buk221 NXP Semiconductors, buk221 Datasheet - Page 10

• Manufacturer Part Number: buk221
• Description: Buk221-50dy Dual Channel High-side Topfet Tm
• Manufacturer: NXP Semiconductors

Philips Semiconductors
8. Dynamic characteristics
Table 7:
T
Table 8:
T
Table 9:
T
[1]
[2]
Table 10:
Limits are valid for 40 C
9397 750 11167
Product data
Symbol
Turn-on measured from the input going HIGH
t
dV/dt
t
Turn-off measured from the input going LOW
t
dV/dt
t
Symbol
C
Per channel
C
C
Symbol
P
t
Symbol
Measured from when the input goes LOW to when the status goes LOW
t
d(on)
on
d(off)
off
BL(d)(sc)
d(oc)
mb
mb
mb
BL(OV)(th)
sg
ig
bl
= 25 C; V
= 25 C; f = 1 MHz; V
Short circuit protection is latched, but at high temperatures where T
operation may only be resumed following a short circuit after the input is toggled LOW then HIGH again.
Short circuit response time t
t
d(sc)
on
off
125 C prior to the overload short circuit condition.
------------------------------------ -
ln
Switching characteristics
Capacitances
Short circuit load protection characteristics
Status response times
Parameter
turn-on delay time
rising slew rate
turn-on switching time
turn-off delay time
falling slew rate
turn-off switching time
Parameter
status-ground capacitance
input-ground capacitance
battery-load capacitance
Parameter
battery-load overload power threshold 5.5
battery-load short-circuit characteristic
time
Parameter
open-circuit response time
------------------------- -
P
BG
t
BL(d)(sc)
BL(OV)(th)
P
= 13 V; resistive load R
BL
IG
T
= 0 V.
d(sc)
mb
varies with battery-load power P
+150 C and typical values for T
L
= 13
per channel;
Rev. 01 — 16 April 2003
Conditions
to 10 % V
30 to 70 % V
to 90 % V
to 90 % V
70 to 30 % V
to 10 % V
Conditions
V
V
V
Conditions
P
Conditions
Figure 10
SG
BG
BL
BL
= 13 V
> P
= 5 V
= 13 V
V
BG
BL(OV)(th)
BL
Figure
L
L
L
L
and
j
according to the logarithmic model equation:
> T
35 V; device trips if
L
L
mb
14
j(th)
;
= 25 C unless otherwise specified.
12.
Figure 11
overtemperature protection may occur first. Normal
Dual channel high-side TOPFET™
[1]
[2]
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
BUK221-50DY
Min
-
0.5
-
-
0.5
-
Min
-
-
-
Min
10
200
Min
-
Typ
30
1
60
20
1
40
Typ
11
15
130
Typ
55
350
Typ
65
Max
-
2
220
-
2
200
Max
15
20
180
Max
100
800
Max
100
10 of 16
Unit
V/ s
V/ s
Unit
pF
pF
pF
Unit
W
Unit
s
s
s
s
s
s