BUK438W-800A Datasheet, PDF (1/7 Pages) NXP Semiconductors – PowerMOS transistor

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
V_DS
I_D
P_tot
R_DS(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
Ω
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.
V_DS
V_DGR
±V_GS
Drain-source voltage
Drain-gate voltage
Gate-source voltage
-
-
R_GS = 20 kΩ
-
-
-
I_D
Drain current (DC)
T_mb = 25 ˚C
-
I_D
Drain current (DC)
T_mb = 100 ˚C
-
I_DM
Drain current (pulse peak value) T_mb = 25 ˚C
-
P_tot
Total power dissipation
T_stg
Storage temperature
T_j
Junction temperature
T_mb = 25 ˚C
-
-
- 55
-
-
THERMAL RESISTANCES
SYMBOL
R_{th j-mb}
R_{th 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