Wide Input Voltage 3.0 A Step Down Regulator
A8498
2
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Absolute Maximum Ratings
Characteristic Symbol Conditions Min. Typ. Max. Units
Load Supply Voltage, VIN pin V
IN
– – 50 V
Input Voltage, VBIAS pin V
BIAS
–0.3 – 7 V
Switching Voltage
V
S
–1 – – V
Input Voltage Range, ENB pin V
ENB
–0.3 – 7 V
Operating Ambient Temperature Range T
A
–20 – 85 °C
Junction Temperature T
J
(max) – – 150 °C
Storage Temperature T
S
–55 – 150 °C
*Output current rating may be limited by duty cycle, ambient temperature, and heat sinking. Under any set of conditions, do not exceed the specied current ratings, or a
junction temperature, T
J
, of 150°C.
Package Thermal Characteristics*
Package
R
θJA
(°C/W)
PCB
LJ 35 4-layer
* Additional information is available on the Allegro website.
Ordering Information
Use the following complete part numbers when ordering:
Part Number
a
Packing
b
Description
A8498SLJTR-T 13 in. reel, 3000 pieces/reel
LJ package, SOIC surface mount with
exposed thermal pad
a
Leadframe plating 100% matte tin.
b
Contact Allegro for additional packing options.
SPECIFICATIONS
