Datasheet

Normal switching
PWM
LGATE
UGATE
3-State
window
90%
10%
t
DLL
50%
t
FL
50%
t
PWM_MIN
t
DTU
90%
10%
t
RU
90%
10%
t
DLU
t
FU
t
DTL
90%
10%
t
RL
t
HLD_R
90%
10%
90%
90%
t
HLD_F
Enter into 3-State
at PWM rise
Exit 3-State
Enter into 3-State
at PWM fall
UGATE exits 3-State after PWM
goes Low and then High
Normal switching
PWM
LGATE
UGATE
3-State
window
90%
10%
t
DLL
50%
t
FL
50%
t
PWM_MIN
t
DTU
90%
10%
t
RU
90%
10%
t
DLU
t
FU
t
DTL
90%
10%
t
RL
t
HLD_R
90%
10%
90%
90%
t
HLD_F
Enter into 3-State at
PWM rise
Exit 3-State
Enter into 3-State at
PWM fall
LGATE exits 3-State after PWM
goes High and then Low
TPS28225
TPS28226
SLUS710C –MAY 2006–REVISED APRIL 2010 www.ti.com
TPS28225 TIMING DIAGRAM
TPS28226 TIMING DIAGRAM
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Product Folder Link(s): TPS28225 TPS28226