LM2954-3.0 查看數據表（PDF） - Contek Microelectronics
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LM2954-3.0 Datasheet PDF : 5 Pages
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LM2954
LINEAR INTEGRATED CIRCUIT
BLOCK DIAGRAM
UNRAGULATED
DC
FEEDBACK
7
INPUT 8
OUTPUT1
5V150mA
MAX.
FROMCMOS
ORTTL
SHUT
DOWN 3
60mV
1.23
REF
Contek
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
Supply Voltage
Vcc
Feedback Voltage
Vfeedback
Shutdown Voltage
Vshutdown
Comparator Output Voltage
Vco
Storage temperature
Tstr
Operating Junction
Tj
Temperature
SENSE2
182kW
ERROR
AMPLIFIER
60kW
ERROR
DETECTION
COMPARATOR
5VTAP 6
1.5mF
ERROR5
GND 4
330KW
TOCMOS
OR TTL
VALUE
-0.3 ~ +30
-1.5 ~ +30
-0.3 ~ +30
-0.3 ~ +30
-65 ~ +150
-40 ~ +125
UNIT
V
V
V
V
C
C
ELECTRICAL CHARACTERISTICS
( Tested at Tj=25 C,VIN=6V,I L=100mA and CL=1F.unless otherwise specified)
PARAMETER
PART NUMBER
TEST CONDITIONS
Output Voltage
Contek LM2954-3.0 TJ=25 C
Contek LM2954-3.3
Contek LM2954-3.7
Contek LM2954 (note 1)
Contek LM2954
Contek LM2954-3.0 -25 C<=TJ<=+85 C
Contek LM2954-3.3
Contek LM2954-3.7
Contek LM2954 (note 1)
Contek LM2954
Contek LM2954-3.0 100mA<=IL<=300 mA
Contek LM2954-3.3 Tj<=Tj(max)
Contek LM2954-3.7
Contek LM2954 (note 1)
Contek LM2954
Output Voltage
Temperature Coefficient
Line Regulation
6V<=VIN<=30V
MIN.
2.97
3.27
3.66
4.95
2.94
3.23
3.63
4.9
2.94
3.23
3.66
4.9
20
TYP.
3.0
3.3
3.7
5.0
3.0
3.3
3.7
5.0
3.0
3.3
3.7
5.0
0.1
MAX.
3.03
3.33
3.74
5.05
UNIT
V
3.06
3.36
V
3.77
5.1
3.06
3.36
V
3.74
5.1
100 ppm/ C
0.2
%
Contek Microelectronics Co.,Ltd.
2
CONTEK
http://www.contek-ic.com E-mail:sales@contek-ic.com
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