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LT1790 Datasheet(PDF) 8 Page - Linear Technology

Part # LT1790
Description  Micropower SOT-23 Low Dropout Reference Family
PDF  26 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1790 Datasheet(HTML) 8 Page - Linear Technology

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LT1790
8
1790fb
3.3V ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified
temperature range, otherwise specifications are at TA = 25°C. CL = 1μF and VIN = 3.8V, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Output Voltage (Notes 3, 4)
LT1790A
3.29835
–0.05
3.3
3.30165
0.05
V
%
LT1790B
3.2967
–0.10
3.3
3.3033
0.10
V
%
LT1790AC
l
l
3.29604
–0.120
3.3
3.30396
0.120
V
%
LT1790AI
l
l
3.29423
–0.175
3.3
3.30578
0.175
V
%
LT1790BC
l
l
3.29093
–0.275
3.3
3.30908
0.275
V
%
LT1790BI
l
l
3.28639
–0.4125
3.3
3.31361
0.4125
V
%
Output Voltage Temperature Coefficient (Note 5)
TMIN ≤ TA ≤ TMAX
LT1790A
LT1790B
l
l
5
12
10
25
ppm/°C
ppm/°C
Line Regulation
3.8V ≤ VIN ≤ 18V
l
50
170
220
ppm/V
ppm/V
Load Regulation (Note 6)
IOUT Source = 5mA
l
80
160
250
ppm/mA
ppm/mA
IOUT Sink = 3mA
l
70
110
300
ppm/mA
ppm/mA
Dropout Voltage (Note 7)
VIN – VOUT, ΔVOUT = 0.1%
IOUT = 0mA
IOUT Source = 5mA
IOUT Sink = 3mA
l
l
l
50
100
120
450
250
mV
mV
mV
mV
Supply Current
No Load
l
35
60
80
μA
μA
Minimum Operating Current—
Negative Output (See Figure 7)
VOUT = – 3.3V, 0.1%
100
125
μA
Turn-On Time
CLOAD = 1μF
700
μs
Output Noise (Note 8)
0.1Hz ≤ f ≤ 10Hz
10Hz ≤ f ≤ 1kHz
50
67
μVP-P
μVRMS
Long-Term Drift of Output Voltage (Note 9)
50
ppm/√kHr
Hysteresis (Note 10)
ΔT = 0°C to 70°C
ΔT = –40°C to 85°C
l
l
25
40
ppm
ppm



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