SC1458AWLTRT 데이터 시트보기 (PDF) - Semtech Corporation
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SC1458AWLTRT Datasheet PDF : 13 Pages
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SC1458
Typical Characteristics (continued)
PSRR vs. Frequency
VOUT = 2.5V, IOUT = 50mA
0
-10
-20
-30
-40
-50
-60
-70
10
100
1000
Frequency (Hz)
10000
Output Noise vs. Load Current
VOUT = 2.5V, VIN = 3.6V, no CBYP
400
350
TA=85°C
300
TA=25°C
TA=-40°C
250
200
150
100
50
0
0
50
100
150
200
250
Output Current (mA)
Load Transient Response (Rising Edge)
V = 2.5V, V = 3.6V
OUT
IN
(0.1A/div)
PSRR vs. Frequency
VOUT = 2.85V, IO = 50mA, CBYP=22nF
0
-10
-20
-30
-40
-50
-60
-70
10
100
1000
Frequency (Hz)
10000
Output Noise vs. Load Current
VOUTB = 2.85V, IO = 50mA, CBYP=22nF
90
80 T=85°C
70
T=25°C
60
50 T=-40°C
40
30
20
10
0
0
50
100
150
200
250
Output Current (mA)
Load Transient Response (Falling Edge)
V = 2.5V, V = 3.6V
OUT
IN
(0.1A/div)
(20mV/div)
Time (1ms/div)
(20mV/div)
Time (1ms/div)
6
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