Datasheet XC9268 (Torex) - 5

XC9268 Series
■FUNCTION CHART PIN NAME SIGNAL STATUS L Stand-by EN/SS H Active OPEN Undefined State(*1) (*1) Please do not leave the EN/SS pin open. Each should have a certain voltage PIN NAME CONDITION SIGNAL VFB > VPGDET H (High impedance) VFB ≦ VPGDET L (Low impedance) EN/SS = H Thermal Shutdown L (Low impedance) PG UVLO Undefined State (VIN < VUVLO1) EN/SS = L Stand-by L (Low impedance) ■ABSOLUTE MAXIMUM RATINGS Ta=25℃ PARAMETER SYMBOL RATINGS UNITS VIN Pin Voltage VIN -0.3 ~ +40 V EN/SS Pin Voltage VEN/SS -0.3 ~ +40 V FB Pin Voltage VFB -0.3 ~ +6.2 V PG Pin Voltage(*1) VPG -0.3 ~ +6.2 V PG Pin Current(*1) IPG 8 mA Lx Pin Voltage VLx -0.3 ~ VIN + 0.3 or +40 (*2) V Lx Pin Current ILx 1800 mA Power SOT-89-5 1750 (JESD51-7 board) (*4) Pd mW Dissipation USP-6C(DAF) 1250 (JESD51-7 board) (*4) Surge Voltage VSURGE +46(*3) V Operating Ambient Temperature Topr -40 ~ +105 ℃ Storage Temperature Tstg -55 ~ +125 ℃ * All voltages are described based on the GND pin. (*1) For the USP-6C Package only. (*2) The maximum value should be either VIN+0.3 or 40 in the lowest. (*3) Applied Time≦400ms (*4) The power dissipation figure shown is PCB mounted and is for reference only. The mounting condition is please refer to PACKAGING INFORMATION. 5/29