LTC1798CS8 データシートの表示（PDF） - Linear Technology
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LTC1798CS8 Datasheet PDF : 10 Pages
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LTC1798 Series
TYPICAL PERFORMANCE CHARACTERISTICS
LTC1798-2.5* Dropout Voltage
vs Output Source Current
100
90 TA = 25°C
80
70
60
50
40
30
20
10
0
0
0.1
1
10
100
OUTPUT SOURCE CURRENT (mA)
1798 G01
LTC1798-2.5* Output Short-Circuit
Current vs Input Voltage
25
TA = 25°C
OUTPUT SHORTED
20 TO VIN
15
10
5
0
2
4
6
8 10 12 14
INPUT VOLTAGE (V)
1798 G04
LTC1798-2.5*
Output Voltage vs Input Voltage
2.5010
TA = 25°C
LTC1798-2.5*
Input Current vs Temperature
8
VIN = 2.7V
7
6
5
4
3
2
1
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
1798 G02
LTC1798-2.5* Output Short-Circuit
Current vs Input Voltage
42
TA = 25°C
OUTPUT SHORTED
TO GND
41
24
6
8 10
INPUT VOLTAGE (V)
12 14
1798 G05
LTC1798-2.5*
Input Current vs Input Voltage
7
TA = 25°C
2.5005
6
2.5000
5
2.4995
2
4
6
8 10 12 14
INPUT VOLTAGE (V)
1798 G07
4
4
2
4
6
8 10 12 14
INPUT VOLTAGE (V)
1798 G08
LTC1798 Series Output Short-Circuit
Current vs Temperature
70
TA = 25°C
60 VIN = VOUT(NOM) + 0.2V
50
OUTPUT
SHORTED
TO GND
40
30
20
10
OUTPUT
SHORTED
5
TO VIN
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
1798 G03
LTC1798 Series
Load Regulation
5
4
TA = 25°C
VIN = VOUT(NOM) + 0.2V
3
SINKING
2
1
0
SOURCING
–1
–2
–3
–4
–5
0
0.1
1
10
OUTPUT CURRENT (mA)
100
1798 G06
LTC1798-2.5
PSRR vs Frequency
60
VIN = 2.7V
50
40
30
20
10
0
10
100
1k
10k
FREQUENCY (Hz)
1798 G09
1798fc
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