SC198 Semtech, SC198 Datasheet - Page 6

• Manufacturer Part Number: SC198
• Description: Dual DC-DC Buck Converter
• Manufacturer: Semtech

POWER MANAGEMENT
Block Diagram
© 2007 Semtech Corp.
VOUTA
CTLA0
CTLA1
CTLA2
GNDA
VINR
SYNC
ENA
VINA
LXA
Voltage Select
VREF2
N Limit Amp
Current
Amp
P Limit Amp
VREF3
VREF1
Amp A
Error
Switching Control Logic
Amp A
Slope Generator
Error
Comp
PWM
Oscillator and
References
Voltage
6
Amp B
Comp
PWM
Error
VREF1
VREF2
VREF3
Amp B
Error
VREF1
P Limit Amp
VREF3
N Limit Amp
Current
Amp
Voltage Select
VREF2
www.DataSheet4U.com
www.semtech.com
SC198
GNDR
VOUTB
VINB
CTLB0
CTLB1
CTLB2
GNDB
LXB
ENB