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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 Details

Part number A8499
Manufacturer Allegro MicroSystems
File Size 482.30 KB
Description High Voltage Step-Down Regulator
Datasheet download datasheet A8499 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.
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