Datenblatt-Suchmaschine für elektronische Bauteile
  German  ▼
ALLDATASHEETDE.COM

X  

STD90NH02L Datenblatt(PDF) 9 Page - STMicroelectronics

Teilenummer STD90NH02L
Bauteilbeschribung  N-channel 24V - 0.0052ohm - 60A - DPAK/IPAK STripFET TM Power MOSFET
Download  16 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STD90NH02L Datenblatt(HTML) 9 Page - STMicroelectronics

Back Button STD90NH02L_06 Datasheet HTML 5Page - STMicroelectronics STD90NH02L_06 Datasheet HTML 6Page - STMicroelectronics STD90NH02L_06 Datasheet HTML 7Page - STMicroelectronics STD90NH02L_06 Datasheet HTML 8Page - STMicroelectronics STD90NH02L_06 Datasheet HTML 9Page - STMicroelectronics STD90NH02L_06 Datasheet HTML 10Page - STMicroelectronics STD90NH02L_06 Datasheet HTML 11Page - STMicroelectronics STD90NH02L_06 Datasheet HTML 12Page - STMicroelectronics STD90NH02L_06 Datasheet HTML 13Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 9 / 16 page
background image
STD90NH02L- STD90NH02L-1
Appendix A
9/16
4
Appendix A
The power losses associated with the FETs in a synchronous buck converter can be
estimated using the equations shown in the table below. The formulas give a good
approximation, for the sake of performance comparison, of how different pairs of devices
affect the converter efficiency. However a very important parameter, the working
temperature, is not considered. The real device behavior is really dependent on how the
heat generated inside the devices is removed to allow for a safer working junction
temperature.
The low side (SW2) device requires:
Very low RDS(on) to reduce conduction losses
Small Qgls to reduce the gate charge losses
Small Coss to reduce losses due to output capacitance
Small Qrr to reduce losses on SW1 during its turn-on
The Cgd/Cgs ratio lower than Vth/Vgg ratio especially with low drain to source
voltage to avoid the cross conduction phenomenon;
The high side (SW1) device requires:
Small Rg and Ls to allow higher gate current peak and to limit the voltage feedback on
the gate
Small Qg to have a faster commutation and to reduce gate charge losses
Low RDS(on) to reduce the conduction losses.
Figure 19.
Buck converter: power losses estimation
Table 6.
Power losses calculation
High side switching (SW1)
Low side switch (SW2)
Pconduction
Pswitching
Zero Voltage Switching
δ
*
I
*
R
2
L
DS(on)SW1
)
1
(
*
I
*
R
2
L
DS(on)SW2
δ
g
L
I
I
*
f
*
)
Q
(Q
*
V
gd(SW1)
gsth(SW1)
in
+


Ähnliche Teilenummer - STD90NH02L_06

HerstellerTeilenummerDatenblattBauteilbeschribung
logo
VBsemi Electronics Co.,...
STD90NH02L-1 VBSEMI-STD90NH02L-1 Datasheet
996Kb / 7P
   N-Channel 30-V (D-S) MOSFET
More results

Ähnliche Beschreibung - STD90NH02L_06

HerstellerTeilenummerDatenblattBauteilbeschribung
logo
STMicroelectronics
STD90N02L STMICROELECTRONICS-STD90N02L Datasheet
805Kb / 17P
   N-channel 24V - 0.0052ohm - 60A - DPAK - IPAK STripFET TM III Power MOSFET
STD100NH02L STMICROELECTRONICS-STD100NH02L_06 Datasheet
475Kb / 16P
   N-channel 24V - 0.0042ohm - 60A - DPAK - IPAK STripFET TM II Power MOSFET
STD70N02L STMICROELECTRONICS-STD70N02L Datasheet
817Kb / 17P
   N-channel 24V - 0.0068ohm - 60A - DPAK - IPAK STripFET TM III Power MOSFET
STB100NH02L STMICROELECTRONICS-STB100NH02L Datasheet
409Kb / 13P
   N-CHANNEL 24V - 0.0052ohm - 60A D2PAK STripFET TM III POWER MOSFET
STD100NH02L STMICROELECTRONICS-STD100NH02L Datasheet
474Kb / 12P
   N-channel 24V - 0.0042 - 60A - DPAK - IPAK STripFET II Power MOSFET
STD70NH02L STMICROELECTRONICS-STD70NH02L Datasheet
490Kb / 16P
   N-CHANNEL 24V - 0.0062 Ohm - 60A IPAK/DPAK STripFET II Power MOSFET
STD60NH03L STMICROELECTRONICS-STD60NH03L_06 Datasheet
503Kb / 16P
   N-channel 30V - 0.0075ohm - 60A - DPAK/IPAK STripFET TM III Power MOSFET
STD38NH02L STMICROELECTRONICS-STD38NH02L_06 Datasheet
496Kb / 16P
   N-channel 24V - 0.011ohm - 38A - DPAK/IPAK STripFET TM III Power MOSFET
STD90NH02L STMICROELECTRONICS-STD90NH02L Datasheet
510Kb / 12P
   N-CHANNEL 24V - 0.0052 ohm - 60A DPAK/IPAK STripFET??III POWER MOSFET
STD50NH02L STMICROELECTRONICS-STD50NH02L_06 Datasheet
500Kb / 16P
   N-channel 24V - 0.0085ohm - 50A - DPAK/IPAK STripFET TM III Power MOSFET
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16


Datenblatt Download

Go To PDF Page


Link URL




Privatsphäre und Datenschutz
ALLDATASHEETDE.COM
War ALLDATASHEET hilfreich?  [ DONATE ] 

Über Alldatasheet   |   Werbung   |   Kontakt   |   Privatsphäre und Datenschutz   |   Linktausch   |   Hersteller
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com