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TPS40490MHRHDT Fiches technique(PDF) 11 Page - Texas Instruments

No de pièce TPS40490MHRHDT
Description  5-V to 60-V WIDE-INPUT SYNCHRONOUS PWM BUCK CONTROLLER
Download  38 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS40490MHRHDT Fiches technique(HTML) 11 Page - Texas Instruments

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TPS40490
www.ti.com
SLVSCB4 – OCTOBER 2013
TYPICAL CHARACTERISTICS (continued)
Figure 7. Switching node signals 24Vin, Vo=12V, 0A
Figure 8. Switching node signals 24Vin, Vo=12V, 6A
Ch1 (yellow): Vgate_high (measured on FET),
Ch1 (yellow): Vdrive_external), Ch2 (blue): switching node
Ch3 (purple): Vout, Ch4 (green): Vin
Ch2 (blue): switching node, Ch3 (purple): Vgate_low
(measured on FET), Ch4 (green): Load current
Figure 9. Detailed fall time plots, 24Vin, Vo=12V 6A out
Figure 10. Detailed rise time plots, 24Vin, Vo=12V 6A out
Ch1 (yellow): Vgate_high (measured on FET),
Ch1 (yellow): Vgate_high (measured on FET),
Ch2 (blue): switching node Ch3 (purple): Vgate_low
Ch2 (blue): switching node Ch3 (purple): Vgate_low
(measured on FET), Ch4 (green): Load current.
(measured on FET), Ch4 (green): Load current.
Figure 11. Sw node 1.8MHz
Figure 12. Sw node 4.7MHz operation 22Vin Vo=4.7V, Io=6A
Ch1 (yellow): Switching node, Ch2 (blue): Vout
Ch3 (purple): COMP, Ch4 (green): Load current.
Copyright © 2013, Texas Instruments Incorporated
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