LT1790 Просмотр технического описания (PDF) - Linear Technology
Номер в каталоге
Компоненты Описание
производитель
LT1790 Datasheet PDF : 24 Pages
| |||
LT1790
2.5V 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
2.508
FOUR TYPICAL PARTS
2.506
2.504
2.502
2.500
2.498
2.496
2.494
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE (°C)
17902.5 G01
Load Regulation (Sourcing)
0
–200
–400
–600
–800
TA = 25°C
TA = –55°C
TA = 125°C
–1000
–1200
–1400
–1600
–1800
–2000
0.1
1
10
OUTPUT CURRENT (mA)
17902.5 G04
Line Regulation
2.515
2.510
TA = 125°C
2.505
2.500
2.495
TA = 25°C
TA = –55°C
2.490
2.489
0 2 4 6 8 10 12 14 16 18 20
INPUT VOLTAGE (V)
17902.5 G07
14
Minimum Input-Output Voltage
Differential (Sourcing)
10
TA = –55°C
1
TA = 125°C
TA = 25°C
0.1
0
0.1 0.2 0.3 0.4 0.5 0.6
INPUT-OUTPUT VOLTAGE (V)
17902.5 G02
Load Regulation (Sinking)
2000
1800
1600
1400
1200
1000
800
TA = –55°C
600
400
200
0
0.1
TA = 125°C
TA = 25°C
1
10
OUTPUT CURRENT (mA)
17902.5 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)
17902.5 G08
Minimum Input-Output Voltage
Differential (Sinking)
90
70
50
30
100µA
10
1mA
5mA
–10
–30
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE (°C)
17902.5 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)
17902.5 G06
Output Impedance vs Frequency
1000
CL = 0.47µF
CL = 1µF
100
CL = 4.7µF
10
1
100
1k
10k
FREQUENCY (Hz)
100k
17902.5 G09
1790fa
Share Link: 