3 A, 2 MHz Buck-Regulating LED Driver

A6210

2

Allegro MicroSystems, Inc.

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

Absolute Maximum Ratings (reference to GND)

Characteristic

Symbol

Notes

Rating

Units

VIN Pin Supply Voltage

–0.3 to 50

V

LX Pin Switching Node Voltage

–1 to 50

V

ISEN Pin Current Sense Voltage

–1.0 to 0.5

V

DIS Pin Disable Voltage

–0.3 to 7

V

TON Pin On-Time Voltage

–0.3 to 50

V

Operating Ambient Temperature

Range G

–40 to 105

ºC

Maximum Junction Temperature

150

ºC

Storage Temperature

–55 to 150

ºC

Selection Guide

Part Number

Packing

Package

A6210GEUTR-T

1500 pieces per reel

16-contact 4 mm × 4 mm QFN with exposed thermal pad

Characteristic

Symbol

Test Conditions*

Value

Units

Package Thermal Resistance,

Junction to Ambient

On 4-layer PCB based on JEDEC standard

36

ºC/W

Package Thermal Resistance,

Junction to Pad

On 4-layer PCB based on JEDEC standard

2

ºC/W

*Additional thermal information available on the Allegro website.

Recommended Operating Conditions

Characteristic

Symbol

Conditions

Min.

Typ.

Max.

Units

Supply Voltage

9

–

46

V

Switching Node

–0.7

–

46

V

Switching Frequency Range

Continuous conduction mode

0.1

–

2.0

MHz

Operating Ambient Temperature

–40

–

105

ºC

Junction Temperature

–40

–

125

ºC