Philips Semiconductors
TOPFET high side switch
SMD version
DESCRIPTION
Monolithic single channel high side
protected power switch in
TOPFET2 technology assembled in
a 5 pin plastic surface mount
package.
APPLICATIONS
General controller for driving
lamps, motors, solenoids, heaters.
FEATURES
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
PINNING - SOT426
PIN
DESCRIPTION
1
Ground
2
Input
3
(connected to mb)
4
Status
5
Load
mb
Battery
March 2002
QUICK REFERENCE DATA
SYMBOL
PARAMETER
V
Continuous off-state supply voltage
BG
I
Continuous load current
L
T
Continuous junction temperature
j
R
On-state resistance
ON
FUNCTIONAL BLOCK DIAGRAM
STATUS
INPUT
CONTROL &
PROTECTION
GROUND
Fig.1. Elements of the TOPFET HSS with internal ground resistor.
PIN CONFIGURATION
mb
3
1 2
4 5
Fig. 2.
1
T
= 25˚C
j
CIRCUITS
RG
SYMBOL
I
S
Product specification
BUK216-50YT
MAX.
UNIT
50
V
10
A
150
˚C
20
mΩ
BATT
POWER
MOSFET
LOAD
B
TOPFET
L
HSS
G
Fig. 3.
Rev 1.200