SC198A Semtech, SC198A Datasheet - Page 7

• Manufacturer Part Number: SC198A
• Description: Dual DC-DC Buck Converter
• Manufacturer: Semtech

Typical Characteristics
-0.05
-0.15
0.15
0.05
-0.1
-0.2
0.2
0.1
100
100
90
80
70
60
50
40
30
20
10
0
90
80
70
60
50
40
30
20
10
0
0
2.7
0.001
0.001
V
V
V
OUT
OUT
OUT
V
V
OUT
Effi ciency vs. Load at V
= 1.0V PSAVE
Effi ciency vs. Load at V
= 1.8V PWM
OUT
= 1.8V PSAVE
V
OUT
= 1.8V PSAVE
= 1.0V PSAVE
= 1.8V PWM
3.26
V
OUT
Line Regulation at 300mA
= 1.8V PWM
0.01
0.01
V
OUT
3.82
V
V
OUT
OUT
= 1.0 PWM
Load (A)
Load (A)
Input (V)
= 1.0 PWM
= 1.0 PWM
IN
IN
4.38
= 5.5V, Side A
= 2.7V, Side A
0.1
0.1
4.94
1
1
5.5
100
100
-1
-2
-3
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
3
2
1
0
0
0
0.001
0.001
0.001
V
V
V
OUT
V
OUT
V
OUT
OUT
OUT
Load Regulation — V
V
Effi ciency vs. Load at V
Effi ciency vs. Load at V
= 1.8V PSAVE
OUT
= 1.8V PSAVE
= 1.0V PSAVE
= 1.8V PWM
= 1.0V PSAVE
= 1.8V PWM
0.01
0.01
V
0.01
OUT
V
OUT
= 1.0 PWM
= 1.0 PWM
Load (A)
Load (A)
Load (A)
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OUT
IN
IN
=1.8V, V
= 5.5V, Side B
= 3.6V, Side A
0.1
V
0.1
0.1
OUT
V
OUT
= 1.8V PWM
SC198A
= 1.0 PWM
IN
=3.6V
1
1
1
7