Philips Semiconductors Product specification
TOPFET high side switch BUK224-50Y
SMD version of BUK223-50Y
DESCRIPTION QUICK REFERENCE DATA
Monolithic single channel high side SYMBOL PARAMETER MIN. UNIT
protected power switch in
TOPFET2 technology assembled in I
L
Nominal load current (ISO) 12 A
a 5 pin plastic surface mount
package.
SYMBOL PARAMETER MAX. UNIT
APPLICATIONS
V
BG
Continuous off-state supply voltage 50 V
General controller for driving I
L
Continuous load current 25 A
lamps, motors, solenoids, heaters. T
j
Continuous junction temperature 150 ˚C
R
ON
On-state resistance T
j
= 25˚C 30 mΩ
FEATURES FUNCTIONAL BLOCK DIAGRAM
Vertical power TrenchMOS
Low on-state resistance
CMOS logic compatible
Very low quiescent current
Overtemperature protection
Load current limiting
Latched overload and
short circuit protection
Overvoltage and undervoltage
shutdown with hysteresis
On-state open circuit load
detection
Diagnostic status indication
Voltage clamping for turn off
of inductive loads
ESD protection on all pins
Reverse battery, overvoltage
and transient protection
Fig.1. Elements of the TOPFET HSS with internal ground resistor.
PINNING - SOT426 PIN CONFIGURATION SYMBOL
PIN DESCRIPTION
1 Ground
2 Input
3 (connected to mb)
4 Status
5 Load
Fig. 2. Fig. 3.
mb Battery
BATT
LOAD
INPUT
GROUND
STATUS
POWER
MOSFET
RG
CONTROL &
PROTECTION
CIRCUITS
mb
12 45
3
B
G
L
I
S
HSS
TOPFET
November 2002 1 Rev 2.000