BUK218-50DY Datasheet, PDF (1/9 Pages) NXP Semiconductors – TOPFET dual high side switch

Philips Semiconductors
TOPFET dual high side switch
Product specification
BUK218-50DY
DESCRIPTION
Monolithic dual channel high side
protected power switch in
TOPFET2 technology assembled in
a 7 pin plastic surface mount
package.
APPLICATIONS
General purpose switch for driving
automotive lamps, motors,
solenoids, heaters.
QUICK REFERENCE DATA
SYMBOL PARAMETER
I_L
Nominal load current (ISO)
SYMBOL PARAMETER
V_BG
Continuous off-state supply voltage
I_L
Continuous load current
T_j
Continuous junction temperature
R_ON
On-state resistance, T_j = 25˚C
FEATURES
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
Off-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
FUNCTIONAL BLOCK DIAGRAM
INPUT 1
INPUT 2
STATUS
CONTROL &
PROTECTION
CIRCUITS
GROUND
RG
MIN.
8
UNIT
A
MAX.
50
16
150
40
UNIT
V
A
˚C
mΩ
BATT
LOAD 1
LOAD 2
Fig.1. Elements of the TOPFET dual HSS with internal ground resistor.
PINNING - SOT427
PIN
DESCRIPTION
1 load 1
2 ground
3 input 1
4 connected to mb
5 status
6 input 2
7 load 2
mb battery
PIN CONFIGURATION
mb
1234567
Fig. 2.
SYMBOL
B
I1
L1
DUAL
HSTF
I2
L2
SG
Fig. 3.
CONVENTION
Positive currents flow into pins, except for load and ground pins.
May 2001
1
Rev 1.400