SC2620 Semtech Corporation, SC2620 Datasheet - Page 7

• Manufacturer Part Number: SC2620
• Description: 30V Step-down Regulator
• Manufacturer: Semtech Corporation

POWER MANAGEMENT
Typical Characteristics
2008 Semtech Corp.
-100
-120
-1 0 0
-20
-40
-60
-80
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-9 0
-9 2
-9 4
-9 6
-9 8
0
0.0
D i ffe re n ce V o ltag e v s T e m p e ratu re
-5 0
P G O O D 1 T h re sh o ld to V
-2 5
Soft-Start Pin Current
vs Soft-Start Voltage
0.5
T e m p e ra tu re (°C )
0
Swept Channel
2 5
V
I
Channel (V
SS
1.0
SS
I
SS
of the Other
(V)
of the
5 0
7 5
1.5
SS
T = 25°C
V
= 0)
IN
1 0 0 1 2 5
=5V
FB
2.0
90
85
80
75
70
65
60
55
50
45
40
4
3
2
1
0
0.0
0
Efficiency vs Load Current
vs Soft-Start Voltage
0.5
0.5
V
V
V
OUT1
OUT2
IN
Load Current (A)
Supply Current
= 3.3V
= 1.2V
7
V
Figure 1(a), V
1.0
SS
1
V
V
V
V
(V)
IN
COMP1
COMP2
SS1
= 5V
= V
T
1.5
A
= 0
= 0
1.5
SS2
= 25°C
IN
=12V
2.0
2
1.0
0.9
0.8
0.7
0.6
0.5
-50
-25
FB Overload Threshold
vs Temperature
Temperature (°C)
0
25
50
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SC2620
75
100 125