L99DZ81EPTR datasheet(13/62 Pages) STMICROELECTRONICS

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L99DZ81EPTR Scheda tecnica(PDF) 13 Page - STMicroelectronics

Il numero della parte	L99DZ81EPTR

Spiegazioni elettronici	Door actuator driver

PDF	62 Pages

Scroll/Zoom	100%

Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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13 / 62 page

DocID023145 Rev 2

13/62

L99DZ81EP

Electrical specifications

2.4

Package and PCB thermal data

2.4.1

TQFP-64 thermal data

Figure 3. TQFP-64 2 layer PCB

Figure 4. TQFP-64 4 layer PCB

Note:

Layout condition of Rth and Zth measurements (board finish thickness 1.6 mm +/- 10%,

board double layer and four layers, board dimension 77 mm x114 mm, board material FR4,

Cu thickness 0.070mm (outer layers), Cu thickness 0.035mm (inner layers), thermal vias

separation 1.2 mm, thermal via diameter 0.3 mm +/- 0.08 mm, Cu thickness on vias

0.025 mm, footprint dimension 6 mm x 6 mm). 4-layer PCB: Cu on mid1 layer, Cu on mid2

layer and Cu on bottom layer: 62 cm2. Zth measured on the major power dissipator

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