intersil的L12.4X3 - 12导双平面线塑料封装（LDFN） L12.4X3 — 12 Lead Dual Flat No-Lead Plastic Package Plastic Packages for Integrated Circuits Package Outline Drawing L12.4x3 12 LEAD DUAL FLAT NO-LEAD PLASTIC PACKAGE Rev 2, 7/10 3.30 +0.10/-0.15 4.00 A 2X 2.50 6 PIN 1 PIN #1 INDEX AREA 10X 0.50 INDEX AREA 12 X 0.40 ±0.10 B 6 ……