LT1790 Просмотр технического описания (PDF) - Linear Technology
Номер в каталоге
Компоненты Описание
производитель
LT1790 Datasheet PDF : 24 Pages
| |||
LT1790
2.048V TYPICAL PERFOR A CE CHARACTERISTICS
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.
Output Voltage Temperature Drift
2.056
FOUR TYPICAL PARTS
2.054
2.052
2.050
2.048
2.046
2.044
2.042
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE (°C)
17902.048 G01
Load Regulation (Sourcing)
0
–200
–400
TA = –55°C
TA = 25°C
–600
–800
TA = 125°C
–1000
–1200
–1400
–1600
–1800
–2000
0.1
1
10
OUTPUT CURRENT (mA)
17902.048 G04
Line Regulation
2.054
2.052
TA = 125°C
2.050
2.048
2.046
TA = 25°C
TA = –55°C
2.044
2.042
0 2 4 6 8 10 12 14 16 18 20
INPUT VOLTAGE (V)
17902.048 G07
12
Minimum Input-Output Voltage
Differential (Sourcing)
10
TA = 25°C
TA = 125°C
TA = –55°C
1
0.1
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7
INPUT-OUTPUT VOLTAGE (V)
17902.048 G02
Load Regulation (Sinking)
2000
1800
1600
1400
1200
1000
TA = –40°C
800
600
TA = 125°C
400
TA = 25°C
200
0
0.1
1
10
OUTPUT CURRENT (mA)
17902.048 G05
Power Supply Rejection Ratio
vs Frequency
20
CL = 1µF
10
0
–10
–20
–30
–40
–50
–60
–70
–80
100
1k
10k
100k
1M
FREQUENCY (Hz)
17902.048 G08
Minimum Input-Output Voltage
Differential (Sinking)
130
110
90
70
5mA
50
1mA
30
10
100µA
–10
–30
–50
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE (°C)
17902.048 G03
Supply Current vs Input Voltage
80
70
TA = –55°C
60
50
TA = 25°C
40
30
TA = 125°C
20
10
0
0
5
10
15
20
INPUT VOLTAGE (V)
17902.048 G06
Output Impedance vs Frequency
1000
CL = 0.47µF
100
CL = 4.7µF
10
CL = 1µF
1
10k
100k
1M
FREQUENCY (Hz)
10M
17902.048 G09
1790fa
Share Link: 