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BUK438-800A 데이터시트 PDF




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기능 PowerMOS transistor
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BUK438-800A 데이터시트, 핀배열, 회로
Philips Semiconductors
PowerMOS transistor
Product specification
BUK438W-800A/B
GENERAL DESCRIPTION
N-channel enhancement mode
field-effect power transistor in a
plastic envelope.
The device is intended for use in
Switched Mode Power Supplies
(SMPS), motor control, welding,
DC/DC and AC/DC converters, and
in general purpose switching
applications.
QUICK REFERENCE DATA
SYMBOL PARAMETER
VDS
ID
Ptot
RDS(ON)
BUK438
Drain-source voltage
Drain current (DC)
Total power dissipation
Drain-source on-state
resistance
MAX.
-800A
800
7.6
220
1.5
MAX.
-800B
800
6.6
220
2.0
UNIT
V
A
W
PINNING - SOT429 (TO247)
PIN DESCRIPTION
1 gate
2 drain
3 source
tab drain
PIN CONFIGURATION
1 23
SYMBOL
d
g
s
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum System (IEC 134)
SYMBOL PARAMETER
CONDITIONS
MIN.
VDS
VDGR
±VGS
Drain-source voltage
Drain-gate voltage
Gate-source voltage
-
RGS = 20 k
-
-
-
-
ID Drain current (DC)
Tmb = 25 ˚C
ID Drain current (DC)
Tmb = 100 ˚C
IDM Drain current (pulse peak value) Tmb = 25 ˚C
Ptot Total power dissipation
Tstg Storage temperature
Tj Junction temperature
Tmb = 25 ˚C
-
-
-
-
-
-
- 55
-
THERMAL RESISTANCES
SYMBOL
Rth j-mb
Rth j-a
PARAMETER
Thermal resistance junction to
mounting base
Thermal resistance junction to
ambient
CONDITIONS
MAX.
800
800
30
-800A
7.6
4.8
30
-800B
6.6
4.1
26
220
150
150
UNIT
V
V
V
A
A
A
W
˚C
˚C
MIN. TYP. MAX. UNIT
- - 0.57 K/W
- 45 - K/W
February 1998
1
Rev 1.000




BUK438-800A pdf, 반도체, 판매, 대치품
Philips Semiconductors
PowerMOS transistor
Product specification
BUK438W-800A/B
20 ID / A
BUK4y8-800A
15 Tj / C = 25
10
150
5
0
02468
VGS / V
Fig.7. Typical transfer characteristics.
ID = f(VGS) ; conditions: VDS = 25 V; parameter Tj
gfs / S
15
BUK4y8-800A
10
5
0
0 5 10 15
ID / A
Fig.8. Typical transconductance, Tj = 25 ˚C.
gfs = f(ID); conditions: VDS = 25 V
a Normalised RDS(ON) = f(Tj)
2
1
0
-60 -40 -20 0 20 40 60 80 100 120 140
Tj / C
Fig.9. Normalised drain-source on-state resistance.
a = RDS(ON)/RDS(ON)25 ˚C = f(Tj); ID = 4 A; VGS = 10 V
VGS(TO) / V
4
3
2
max.
typ.
min.
1
0
-60 -40 -20 0 20 40 60 80 100 120 140
Tj / C
Fig.10. Gate threshold voltage.
VGS(TO) = f(Tj); conditions: ID = 1 mA; VDS = VGS
1E-01 ID / A
SUB-THRESHOLD CONDUCTION
1E-02
1E-03
2 % typ 98 %
1E-04
1E-05
1E-06
01234
VGS / V
Fig.11. Sub-threshold drain current.
ID = f(VGS); conditions: Tj = 25 ˚C; VDS = VGS
10000
1000
100
Ciss
Coss
Crss
10
0 20 40
VDS / V
Fig.12. Typical capacitances, Ciss, Coss, Crss.
C = f(VDS); conditions: VGS = 0 V; f = 1 MHz
February 1998
4
Rev 1.000

4페이지










BUK438-800A 전자부품, 판매, 대치품
Philips Semiconductors
PowerMOS transistor
Product specification
BUK438W-800A/B
DEFINITIONS
Data sheet status
Objective specification This data sheet contains target or goal specifications for product development.
Preliminary specification This data sheet contains preliminary data; supplementary data may be published later.
Product specification This data sheet contains final product specifications.
Limiting values
Limiting values are given in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one
or more of the limiting values may cause permanent damage to the device. These are stress ratings only and
operation of the device at these or at any other conditions above those given in the Characteristics sections of
this specification is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
© Philips Electronics N.V. 1998
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the
copyright owner.
The information presented in this document does not form part of any quotation or contract, it is believed to be
accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any
consequence of its use. Publication thereof does not convey nor imply any license under patent or other
industrial or intellectual property rights.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices or systems where malfunction of these
products can be reasonably expected to result in personal injury. Philips customers using or selling these products
for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting
from such improper use or sale.
February 1998
7
Rev 1.000

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