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PDF IRF6637 Data sheet ( Hoja de datos )
| Número de pieza | IRF6637 | |
| Descripción | DirectFET Power MOSFET | |
| Fabricantes | International Rectifier | |
| Logotipo |  |
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PD - 96968
IRF6637www.DataSheet4U.com
l Lead and Bromide Free
l Low Profile (<0.7 mm)
l Dual Sided Cooling Compatible
l Ultra Low Package Inductance
l Optimized for High Frequency Switching
l Ideal for CPU Core DC-DC Converters
l Optimized for both Sync.FET and some Control FET
application
l Low Conduction and Switching Losses
l Compatible with existing Surface Mount Techniques
DirectFET Power MOSFET
Typical values (unless otherwise specified)
VDSS
VGS
RDS(on)
RDS(on)
30V max ±20V max 5.7mΩ@ 10V 8.2mΩ@ 4.5V
Qg tot Qgd Qgs2 Qrr Qoss Vgs(th)
11nC 4.0nC 1.0nC 20nC 9.9nC 1.8V
MP
DirectFET ISOMETRIC
Applicable DirectFET Outline and Substrate Outline (see p.7,8 for details)
SQ SX ST
MQ MX MT MP
Description
The IRF6637 combines the latest HEXFET® Power MOSFET Silicon technology with the advanced DirectFETTM packaging to achieve the
lowest on-state resistance in a package that has the footprint of a MICRO-8 and only 0.7 mm profile. The DirectFET package is compatible
with existing layout geometries used in power applications, PCB assembly equipment and vapor phase, infra-red or convection soldering
techniques, when application note AN-1035 is followed regarding the manufacturing methods and processes. The DirectFET package allows
dual sided cooling to maximize thermal transfer in power systems, improving previous best thermal resistance by 80%.
The IRF6637 balances both low resistance and low charge along with ultra low package inductance to reduce both conduction and switching
losses. The reduced total losses make this product ideal for high efficiency DC-DC converters that power the latest generation of processors
operating at higher frequencies. The IRF6637 has been optimized for parameters that are critical in synchronous buck operating from 12 volt
buss converters including Rds(on) and gate charge to minimize losses in the control FET socket.
Absolute Maximum Ratings
Parameter
VDS Drain-to-Source Voltage
VGS
ID @ TA = 25°C
ID @ TA = 70°C
ID @ TC = 25°C
IDM
EAS
IAR
Gate-to-Source Voltage
eContinuous Drain Current, VGS @ 10V
eContinuous Drain Current, VGS @ 10V
fContinuous Drain Current, VGS @ 10V
gPulsed Drain Current
hSingle Pulse Avalanche Energy
ÃgAvalanche Current
Max.
30
±20
14
11
59
110
31
11
Units
V
A
mJ
A
25 12
20
ID = 14A
10 ID= 11A
VDS= 24V
VDS= 15V
8
15
TJ = 125°C
10
5
2.0
TJ = 25°C
4.0 6.0 8.0
VGS, Gate-to-Source Voltage (V)
10.0
Fig 1. Typical On-Resistance Vs. Gate Voltage
Notes:
Click on this section to link to the appropriate technical paper.
Click on this section to link to the DirectFET Website.
Surface mounted on 1 in. square Cu board, steady state.
www.irf.com
6
4
2
0
0 4 8 12 16 20 24
QG Total Gate Charge (nC)
Fig 2. Typical Total Gate Charge vs Gate-to-Source Voltage
TC measured with thermocouple mounted to top (Drain) of part.
Repetitive rating; pulse width limited by max. junction temperature.
Starting TJ = 25°C, L = 0.52mH, RG = 25Ω, IAS = 11A.
1
2/15/05
1 page  
1000.0
100.0
10.0
TJ = 150°C
TJ = 25°C
TJ = -40°C
1.0
VGS = 0V
0.1
0.2 0.4 0.6 0.8 1.0 1.2
VSD, Source-to-Drain Voltage (V)
Fig 10. Typical Source-Drain Diode Forward Voltage
60
50
40
30
20
10
0
25 50 75 100 125 150
TC , Case Temperature (°C)
Fig 12. Maximum Drain Current vs. Case Temperature
160
120
1000
100
10
IRF6637
www.DataSheet4U.com
OPERATION IN THIS AREA
LIMITED BY R DS(on)
100µsec
1msec
1
TA = 25°C
Tj = 150°C
Single Pulse
0.1
0.10
1.00
10msec
10.00
100.00
VDS , Drain-toSource Voltage (V)
Fig11. Maximum Safe Operating Area
2.5
2.0
ID = 250µA
1.5
1.0
-75 -50 -25 0
25 50 75 100 125 150
TJ , Junction Temperature ( °C )
Fig 13. Typical Threshold Voltage vs. Junction
Temperature
ID
TOP 4.9A
7.5A
BOTTOM 11A
80
40
www.irf.com
0
25
50 75 100 125 150
Starting TJ, Junction Temperature (°C)
Fig 14. Maximum Avalanche Energy Vs. Drain Current
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet IRF6637.PDF ] | |
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