BUK438-800A Philips Semiconductors, BUK438-800A Datasheet

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BUK438-800A

Manufacturer Part Number
BUK438-800A
Description
PowerMOS transistor
Manufacturer
Philips Semiconductors
Datasheet
Philips Semiconductors
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.
PINNING - SOT429 (TO247)
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum System (IEC 134)
THERMAL RESISTANCES
February 1998
PowerMOS transistor
SYMBOL
V
V
I
I
I
P
T
T
SYMBOL PARAMETER
R
R
D
D
DM
PIN
V
stg
j
DS
DGR
tot
tab
th j-mb
th j-a
1
2
3
GS
gate
drain
source
drain
Thermal resistance junction to
mounting base
Thermal resistance junction to
ambient
PARAMETER
Drain-source voltage
Drain-gate voltage
Gate-source voltage
Drain current (DC)
Drain current (DC)
Drain current (pulse peak value)
Total power dissipation
Storage temperature
Junction temperature
DESCRIPTION
QUICK REFERENCE DATA
PIN CONFIGURATION
SYMBOL
V
I
P
R
D
DS
tot
DS(ON)
CONDITIONS
CONDITIONS
-
R
-
T
T
T
T
-
-
mb
mb
mb
mb
GS
1
= 25 ˚C
= 100 ˚C
= 25 ˚C
= 25 ˚C
= 20 k
PARAMETER
Drain-source voltage
Drain current (DC)
Total power dissipation
Drain-source on-state
resistance
2
1
3
MIN.
- 55
BUK438
-
-
-
-
-
-
-
-
SYMBOL
-800A
MIN.
7.6
4.8
30
-
-
-800A
MAX.
BUK438W-800A/B
800
220
7.6
1.5
MAX.
g
800
800
220
150
150
30
TYP.
Product specification
45
-
-800B
6.6
4.1
26
-800B
MAX.
d
800
220
s
6.6
2.0
MAX.
0.57
-
Rev 1.000
UNIT
UNIT
˚C
˚C
W
UNIT
V
V
V
A
A
A
K/W
K/W
W
V
A

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BUK438-800A Summary of contents

Page 1

... Drain-source on-state DS(ON) resistance PIN CONFIGURATION CONDITIONS MIN ˚ 100 ˚ ˚ ˚ CONDITIONS 1 Product specification BUK438W-800A/B MAX. MAX. UNIT -800A -800B 800 800 7.6 6.6 220 220 1.5 2.0 SYMBOL MAX. UNIT - 800 - 800 - 30 -800A -800B - 7.6 6 ...

Page 2

... 800 ˚ 800 =125 ˚ BUK438-800A 4.0 A BUK438-800B D CONDITIONS 4 MHz 2 ...

Page 3

... Fig.5. Typical output characteristics BUK438-800 100 100 ms 1000 = 25 ˚C Fig.6. Typical on-state resistance Product specification BUK438W-800A/B Zth j-mb / (K/ 0.5 0.2 0.1 0.1 0.05 0. 1E-07 1E-05 1E-03 1E- Fig.4. Transient thermal impedance f(t); parameter j-mb ...

Page 4

... 10000 80 100 120 140 Fig.12. Typical capacitances f Product specification BUK438W-800A/B VGS(TO max. typ. min. -60 -40 - 100 120 140 Fig.10. Gate threshold voltage. = f(T ); conditions mA SUB-THRESHOLD CONDUCTION ...

Page 5

... Fig.13. Typical turn-on gate-charge characteristics f(Q ); conditions 7.6 A; parameter February 1998 640 100 0 Fig.14. Typical reverse diode current f SDS 5 Product specification BUK438W-800A/B BUK4y8-800 150 25 0.2 0.4 0.6 0.8 1 1.2 VSDS / V ); conditions parameter T GS Rev 1.000 j ...

Page 6

... Observe the general handling precautions for electrostatic-discharge sensitive devices (ESDs) to prevent damage to MOS gate oxide. 2. Refer to mounting instructions for SOT429 envelopes. 3. Epoxy meets UL94 V0 at 1/8". February 1998 16 max 5.3 7.3 seating 15.5 max plane 2 1.1 0.4 M 5.45 5.45 Fig.15. SOT429 (TO247); pin 2 connected to mounting base. 6 Product specification BUK438W-800A/B 5.3 max 1.8 o 3.5 max 0.9 max Rev 1.000 ...

Page 7

... Philips customers using or selling these products for use in such applications their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. February 1998 BUK438W-800A/B 7 Product specification Rev 1.000 ...

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