Unitrode UC1638
Advanced PWM Motor Controller
PACKAGE OPTION ADDENDUM 15-May-2019 PACKAGING INFORMATION Orderable Device UC2638DW UC2638N UC3638DW UC3638DWG4 UC3638DWTR UC3638N UC3638NG4 Status Package Type Package Pins Package Eco Plan (1) Drawing Qty (2) NRND SOIC DW 20 25 Green (RoHS & no Sb/Br) NRND PDIP N 20 18 Green (RoHS & no Sb/Br) ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) ACTIVE PDIP N 20 18 Green (RoHS & no Sb/Br) ACTIVE PDIP N 20 18 Green (RoHS & no Sb/Br) Lead/Ball Finish (6) CU NIPDAU CU NIPDAU CU NIPDAU CU NIPDAU CU NIPDAU CU NIPDAU CU NIPDAU MSL Peak Temp Op Temp (°C) (3) Level-2-260C-1 YEAR -40 to 85 N / A for Pkg Type -40 to 85 Level-2-260C-1 YEAR 0 to 70 Level-2-260C-1 YEAR 0 to 70 Level-2-260C-1 YEAR 0 to 70 N / A for Pkg Type 0 to 70 N / A for Pkg Type 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.