SC2608B Semtech Corporation, SC2608B Datasheet - Page 5

• Manufacturer Part Number: SC2608B
• Description: Synchronous Voltage Mode PWM Controller
• Manufacturer: Semtech Corporation

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POWER MANAGEMENT
Gate Drive Timing Diagram
Block Diagram
©
2007 Semtech Corp.
SENSE
SENSE
REF
REF
0.8V
0.8V
+
+
-
-
E/A
E/A
OSC
OSC
COMP/SS
COMP/SS
0
0
+
+
-
-
PWM
PWM
Figure 2
Figure 3
OCP &
OCP &
UVLO
UVLO
VCC
VCC
5
S
S
R
R
OCP
OCP
+
+
-
-
Q
Q
PHASE
PHASE
NON-OVERLAP
NON-OVERLAP
TIMING
TIMING
0
0
LEVEL
LEVEL
SHIFT
SHIFT
VCC
VCC
0
0
0
0
SC2608B
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BST
BST
PHASE
PHASE
Vcc
Vcc
DH
DH
DL
DL
GND
GND