Philips Semiconductors Product specification
PowerMOS transistor BUK127-50DL
Logic level TOPFET
OVERLOAD PROTECTION CHARACTERISTICS
TOPFET switches off to protect itself when one of the overload thresholds is exceeded.
It remains latched off until reset by the input.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Overload protection -40˚C ≤ T
j
≤ 150˚C
I
D
Drain current limiting V
IS
= 5 V 0.8 1.3 1.7 A
V
IS
= 4.5 V 0.7 - - A
V
IS
= 4 V to 5.5 V 0.6 - 1.8 A
Short circuit load protection V
IS
= 5 V
P
D(TO)
Overload power threshold for protection to operate - 17 - W
T
DSC
Characteristic time which determines trip time
1
- 1.6 - ms
Overtemperature protection from I
D
≥ 280 mA or V
DS
≥ 100 mV
T
j(TO)
Threshold junction temperature V
IS
= 4 V to 5.5 V 150 165 - ˚C
SWITCHING CHARACTERISTICS
T
a
= 25˚C; resistive load R
L
= 50 Ω; adjust V
DD
to obtain I
D
= 250 mA; refer to test circuit and waveforms
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
t
d on
Turn-on delay time V
IS
: 0 V ⇒ 5 V - 5 12 µs
t
r
Rise time - 11 30 µs
t
d off
Turn-off delay time V
IS
: 5 V ⇒ 0 V - 25 65 µs
t
f
Fall time - 14 35 µs
REVERSE DIODE LIMITING VALUE
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
I
S
Continuous forward current T
mb
≤ 25 ˚C; V
IS
= 0 V - 2 A
REVERSE DIODE CHARACTERISTICS
Limits are for -40˚C ≤ T
mb
≤ 150˚C; typicals are for T
mb
= 25˚C unless otherwise specified
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
V
SDO
Forward voltage I
S
= 2 A; V
IS
= 0 V; t
p
= 300 µs - 0.83 1.1 V
t
rr
Reverse recovery time not applicable
2
----
1 Trip time t
d sc
varies with overload dissipation P
D
according to the formula t
d sc
≈ T
DSC
/ [ P
D
/ P
D(TO)
- 1 ].
2 The reverse diode of this type is not intended for applications requiring fast reverse recovery.
October 2001 4 Rev 1.011