Datasheet

0
200
1000
1200
400
600
800
100 300 500 700 1500 1700900 1100 19001300
U
G
= 50 nC
L
G
= 50 nC
U
G
= 25 nC
L
G
= 50 nC
U
G
= 25 nC
L
G
= 100 nC
F
SW
− Switching Frequency − kHz
P
DISS
− Dissipated Power − mW
0
15
5
10
100 300 500 700 1500 1700900 1100 19001300
F
SW
− Switching Frequency − kHz
I
DD
− Bias Supply Current − mA
PWM
UGATE
LGATE
V
DD
= 7.2 V, C
L
= 3 nF, T
J
= 25°C
t − Time − 10 ns/div.
Voltage − 5 V/div.
PWM
UGATE
LGATE
V
DD
= 7.2 V, C
L
= 3 nF, T
J
= 25°C
t − Time − 10 ns/div.
Voltage − 5 V/div.
TPS28225
TPS28226
SLUS710C –MAY 2006–REVISED APRIL 2010 www.ti.com
TYPICAL CHARACTERISTICS (continued)
BIAS SUPPLY CURRENT DRIVER DISSIPATED POWER
vs vs
SWITCHING FREQUENCY SWITCHING FREQUENCY
(V
DD
= 7.2 V, No Load, T
J
= 25°C) (Different Load Charge, V
DD
= 7.2 V, T
J
= 25°C)
Figure 13. Figure 14.
PWM INPUT RISING SWITCHING WAVEFORMS PWM INPUT FALLING SWITCHING WAVEFORMS
Figure 15. Figure 16.
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