BUK125-50L,127

Philips Semiconductors Product specification
Logic level TOPFET BUK125-50L
TO-220 version of BUK136-50L
PROTECTION SUPPLY CHARACTERISTICS
Limits are for -40˚C T
mb
150˚C; typicals are for T
mb
= 25˚C.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Protection & detection
V
PSF
Threshold voltage
1
I
F
= 100 µA; V
DS
= 5 V 2.5 3.45 4 V
Normal operation or
protection latched
I
PS
, I
PSL
Supply current V
PS
= 4.5 V - 210 450 µA
V
(CL)PS
Clamping voltage I
P
= 1.5 mA 5.5 6.5 8.5 V
Overload protection latched
V
PSR
Reset voltage 1 1.8 3 V
t
pr
Reset time V
PS
1 V 10 45 120 µs
OPEN CIRCUIT LOAD DETECTION CHARACTERISTICS
An open circuit load condition can be detected while the TOPFET is in the off-state. Refer to TRUTH TABLE.
V
PS
= 5 V. Limits are for -40˚C T
mb
150˚C and typicals are for T
mb
= 25˚C.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
I
DSP
Off-state drain current
2
V
IS
= 0 V; 2 V V
DS
40 V 0.9 1.8 2.7 mA
V
DSF
Drain threshold voltage
3
V
IS
= 0 V 0.2 1 2 V
V
ISF
Input threshold voltage
4
I
D
= 100 µA 0.3 0.8 1.1 V
OVERLOAD CHARACTERISTICS
T
mb
= 25˚C unless otherwise specified.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Short circuit load protection V
PS
> 4 V
I
D
Drain current limiting
5
V
IS
= 5 V; -40˚C T
mb
150˚C40 62 84 A
P
D(TO)
Overload power threshold for protection to operate 90 220 330 W
T
DSC
Characteristic time which determines trip time
6
250 500 700 µs
Overtemperature protection V
PS
= 5 V
T
j(TO)
Threshold temperature from I
D
4 A or V
DS
> 0.2 V 150 170 - ˚C
1 When V
PS
is less than V
PSF
the flag pin indicates low protection supply voltage. Refer to TRUTH TABLE.
2 The drain source current which flows in a normal load when the protection supply is high and the input is low.
3 If V
DS
< V
DSF
then the flag indicates open circuit load.
4 For open circuit load detection, V
IS
must be less than V
ISF
.
5 Product specification will include curve showing output characteristics.
6 Trip time t
d sc
varies with overload dissipation P
D
according to the formula t
d sc
~ T
DSC
/ ln[ P
D
/ P
D(TO)
].
January 2003 4 Rev 1.010
Philips Semiconductors Product specification
Logic level TOPFET BUK125-50L
TO-220 version of BUK136-50L
TRUTH TABLE
For normal, open-circuit load and overload conditions or inadequate protection supply voltage.
Assumes proper external pull-up for flag pin. Refer to
FLAG CHARACTERISTICS.
CONDITION PROTECTION INPUT FLAG OUTPUT
Normal on-state 1 1 0 ON
Normal off-state 1 0 0 OFF
Open circuit load 1 1 0 ON
Open circuit load 1 0 1 OFF
Short circuit load
1
1 1 1 OFF
Over temperature 1 X 1 OFF
Low protection supply voltage 0 1 1 ON
Low protection supply voltage 0 0 1 OFF
KEY 0 equals low
1 equals high
X equals dont care.
FLAG CHARACTERISTICS
The flag is an open drain transistor which requires an external pull-up circuit.
Limits are for -40˚C T
mb
150˚C; typicals are for T
mb
= 25˚C.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Flag ‘low’ normal operation; V
PS
= 5 V
V
FSF
Flag voltage I
F
= 100 µA - 0.8 1 V
I
FSF
Flag saturation current V
FS
= 5 V - 10 - mA
Flag ‘high’ overload or fault
I
FSO
Flag leakage current V
FS
= 5 V - 0.1 10 µA
V
(CL)FS
Flag clamping voltage I
F
= 100 µA 5.5 6.2 8.5 V
Application information
R
F
Suitable external pull-up V
FF
= 5 V - 47 - k
resistance
SWITCHING CHARACTERISTICS
T
mb
= 25˚C; R
I
= 50 ; R
IS
= 50 ; V
DD
= 15 V; resistive load R
L
= 10 .
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
t
d on
Turn-on delay time V
IS
: 0 V 5 V - 1.8 5 µs
t
r
Rise time - 3.5 8 µs
t
d off
Turn-off delay time V
IS
: 5 V 0 V - 11 30 µs
t
f
Fall time - 5 12 µs
1 In this condition the protection circuit is latched. To reset the latch the protection pin must be taken low. Refer to PROTECTION SUPPLY
CHARACTERISTICS.
January 2003 5 Rev 1.010
Philips Semiconductors Product specification
Logic level TOPFET BUK125-50L
TO-220 version of BUK136-50L
MECHANICAL DATA
Fig.4. SOT263B package
1
leadform 263B-01, pin 3 connected to mounting base.
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION
ISSUE DATE
IEC JEDEC EIAJ
SOT263B-01
5-lead (option)
TO-220
D
D
1
q
L
15
L
3
mounting
base
L
4
m
e
Q
b
0 5 10 mm
scale
Plastic single-ended package; heatsink mounted; 1 mounting hole;
5-lead TO-220 lead form option
SOT263B-01
UNIT
A
1
D
1
eL p
mm
1.7
L
1
L
2
q
3.0
2.7
4.5
4.1
1.39
1.27
0.85
0.70
0.7
0.4
15.8
15.2
6.4
5.9
10.3
9.7
9.8
9.7
5.9
5.3
5.2
5.0
2.4
1.6
0.8
0.6
3.8
3.6
p
1
4.3
4.1
Q
1
Q
2.0 4.5
Q
2
8.2
R
0.5
w
0.4
DIMENSIONS (mm are the original dimensions)
A
b
D
c
0.5
L
3
(1)
L
4
(2)
max.
E
m
A
A
1
c
Q
1
Q
2
Notes
1. Terminal dimensions are uncontrolled in this zone.
2. Positional accuracy of the terminals is controlled in this zone.
L
1
L
2
R
R
w M
01-01-11
p
p
1
E
1 Refer to mounting instructions for TO220 envelopes. Epoxy meets UL94 VO at 1/8". Net mass: 2 g
January 2003 6 Rev 1.010

BUK125-50L,127

Mfr. #:
Manufacturer:
NXP Semiconductors
Description:
TOPFET LOGIC LVL 50V TO220-5
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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