Philips Semiconductors
BUK221-50DY
Dual channel high-side TOPFET™
Product data Rev. 01 — 16 April 2003 7 of 16
9397 750 11167
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
[1] For a high-side switch, the load pin voltage goes negative with respect to the ground during the turn-off of an inductive load. This
negative voltage is clamped by the device.
[2] 9 V ≤ V
BG
≤ 35 V
[3] This is the current drawn from the supply when both inputs are LOW, and includes leakage current to the loads.
[4] Defined as in ISO10483-1. For comparison purposes only.
[5] This only applies to the R
BLon
per channel. The supply and input voltages for the R
BLon
tests are continuous. The specified pulse
duration is t
p
= 300 µs, and refers only to the applied load current.
[6] R
G
is a resistor incorporated internally into the package.
[7] 5.5 V ≤ V
BG
≤ 35 V
[8] An open circuit load can be detected in the off-state and requires an external pull-up resistor, R
L(oc)
.
[9] See Table 3 “Truth table”
[10] Overtemperature protection is not active during reverse current operation.
[11] Undervoltage sensor causes each output channel to switch off and reset.
[12] Overvoltage sensor causes each output channel to switch off to protect the load.
[13] After cooling below the reset temperature the channel will resume normal operation.
[14] The status output is an open drain transistor and requires an external pull-up resistor, R
S
, to indicate a logic HIGH.
I
L(oc)
load open circuit current V
LG
= 3.5 V; per channel - −22 −40 µA
V
LG
= 16 V; per channel - −200 −300 µA
R
L(oc)
open circuit load resistor V
S
= 5 V; connected externally;
per channel; Figure 10
-10-kΩ
Undervoltage
[9]
V
BG(uv)
battery-ground undervoltage
[11]
2 4.2 5.3 V
V
BG(uv)(hys)
battery-ground undervoltage
hysteresis
- 0.5 1.5 V
Overvoltage
[9]
V
BG(ov)
battery-ground overvoltage
[12]
35 40 45 V
V
BG(ov)(hys)
battery-ground overvoltage hysteresis 0.2 1 2 V
I
G(ov)
overvoltage operating current V
BG
= 45 V; per channel - 1 2.5 mA
Overload protection
I
L(lim)
self-limiting load current V
BG
≥ 8 V; V
BL
=V
BG;
Figure 7 8 1216A
Overtemperature protection
[9][10]
T
j(th)
threshold junction temperature
[13]
150 170 190 °C
T
j(th)(hys)
threshold junction temperature
hysteresis
31020°C
Status
[9]
V
SG(CL)
status-ground clamping voltage I
S
= 100 µA 5.5 7 8.5 V
V
SG(L)
status-ground low voltage I
S
= 100 µA; Figure 6 - 0.7 0.9 V
I
S
= 250 µA - - 1.1 V
I
S(off)
status leakage current V
SG
=5V
T
mb
= 150 °C --10µA
T
mb
=25°C - 0.1 1 µA
R
S
status resistor V
SG
= 5 V; connected externally;
Figure 10
[14]
-47-kΩ
Table 6: Static characteristics
…continued
Limits are valid for
−
40
°
C
≤
T
mb
≤
+150
°
C and typical values for T
mb
=25
°
C unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
