Datasheet4U Logo Datasheet4U.com

A8499 - High Voltage Step-Down Regulator

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).

Printer power supplies Consumer equipment power supplies PACKAGE: 8-Lead SOIC with exposed th

Features

  • 8 to 50 V input range.
  • Integrated DMOS switch.
  • Adjustable fixed off-time.
  • Highly efficient.
  • Adjustable 1.2 to 24 V output A8499 High Voltage Step-Down Regulator.

📥 Download Datasheet

Datasheet preview – A8499

Datasheet Details

Part number A8499
Manufacturer Allegro MicroSystems
File Size 482.30 KB
Description High Voltage Step-Down Regulator
Datasheet download datasheet A8499 Datasheet
Additional preview pages of the A8499 datasheet.

📁 Similar Datasheet

  • A8405 - LOW-DROPOUT REGULATORS (Allegro)
  • A8425 - High Current Photoflash Capacitor Charger (Allegro)
  • A844 - 2SA844 (Renesas)
  • A844 - PNP Silicon Transistor (FGX)
  • A8440 - 4-CHANNEL WHITE LED DRIVER (AiT Semiconductor)
  • A8442 - 80mA 4-CHANNEL CHARGE PUMP WHITE LED DRIVER (AiT Semiconductor)
  • A8450 - Automotive Multi-Output Voltage Regulator (Allegro)
  • A8480 - Boost Regulator (Allegro Micro Systems)
Other Datasheets by Allegro MicroSystems
  • A8498 - Wide Input Voltage 3.0A Step Down Regulator
  • A8430 - White LED Driver Constant Current Step-up Converter
  • A8431 - White LED Driver Constant Current Step-up Converter
  • A8434 - 6-Channel High Efficiency Charge Pump White LED Driver
  • A8435 - High Efficiency Charge Pump White LED Driver
  • A8436 - Photoflash Capacitor Charger
  • A8437 - Mobile Phone Xenon Photoflash Capacitor Charger
  • A8438 - Photoflash Capacitor Charger

Full PDF Text Transcription

Click to expand full text
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 A8499 High Voltage Step-Down Regulator 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 PACKAGE: 8-Lead SOIC with exposed thermal pad (suffix LJ) Not to scale Typical Application CBOOT 0.01 µF BOOT VIN ENB RTSET 121 kΩ TSET GND A8499 LX VBIAS FB D1 +42 V C3 100 µF 50 V C3 0.22 µF L1 47 µH R1 17.8 kΩ R2 10.2 kΩ VOUT 3.3 V / 1.2 A ESR COUT 220 µF 10 V Efficiency % 90.0 88.0 86.0 84.0 82.0 80.0 78.0 76.0 74.
Published: |