SI4750DY Datasheet, PDF (1/8 Pages) Vishay Siliconix – Smart Power High-Side Switch

New Product
Smart Power High-Side Switch
Si4750DY
Vishay Siliconix
PRODUCT SUMMARY
Overvoltage Protection
V_bb(AZ) (V)
41
Operating Voltage
V_bb(on) (V)
5 − 15
On-State Resistance
R_ON (mW)
50
Nominal Load Current
I_{L(nom) (A)}
2.0
FEATURES
D Overload Protection
D Current Limitation
D Short Circuit Protection
D Thermal Shutdown with Restart
D Overvoltage Protection (Including Load Dump)
D Reverse Battery Protection with External Resistor
D CMOS Compatible Input
D Start A Cold Filament Lamp
D ESD Protection
D Low Standby Current
APPLICATIONS
D All Types of Resistive, Inductive and Capacitive Loads
D mC Compatible Power Switch for 12-V dc Applications
D Replaces Electromechanical Relays and Discrete
Circuits
DESCRIPTION
The Si4750DY is an n-channel verticle power FET with charge
pump, ground referenced CMOS compatible input, and fully
protected by embedded protection functions.
FUNCTIONAL BLOCK DIAGRAM
V_BAT
V_ST
IN
ESD
ESD
Controller IC
Voltage
Regulator
Controller
Charge Pump
and
Gate Drive
Overload
and
Short Circuit
Thermal Shutdown
with
Hysterisis
MOSFET Die
Load Source
S
Sense Diode
Load
Document Number: 72219
S-32411—Rev. B, 24-Nov-03
www.vishay.com
1