LP2950/2951 LINEARINTEGRATEDCIRCUIT
3
ELECTRICAL CHARACTERISTICS
( Tested at Tj=25 C,VIN=6V,IL=100A and CL=1F.unless otherwise specified)
PARAMETER PART NUMBER TEST CONDITION MIN. TYP. MAX. UNIT
Output Voltage Contek LP2950-3.0
Contek LP2950-3.3
Contek LP2950
Contek LP2951
T
J=25 C
(note 1)
2.97
3.26
4.90
3.0
3.3
5.0
3.03
3.37
5.10
V
Contek LP2950-3.0
Contek LP2950-3.3
Contek LP2950
Contek LP2951
-25 C<=T
J<=<=+85 C
(note 1)
2.97
3.26
4.90
3.0
3.3
5.0
3.03
3.37
5.10
V
Output Voltage Contek LP2950-3.0
Contek LP2950-3.3
Contek LP2950
Contek LP2951
100mA<=I
L<=100 mA
Tj<=Tj(max)
(note 1)
2.97
3.26
4.90
3.0
3.3
5.0
3.03
3.37
5.10
V
Output Voltage
Temperature Coefficient
20 100 ppm/ C
Line Regulation 6V<=VIN<=30V 0.03 0.1 0.2 %
Load Regulation 100A<=IL<=100 mA 0.04 0.1 0.2 %
Dropout Voltage IL=100mA
I
L=100mA (note 2)
50
380
80
450
150
600
mV
Ground Current IL=100mA
I
L=100mA
75
8
120
12
140
14
mA
mA
Dropout Ground Current VIN=4.5V,I L=100mA 110 170 200 mA
Current Limit Vout=0 160 200 220 mA
Output Noise 10Hz to
100KHz
CL=1mF
C
L=200mF
C
L=3.3mF
(Bypass=0.01mF
pins 7 to (
Contek
2951)
430
160
100
mV
For 8-Pin version only
Reference Voltage 1.22 1.235 1.25 V
Reference Voltage (Note 7) 1.19 1.27 V
Feedback pin Bias
Current
20 40 nA
Reference Voltage
Temperature Coefficient
50 ppm/ C
Feedback Bias Current
temperature Coefficient
0.1 nA/ C
Error Comparator
Output Leakage Current VOH=30V 1 mA
Output Low Voltage VIN=4.5V
I
OL=400mA
250 mV
Upper Threshold
Voltage
(Note 3) 3.2 %VO
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com