LM2931 Ver la hoja de datos (PDF) - Bay Linear
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LM2931 Datasheet PDF : 8 Pages
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Absolute Maximum Rating
Parameter
Power Dissipation
Lead Temperature ( Soldering 5 seconds )
Storage Temperature Range
Operating Junction Temperature
Input Supply Voltage
LM2931
Internally Limited
260 °C
-65 °C to +150 °C
-55 °C to +150 °C
-20 to +35V
Electrical Characteristics
TJ = 25°C , IO = 100µA, VIN = 14V ( for 2931-15 VIN = 16V), CO = 100µF; unless otherwise specified)
Parameter
Conditions
MIN
TYP
MAX
UNIT
Output Voltage
(Fixed Version)
-25 °C ≤ Tj ≤ 85 °C
Full Operating Temperature
Output Voltage (Fixed Version) 100µA ≤ IL ≤ 100mA, Tj ≤ T jmax
Input Supply Voltage
Output Voltage Temperature
Coefficient
(Note 1)
Line Regulation (Note 2)
Load Regulation (Note 2)
Dropout Voltage (Note 4)
Ground Current (Note 5)
Dropout Ground Current
Current Limit
Thermal Regulation (Note 6)
13V ≤ VIN ≤ 26V (Note 3)
100µA ≤ IL ≤ 100mA
IL = 100µA
IL = 100mA
IL = 100µA
IL = 10mA
IL = 100mA
VIN = (VOUT – 0.5V), IL = 100µA
VOUT = 0
Output Noise,
10Hz to 100KHz
IL = 10mA
CL = 2.2µF
CL = 3.3µF
CL = 33µF
Ripple Rejection Ratio
IO = 10mA, f = 120Hz, C0 = 100µF
VIN = VO + 3V+2Vpp
8 pin Versions only (LP2951)
Reference Voltage
Over Temperature (Note 7)
Feedback Pin Bias Current
Reference Voltage Temperature (Note 1)
Coefficient
Feedback Pin Bias Current
Temperature Coefficient
Shutdown Input
Input Logic Voltage
Low (Regulator ON)
High (Regulator OFF)
Shutdown Pin Input Current
Regulator Output Current
in Shutdown
VS = 2.4V
VS = 26V
(Note 8)
5.0V ≤ VOUT ≤ 15.0V
3.3V ≤ VOUT ≤ 5.0V
2.0V ≤ VOUT ≤ 3.3V
0.985 [ Vo ]
0.98 [ Vo ]
0.975 [Vo ]
60
1.21
1.185
2
Vo
Vo
50
0.1
0.1
60
300
100
0.9
8
110
160
0.05
500
350
120
1.235
20
50
0.1
1.3
30
450
1.015 [ Vo ]
1.02 [ Vo ]
1.025 [ Vo ]
26
150
V
V
V
ppm / ° C
0.4
%
0.3
%
200
mV
600
150
µA
1.5
mA
12
mA
170
µA
200
mA
0.2
%/W
µVrms
dB
1.26
1.285
40
V
ηA
ppm/°C
ηA/°C
0.7
V
50
µA
600
10
20
µA
30
Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 989-7144, Fax: (925) 940-9556
www.baylinear.com
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