SI9122A_08 VISHAY [Vishay Siliconix], SI9122A_08 Datasheet - Page 7

• Manufacturer Part Number: SI9122A_08
• Description: 500-kHz Half-Bridge DC/DC Controller with Integrated Secondary Synchronous Rectification Drivers
• Manufacturer: VISHAY [Vishay Siliconix]

TIMING DIAGRAM FOR MOS DRIVERS
Document Number: 73492
S-80038-Rev. D, 14-Jan-08
V
GND
GND
GND
V
GND
GND
D
V
V
V
V
BST
MID
H
CC
CC
CC
CC
SR
SR
, L
X
H
L
t
BBM1
PWM
SR
D
D
t
H
L
BBM1
L
t
BBM2
D
H
D
t
, L
BBM3
L
X
PWM
SR
D
H
H
t
t
BBM2
BBM4
D
H
, L
Figure 3.
PWM
X
SR
D
D
L
H
L
t
BBM3
50 %
50 %
Return to: Specification Table
SR
D
L
X
PWM
H
L
SR
D
H
H
t
BBM4
Rectification Timing Sequence
Primary MOSFET Drivers
Secondary MOSFET Drivers
BST = L
V L
V
V
GND
V
GND
MID
CC
CC
X
Vishay Siliconix
X
+ V
CC
Si9122A
www.vishay.com
Time
7