LTC1798CS8-3(RevA) データシートの表示（PDF） - Linear Technology
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LTC1798CS8-3 Datasheet PDF : 8 Pages
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LTC1798 Series
TYPICAL PERFOR A CE CHARACTERISTICS
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)
1258-G04
LTC1798-2.5*
Output Voltage vs Input Voltage
2.5010
TA = 25°C
LTC1798-2.5* Output Short-Circuit
Current vs Input Voltage
42
TA = 25°C
OUTPUT SHORTED
TO GND
41
246
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
LTC1798-2.5 0.1Hz to 10Hz Noise
VIN = 2.7V
5µV/DIV
1SEC/DIV
1798 G10
4
246
8 10 12 14
INPUT VOLTAGE (V)
1798 G08
LTC1798-5 Input Current vs Input
Voltage in Dropout
1400
1200
1000
800
TA = –55°C
TA = 25°C
TA = 125°C
600
400
200
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1798 G11
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
LTC1798-2.5 Input Current vs Input
Voltage in Dropout
250
200
TA = 125°C
150
TA = 25°C
100
TA = –55°C
50
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
INPUT VOLTAGE (V)
1798 G12
4
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