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A8515

Wide Input Voltage Range, High Efficiency Fault Tolerant LED Driver

Allegro MicroSystems 

A8515

Wide Input Voltage Range, High Efficiency

Fault Tolerant LED Driver

Selection Guide

Part Number

A8515GLPTR-T

Packing

4000 pieces per 13-in. reel

Absolute Maximum Ratings*

Characteristic

Symbol

Notes

Rating

Unit

LEDx Pin

–0.3 to 55

V

OVP Pin

–0.3 to 60

V

VIN, VSENSE, GATE Pins

VSENSE should not exceed VIN by more

than ±0.4 V. GATE cannot exceed VIN by

more than 0.4 .V

–0.3 to 40

V

SW Pin

Continuous

t < 50 ns

–0.6 to 62

V

–1.0

V

¯F¯¯A¯U¯¯L¯¯T¯ Pin

–0.3 to 40

V

ISET, FSET, APWM, COMP Pins

–0.3 to 5.5

V

All other pins

–0.3 to 7

V

Operating Ambient Temperature

TA

Range G

–40 to 105

ºC

Maximum Junction Temperature

TJ(max)

150

ºC

Storage Temperature

Tstg

–55 to 150

ºC

*Stresses beyond those listed in this table may cause permanent damage to the device. The Absolute Maximum ratings are

stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the Electrical

Characteristics table is not implied. Exposure to Absolute-Maximum-rated conditions for extended periods may affect device reliability.

Thermal Characteristics may require derating at maximum conditions

Characteristic

Symbol

Test Conditions*

Package Thermal Resistance

On 4-layer PCB based on JEDEC standard

RθJA

On 2-layer PCB with 1 in.2 of copper area each side

*Additional thermal information available on the Allegro website

Value Unit

34 ºC/W

52 ºC/W

Allegro MicroSystems, Inc.

2

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

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