Philips Semiconductors Product specification
TOPFET high side switch BUK217-50YT
SMD version
DESCRIPTION QUICK REFERENCE DATA
Monolithic single channel high side SYMBOL PARAMETER MAX. UNIT
protected power switch in
TOPFET2 technology assembled in V
BG
Continuous off-state supply voltage 50 V
a 5 pin plastic surface mount
package. I
L
Continuous load current 10 A
APPLICATIONS T
j
Continuous junction temperature 150 ˚C
General controller for driving R
ON
On-state resistance T
j
= 25˚C 14 mΩ
lamps, motors, solenoids, heaters.
FEATURES FUNCTIONAL BLOCK DIAGRAM
Vertical power TrenchMOS
Low on-state resistance
CMOS logic compatible
Very low quiescent current
Latched overtemperature
protection
Load current limiting
at reduced level
Short circuit load detection
Overvoltage and undervoltage
shutdown with hysteresis
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
September 2001 1 Rev 1.300