SC4525A Semtech Corporation, SC4525A Datasheet - Page 8

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SC4525A

Manufacturer Part Number
SC4525A
Description
28V 3A Step-Down Switching Regulator
Manufacturer
Semtech Corporation
Datasheet

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SS270 REV 6-7
SS270 REV 6-7
Typical Characteristics (Cont.)
3.0
2.9
2.8
2.7
2.6
2.5
2.4
(14)
2.5
2.0
1.5
1.0
0.5
0.0
(11)
-50
0
V
IN
V
Thresholds vs Temperature
-25
IN
5
Quiescent Current vs V
Temperature (
0
10
UVLO
Start
25
V
125
IN
15
(V)
50
o
C
-40
V
o
20
o
C
COMP
C)
75
SS270 REV 6-7
SS270 REV 6-7
= 0
25
100 125
IN
30
0.40
0.35
0.30
0.25
0.20
2.5
2.0
1.5
1.0
0.5
0.0
(15)
-50
0
Vin Shut down current
-25
SS Shutdown Threshold
vs Soft-Start Voltage
V
0.5
Temperature (
IN
vs Temperature
0
Supply Current
25
V
125
-40
SS
1
o
(V)
o
C
50
C
o
75
C)
1.5
SS270 REV 6-7
SS270 REV 6-7
100 125
2
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
100
0.0
80
60
40
20
0
0
0
V
V
Soft-Start Charging Current
IN
SS
5
Shutdown Current vs V
= 0
vs Soft-Start Voltage
0.5
125
10
-40
o
C
V
V
o
SS
C
IN
15
1
(V)
(V)
SC4525A
20
1.5
125
-40
25
IN
o
o
C
C
30
2
8

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