Philips Semiconductors
Product specification
TOPFET high side switch
BUK205-50Y
SMD version of BUK201-50Y
Fig.4. High side switch measurements schematic.
(current and voltage conventions)
Fig.5. Normalised limiting power dissipation.
P
D
% = 100
⋅
P
D
/P
D
(25 ˚C) = f(T
mb
)
Fig.6. Limiting continuous on-state load current.
I
L
= f(T
mb
); conditions: V
IG
= 5 V, V
BG
= 13 V
Fig.7. Typical on-state characteristics, T
j
= 25 ˚C.
I
L
= f(V
BL
); parameter V
BG
; t
p
= 250
µ
s
Fig.8. Typical on-state resistance, T
j
= 25 ˚C.
R
ON
= f(V
BG
); conditions: I
L
= 7.5 A; t
p
= 300
µ
s
Fig.9. Typical on-state resistance, t
p
= 300
µ
s.
R
ON
= f(T
j
); parameter V
BG
; condition I
L
= 1.5 A
L
I
S
TOPFET
HSS
B
G
IB
IG
II
IS
IL
VBG
VIG
VSG
RS
VLG
LOAD
VBL
0
0.5
1
1.5
2
0
10
20
30
40
BUK205-50Y
VBL / V
IL / A
6
7
13
5
VBG / V =
0
20
40
60
80
100
120
140
Tmb / C
PD%
Normalised Power Derating
120
110
100
90
80
70
60
50
40
30
20
10
0
1
10
100
0
10
20
30
40
50
60
70
80
90
100
BUK205-50Y
VBG / V
RON / mOhm
0
50
100
150
0
5
10
15
20
BUK205-50Y
Tmb / C
IL / A
BUK205-50Y
Tmb / C
-60
-20
20
60
100
140
180
RON / mOhm
0
50
100
150
VBG =
5 V
13 V
typ.
July 1996
6
Rev 1.000
