SC198A Semtech, SC198A Datasheet - Page 6

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

Block Diagram
VOUTA
CTLA0
CTLA2
CTLA1
SYNC
GNDA
VINR
ENA
VINA
LXA
17
18
20
1
2
3
5
7
4
6
VREF2
Voltage
N Limit Amp
Select
Current
Amp
VREF3
P Limit
Amp
VREF1
Comp
Error
PWM
Amp
A
Switching Control Logic
Slope Generator
Oscillator and
Error
Amp
References
A
Voltage
Error
Amp
B
Comp
PWM
VREF1
VREF2
VREF3
VREF1
Error
Amp
B
P Limit
Amp
VREF3
Current
N Limit Amp
Amp
Voltage
Select
VREF2
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SC198A
12
15
14
13
16
11
10
9
8
VINB
GNDB
CTLB1
CTLB2
GNDR
VOUTB
CTLB0
ENB
LXB
6