TLF51801ELV Datasheet, PDF (5/29 Pages) Infineon Technologies AG – 10 A synchronous DC/DC Step-Down Controller

TLF51801ELV
Pin Configuration
Pin Symbol Function
11 UG
Up-side MOSFET driver output
Driving output for the high-side external power MOSFET, connect to gate
12 BTS
Buck Driver Supply Input
Connect the bootstrap capacitor between this pin and pin BUO
13 sense Current sensing (low-side) input
low
For Shunt-configuration connect a shunt resistor from senselow to input/battery voltage, for
Rdson-configuration connect to source of the high-side MOSFET
14 sense Current sensing (high-side) input
high
Connect a resistor between battery and this pin to adjust the current threshold for both Rdson
and Shunt configurations
Exposed Pad Connect to heatsink area and GND by low inductance wiring
Data sheet
5
Rev. 1.0.1, 2013-04-15