LT1021 Просмотр технического описания (PDF) - Linear Technology
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LT1021 Datasheet PDF : 16 Pages
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LT1021
ELECTRICAL CHARACTERISTICS The q denotes specifications that apply over the full operating temperature
range, otherwise specifications are TA = 25°C. VIN = 10V, IOUT = 0, unless otherwise noted.
PARAMETER
Output Voltage (Note 2)
Output Voltage Temperature Coefficient (Note 3)
Line Regulation (Note 4)
Load Regulation (Sourcing Current)
Load Regulation (Sinking Current)
Supply Current
CONDITIONS
LT1021C-5
LT1021B-5/LT1021D-5
TMIN ≤ TJ ≤ TMAX
LT1021B-5
LT1021C-5/LT1021D-5
7.2V ≤ VIN ≤ 10V
10V ≤ VIN ≤ 40V
0 ≤ IOUT ≤ 10mA
(Note 4)
0 ≤ IOUT ≤ 10mA
(Note 4)
Output Voltage Noise (Note 6)
Long Term Stability of Output Voltage (Note 7)
Temperature Hysteresis of Output
0.1Hz ≤ f ≤ 10Hz
10Hz ≤ f ≤ 1kHz
∆t = 1000Hrs Noncumulative
∆T = ±25°C
LT1021-5
MIN TYP MAX
4.9975 5.000 5.0025
4.9500 5.000 5.0500
q
2
5
q
3
20
4
12
q
20
2
6
q
10
10
20
q
35
60
100
q
150
0.8
1.2
q
1.5
3.0
2.2
3.5
15
10
UNITS
V
V
ppm/°C
ppm/°C
ppm/V
ppm/V
ppm/V
ppm/V
ppm/mA
ppm/mA
ppm/mA
ppm/mA
mA
mA
µVP-P
µVRMS
ppm
ppm
The q denotes specifications that apply over the full operating temperature range, otherwise specifications are TA = 25°C.
VIN = 12V, IOUT = 0, unless otherwise noted.
PARAMETER
Output Voltage (Note 2)
CONDITIONS
LT1021-7
MIN TYP MAX
6.95 7.00 7.05
Output Voltage Temperature Coefficient (Note 3)
Line Regulation (Note 4)
TMIN ≤ TJ ≤ TMAX
LT1021B-7
LT1021D-7
8.5V ≤ VIN ≤ 12V
12V ≤ VIN ≤ 40V
q
2
5
q
3
20
1.0
4
q
2.0
8
0.5
2
q
1.0
4
Load Regulation (Sourcing Current)
Load Regulation (Shunt Mode)
Supply Current (Series Mode)
0 ≤ IOUT ≤ 10mA
(Note 4)
1.2mA ≤ ISHUNT ≤ 10mA
(Notes 4, 5)
12
25
q
40
50
100
q
150
0.75
1.2
q
1.5
Minimum Current (Shunt Mode)
Output Voltage Noise (Note 6)
Long Term Stability of Output Voltage (Note 7)
Temperature Hysteresis of Output
VIN is Open
0.1Hz ≤ f ≤ 10Hz
10Hz ≤ f ≤ 1kHz
∆t = 1000Hrs Noncumulative
∆T = ±25°C
0.7
1.0
q
1.2
4.0
2.5
4.0
7
3
UNITS
V
ppm/°C
ppm/°C
ppm/V
ppm/V
ppm/V
ppm/V
ppm/mA
ppm/mA
ppm/mA
ppm/mA
mA
mA
mA
mA
µVP-P
µVRMS
ppm
ppm
3
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