Download A8499 Datasheet PDF
Allegro MicroSystems
A8499
A8499 is High Voltage Step-Down Regulator manufactured by Allegro MicroSystems.
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 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 RTSET 121 kΩ TSET GND LX VBIAS 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...