A8519KETTR-R datasheet(33/35 Pages) ALLEGRO

33 / 35 page

Wide Input Voltage Range, High-Efficiency,

Fault-Tolerant LED Driver

A8519 and

A8519-1

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

PACKAGE OUTLINE DRAWINGS

For Reference Only – Not for Tooling Use

(Reference MO-153 ACT)

Dimensions in millimeters – NOT TO SCALE

Dimensions exclusive of mold ﬂash, gate burrs, and dambar protrusions

Exact case and lead conﬁguration at supplier discretion within limits shown

1.20 MAX

0.15

0.00

0.30

0.19

0.20

0.09

8º

0º

0.60 ±0.15

1.00 REF

SEATING

PLANE

0.10

20X

0.65 BSC

0.25 BSC

6.50 ±0.10

4.40 ±0.10

3.00

4.20

6.40 ±0.20

GAUGE PLANE

SEATING PLANE

0.45

1.70

6.10

0.65

Exposed thermal pad (bottom surface)

PCB Layout Reference View

NNNNNNN

YYWW

LLLLLLL

Standard Branding Reference View

= Device part number

= Supplier emblem

= Last two digits of year of manufacture

= Week of manufacture

= Lot number

Terminal #1 mark area

Reference land pattern layout (reference IPC7351 SOP65P640X110-21M);

all pads a minimum of 0.20 mm from all adjacent pads; adjust as necessary

to meet application process requirements and PCB layout tolerances; when

mounting on a multilayer PCB, thermal vias at the exposed thermal pad land

can improve thermal dissipation (reference EIA/JEDEC Standard JESD51-5)

Branding scale and appearance at supplier discretion

Figure 41: Package LP: 20-Pin, 0.65 mm Pin Pitch TSSOP with Exposed Thermal Pad

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