Classification | PRIVATE

Data Sheet Rev. B, January 2025 | Subject to change without notice

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ACT4533A/B

Wide Input Sensorless CC/CV Step-Down DC/DC Converter

ABSOLUTE MAXIMUM RATINGS

PARAMETER

VALUE

UNIT

IN to GND

-0.3 to 40

V

SW to GND

-1 to VIN +1

V

HSB to GND

VSW - 0.3 to VSW +7

V

FB, ISET, COMP to GND

-0.3 to +6

V

Junction to Ambient Thermal Resistance

46

°C/W

Operating Junction Temperature

-40 to 150

°C

Storage Junction Temperature

-55 to 150

°C

Lead Temperature (Soldering 10 sec.)

300

°C



: Do not exceed these limits to prevent damage to the device. Exposure to absolute maximum rating conditions for long periods may affect

device reliability.