ACT4455
ACT4455 is 36V/5A Step Down DC/DC Converter manufactured by Active-Semo.
- Part of the ACT4455-Active comparator family.
- Part of the ACT4455-Active comparator family.
Rev 2, 21-Nov-12
36V/5A Step Down DC/DC Converter
Features
- 7.5V to 36V Input Voltage
- 40V Input Voltage Surge
- Up to 5A Output Current
- Up to 12V Output Voltage
- Dual Outputs with Independent Over Current
Protection
- 7.5% Accurate Over Current Protection (OCP)
- Integrated 45mΩ High Side Power FET
- 90% Efficiency at Heavy Load
- Internal 3ms Soft Startup
- Low Standby Input Current
- Sleeping Mode at OCP, OTP and SCP
- Zero Input and Output Currents at Over Current and Short Circuit Protection
- Auto Recovery into Full Load after Faults
- Output Cord Voltage Drop pensation
- Stable with Low ESR Ceramic Output Capacitors
- Internal Cycle-by-Cycle Current Control
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