sc120skevb Semtech Corporation, sc120skevb Datasheet - Page 19

• Manufacturer Part Number: sc120skevb
• Description: Low Voltage Synchronous Boost Regulator
• Manufacturer: Semtech Corporation

Block Diagram
EN
FB
IN
Oscillator and
Selection Logic
Output Voltage
Generator
Slope
Oscillator
+
-
Start-up
+
-
1.2 V
V
Amp.
Error
REF
+
-
Comp.
PWM
Comp.
Slope
Control
PWM
Comp.
V
OUT
+
-
+
-
Gate Drive
1.7 V
Control
Amplifier
Logic
Amplifier
and
Current
N
LIM
Amp.
P
LIM
+
+
+
-
-
-
Bulk
Bias
SC120
LX
OUT
GND
19