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LT1790 数据表(PDF) 13 Page - Linear Technology

部件名 LT1790
功能描述  Micropower SOT-23 Low Dropout Reference Family
PDF  26 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT1790 数据表(HTML) 13 Page - Linear Technology

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LT1790
13
1790fb
2.048V TYPICAL PERFORMANCE CHARACTERISTICS
TEMPERATURE (°C)
–50
70
90 110
2.056
2.054
2.052
2.050
2.048
2.046
2.044
2.042
17902.048 G01
–30 –10 10
30
50
130
FOUR TYPICAL PARTS
INPUT-OUTPUT VOLTAGE (V)
0.1
0.1
1
10
0.3
17902.048 G02
0
0.7
0.2
0.4
0.5
0.6
TA = 25°C
TA = 125°C
TA = –55°C
TEMPERATURE (°C)
–50
–50
–30
10
30
50
70
130
17902.048 G03
–10
10
130
50
–10
110
30
–30
90
70
90
110
5mA
1mA
100μA
OUTPUT CURRENT (mA)
0.1
–2000
–1600
–1200
–800
–400
110
17902.048 G04
0
–1800
–1400
–1000
–600
–200
TA = 25°C
TA = 125°C
TA = –55°C
OUTPUT CURRENT (mA)
0.1
0
400
800
1200
1600
110
17902.048 G05
2000
200
600
1000
1400
1800
TA = –40°C
TA = 25°C
TA = 125°C
INPUT VOLTAGE (V)
0
40
50
60
20
17902.048 G06
30
20
0
5
10
15
10
80
70
TA = –55°C
TA = 25°C
TA = 125°C
INPUT VOLTAGE (V)
2.054
2.052
2.050
2.048
2.046
2.044
2.042
4
8
12
16
17902.048 G07
20
2
0
6
10
14
18
TA = –55°C
TA = 25°C
TA = 125°C
FREQUENCY (Hz)
–60
10
0
20
–70
–80
–10
–40
–20
–30
–50
100
10k
100k
1M
17902.048 G08
1k
CL = 1μF
FREQUENCY (Hz)
10k
1
10
100
1000
100k
1M
10M
17902.048 G09
CL = 0.47μF
CL = 4.7μF
CL = 1μF
Output Voltage Temperature Drift
Load Regulation (Sourcing)
Minimum Input-Output Voltage
Differential (Sourcing)
Minimum Input-Output Voltage
Differential (Sinking)
Load Regulation (Sinking)
Supply Current vs Input Voltage
Line Regulation
Output Impedance vs Frequency
Power Supply Rejection Ratio
vs Frequency
Each of the voltage options have similar performance curves. For the 3V, 3.3V and the 4.096V options,
the curves can be estimated based on the 2.5V and 5V curves.



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