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TPS28225 Datasheet(PDF) 9 Page - Texas Instruments

Part # TPS28225
Description  TPS28225 High-Frequency 4-A Sink Synchronous MOSFET Drivers
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS28225 Datasheet(HTML) 9 Page - Texas Instruments

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PWM 30ns
UGATE
LGATE
t ± Time ± 20 ns/div
VDD = 7.2 V, CL = 3 nF, TJ = 25
oC
PWM ± 2 V/div
UGATE ± 10 V/div
LGATE ± 10 V/div
t ± Time ± 5 és/div
3-St Trigger, High = 3-St
PWM
UGATE
LGATE
t ± Time ± 10 ns/div
VDD = 7.2 V, CL = 3 nF, TJ = 25
oC
PWM
UGATE
LGATE
t ± Time ± 10 ns/div
VDD = 7.2 V, CL = 3 nF, TJ = 25
oC
FSW - Switching Frequency - kHz
0
15
5
10
100
300
500
700
1500 1700
900
1100
1900
1300
0
200
1000
1200
400
600
800
100
300
500
700
1500 1700
FSW - Switching Frequency - kHz
900
1100
1900
1300
UG = 25 nC,
LG = 50 nC
UG = 50 nC, LG = 50 nC
UG = 25 nC,
LG = 100 nC
TPS28225
www.ti.com
SLUS710D – MAY 2006 – REVISED SEPTEMBER 2015
Typical Characteristics (continued)
Different Load
VDD = 7.2 V
TJ = 25°C
No Load
VDD = 7.2 V
TJ = 25°C
Charge
Figure 14. Bias Supply Current vs Switching Frequency
Figure 15. Driver Dissipated Power vs Switching Frequency
Figure 16. PWM Input Rising Switching Waveforms
Figure 17. PWM Input Falling Switching Waveforms
Figure 19. Normal and 3-State Operation Enter/Exit
Figure 18. Minimum UGATE Pulse Switching Waveforms
Conditions
Copyright © 2006–2015, Texas Instruments Incorporated
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