Product Summary

Description
The A8499 is a step down regulator that will handle a wide
input operating voltage range.
The A8499 is supplied in a low-profile 8-lead SOIC with
exposed pad (package LJ).
Applications include:
? Printer power supplies
? Consumer equipment power supplies

Parametrics

Ab so lute Max i mum Rat ings
Package Thermal Characteristics*
Package
RθJA
(°C/W)
PCB
LJ 35 4-layer
* Additional information is available on the Allegro Web site
Supply Voltage, VIN .........................................................................50 V
VBIAS Input Voltage, VBIAS
.................................................–0.3 to 7 V
Switch Voltage, VLX.........................................................................–1 V
ENB Input Voltage, VENB ......................................................–0.3 to 7 V
Junction Temperature, TJ(max)
....................................................... 150°C
Storage Temperature, TS
............................................... –55°C to 150°C
Operating Ambient Temperature, TA ............................... –20°C to 85°C

Features

Features and Benefits
? 8 to 50 V input range
? Integrated DMOS switch
? Adjustable fixed off-time
? Highly efficient
? Adjustable 1.2 to 24 V output

Diagrams

A8499SLJTR-T01

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
A8499SLJTR-T
A8499SLJTR-T

IC REG BUCK ADJ 2A 8SOIC
Data Sheet
Negotiable 
Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
A8498
A8498
Other

Data Sheet
Negotiable 
A8498SLJ-T
A8498SLJ-T

IC REG BUCK ADJ 3A 8SOIC
Data Sheet
Negotiable 
A8498SLJTR-T
A8498SLJTR-T

IC REG BUCK ADJ 3A 8SOIC
Data Sheet
0-1: $1.06
1-10: $0.94
10-50: $0.85
50-100: $0.74
100-250: $0.65
250-500: $0.58
500-1000: $0.46
A8499SLJ-T
A8499SLJ-T

IC REG BUCK ADJ 2A 8SOIC
Data Sheet
Negotiable 
A8499SLJTR-T
A8499SLJTR-T

IC REG BUCK ADJ 2A 8SOIC
Data Sheet
Negotiable 
A8499
A8499
Other

Data Sheet
Negotiable