Half-Bridge Power MOSFET Controller

A3946

2

Allegro MicroSystems, Inc.

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

Absolute Maximum Ratings

Characteristic

Symbol

Notes

Rating

Units

Load Supply Voltage

V

BB

60

V

Logic Inputs Voltage

V

IN

–0.3 to 6.5

V

Pin S Voltage

V

S

–4 to 60

V

Pin GH Voltage

V

GH

–4 to 75

V

Pin BOOT Voltage

V

BOOT

–0.6 to 75

V

Pin DT Voltage

V

DT

V

REF

V

Pin VREG Voltage

V

REG

–0.6 to 15

V

Operating Ambient Temperature

T

A

Range K

–40 to 135

ºC

Maximum Junction Temperature

T

150

ºC

Storage Temperature

T

stg

–55 to 150

ºC

ESD Rating, Human Body Model

AEC-Q100-002, all pins

2000

V

ESD Rating, Charged Device Model

AEC-Q100-011, all pins

1050

V

THERMAL CHARACTERISTICS

Characteristic

Symbol

Test Conditions*

Value Units

Package Thermal Resistance

R

θJA

43

ºC/W

Mounted on a 4-layer PCB based on JEDEC standard

34

ºC/W

*Additional thermal information available on Allegro Web site.

Selection Guide

Part Number

Packing

Package

A3946KLPTR-T

4000 pieces/reel 16-pin TSSOP with exposed thermal pad