Unitrode UC1573
Buck Pulse Width Modulator Stepdown Voltage Regulator
PACKAGE OPTION ADDENDUM 24-Aug-2018 PACKAGING INFORMATION Orderable Device UC2573D UC2573DG4 UC2573DTR UC3573D UC3573DTR Status Package Type Package Pins Package Eco Plan (1) Drawing Qty (2) ACTIVE SOIC D 8 75 Green (RoHS & no Sb/Br) ACTIVE SOIC D 8 75 Green (RoHS & no Sb/Br) ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) ACTIVE SOIC D 8 75 Green (RoHS & no Sb/Br) ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) Lead/Ball Finish (6) CU NIPDAU CU NIPDAU CU NIPDAU CU NIPDAU CU NIPDAU MSL Peak Temp Op Temp (°C) (3) Level-1-260C-UNLIM -40 to 85 Level-1-260C-UNLIM -40 to 85 Level-1-260C-UNLIM -40 to 85 Level-1-260C-UNLIM 0 to 70 Level-1-260C-UNLIM 0 to 70 (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.