with low dropout voltage, and low quiescent current.
It includes many features that suitable for different
applications. Available in 3-pin TO-92, DIP-8 and SOP-8
packages.
FEATURES
*High accuracy 2.5, 3.0, 3.3, 3.6 or 5V fixed output for
TO-92, SOP-8 package.
*Extremely low quiescent current and dropout voltage.
*Extremely tight load and line regulation.
*Current and thermal limiting.
*Very low temperature coefficient.
*Logic controlled shutdown and error flag available for DIP
and SOP package.
*Output voltage programmable for DIP and SOP package.
APPLICATIONS
*Battery powered equipment.
*High efficient linear regulator down to 1.24V.
*Cellular phones.
TO-92
SOP-8
DIP-8
1
ORDERING INFORMATION
PART NUMBER TEMPERATURE RANGE PACKAGE ACCURACY
UTC LP2950-5.0
-40 ~ +125°C
3-Pin TO-92 plastic 2.0%
UTC LP2950-3.0
-40 ~ +125°C
3-Pin TO-92 plastic 1.0%
UTC LP2950-3.3
-40 ~ +125°C
3-Pin TO-92 plastic 1.0%
UTC LP2950-3.6
-40 ~ +125°C
3-Pin TO-92 plastic 2.0%
UTC LP2950-2.5
-40 ~ +125°C
3-Pin TO-92 plastic 1.0%
UTC LP2950-5.0
-40 ~ +125°C
8-Pin SOP-8 plastic 2.0%
UTC LP2950-3.0
-40 ~ +125°C
8-Pin SOP-8 plastic 1.0%
UTC LP2950-3.3
-40 ~ +125°C
8-Pin SOP-8 plastic 1.0%
UTC LP2951
-40 ~ +125°C
8-Pin SOP-8 plastic 2.0%
UTC LP2951
-40 ~ +125°C
8-Pin DIP-8 plastic 2.0%
UTC LP2950/2951 LINEAR INTEGRATED CIRCUIT
UTC UNISONIC TECHNOLOGIES CO., LTD. 2
QW-R102-001,E
PIN CONFIGURATIONS
21 3
OUTPUT
GND
INPUT
UTC LP2950
TO-92 Plastic Package
Bottom View
1
2
3
4
8
7
6
5
INPUT
FEEDBACK
5V TAPSHUTDOW N
SENSE
OUTPUT
UTC
LP2951
GND
ERROR
SOP-8 OR DIP-8 PACKAGE
FOR UTC LP2951
1
2
3
4
8
7
6
5
INPUT
NC
NCSHUTDOWN
NC
OUTPUT
UTC
LP2950
GND
ERROR
SOP-8 OR DIP-8 PACKAGE
FOR UTC LP2950
Fig.1
UTC LP2950/2951 LINEAR INTEGRATED CIRCUIT
UTC UNISONIC TECHNOLOGIES CO., LTD. 3
QW-R102-001,E
BLOCK DIAGRAM
5
4
6
2
187
3
60mV
330K
Ω
TO CMOS
OR TTL
5V 150mA
MAX.
FEEDBACK INPUT OUTPUT
SENSE
5V TAP
GND
ERROR
DETECTION
COMPARATOR
ERROR
AMPLIFIER
FROM CMOS
OR TTL
1.23
REF
SHUT
DOWN
UNRAGULATED
DC
ERROR
182k
Ω
60k
Ω
1.5 µF
FOR UTC LP2951
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL VALUE UNIT
Supply Voltage Vcc -0.3~+18 V
Feedback Voltage Vfeedback -1.5~+18 V
Shutdown Voltage Vshutdown -0.3~+18 V
Comparator Output Voltage Vco -0.3~+18 V
Storage Temperature Tstr -65~+150
°C
Operating Junction Temperature Tj -40~+125
°C
Loading...