SC251 View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SC251' PDF : 19 Pages View PDF
POWER MANAGEMENT
Typical Characteristics (Cont.)
Oscillator Frequency vs. Temperature
1150
1100
1050
1000
950
900
850
-40
-20
0
20
40
60
80
100
120
140
Temperature(°C)
RDSON vs. Temperature
0.40
0.35
0.30
0.25
PMOS
Bypass FET
NMOS
0.20
0.15
0.10
-40 -25 -10 5
VIN=4V
20 35 50 65 80 95 110 125
TJ (° C)
SC251
0.35
0.3
0.25
0.2
0.15
0.1
2.5
RDSON vs. VIN
PMOS
NMOS
Bypass FET
3
3.5
4
VIN(V)
25°C
4.5
5
PMOS FET Leakage vs. Temperature
2
1.5
VIN=5V
1
VIN=4V
VIN=3.5V
0.5
VIN=2.7V
0
-0.5
-40
-15
10
35
60
85
TJ (°C)
PASS FET Leakage vs. Input Voltage
2
1.5
VIN=5V
1
VIN=4V
VIN=3.5V
0.5
VIN=2.7V
0
-0.5
-40
-15
10
35
TJ (°C)
60
85
© 2006 Semtech Corp.
15
Dynamic Supply Current vs. V
IN
6
5
4
3
2
1
0
2.5
3
3.5
4
4.5
5
5.5
VIN (V)
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