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Details, datasheet, quote on part number:UTCLM2954
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| Part: | UTCLM2954 |
| Category: | Power Management => Regulators => Linear Voltage Regulators => LDO (Low Drop Out) => Low Dropout Regulators |
| Description: | Description = 300mA/450mV Low Dropout Positive Fixed Voltage Regulator And Adjustable Voltage With On/off Control And Flag Signal ;; Package = TO-92, DIP-8, SOP-8, SOT-223 ;; |
| Company: | Unisonic Technologies |
| Datasheet: | Download UTCLM2954 datasheet File size : 36 kB |
| Request For quote: | Find where to buy UTCLM2954
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Datasheet text preview:
UTC LM2954
LINEAR INTEGRATED CIRCUIT
300 mA LOW-DROPOUT VOLTAGE REGULATOR
1 DESCRIPTION
The UTC LM2954 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,SOP-8 and SOT-223 packages.
1 SOT-223 TO-92
FEATURES
*High accuracy 3.3, 5V fixed output for TO-92, DIP-8 and 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.
SOP-8
DIP-8
APPLICATIONS
*Battery powered equipment. *High efficient linear regulator down to 1.24V. *Cellular phones.
UTC
UNISONIC TECHNOLOGIES
CO., LTD.
1
QW-R102-002,C
UTC LM2954
PIN CONFIGURATIONS
LINEAR INTEGRATED CIRCUIT
UTC LM2954
1 2 3
OUTPUT GND
INPUT
TO-92 Plastic Package Bottom View
OUTPUT SENSE SHUTDOW N
1 2
8 7 6 5
INPUT FEEDBACK 5V TAP
3
UTC LM2954
GND 4
ERROR
SOP-8 OR DIP-8 PACKAGE
UTC LM2954
INPUT
GND
OUTPUT
SOT-223 PACKAGE
Fig. 1
UTC
UNISONIC TECHNOLOGIES
CO., LTD.
2
QW-R102-002,C
UTC LM2954
BLOCK DIAGRAM
UNRAGULATED DC
LINEAR INTEGRATED CIRCUIT
FEEDBACK
7
INPUT
8
OUTPUT
1
5V 150mA MAX.
SENSE 182k
2 6
1.5 µF
FROM CMOS OR TTL
SHUT DOWN
3
ERROR AMPLIFIER 60mV
5V TAP
330K
60k ERROR DETECTION COMPARATOR
ERROR
5
TO CMOS OR TTL
1.23 REF
GND
4
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage Feedback Voltage Shutdown Voltage Comparator Output Voltage Storage temperature Operating Junction Temperature
SYMBOL
Vcc Vfeedback Vshutdown Vco Tstr Tj
VALUE
-0.3 ~ +30 -1.5 ~ +30 -0.3 ~ +30 -0.3 ~ +30 -65 ~ +150 -40 ~ +125
UNIT
V V V V °C °C
UTC
UNISONIC TECHNOLOGIES
CO., LTD.
3
QW-R102-002,C
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