Bel Power Solutions ABC600 and MBC600 series of AC-DC/DC-DC power supplies operate using AC or DC input and are highly efficient front-end power supplies, with less than 5 W dissipation in standby mode these supplies reach efficiencies up to 94%.
The PFC stage adopts an analog controller in continuous conduction mode to achieve high power factor and high efficiency. The DC/DC stage is fully DSP controlled and employs soft switching resonant techniques in conjunction with synchronous rectification for high efficiency and better thermal control. With a wide input operational voltage range and minimal linear derating of output power with temperature, the ABC600 series and MBC600 series maximize power availability in demanding industrial and medical applications. The supply is convection cooled or fan cooled and ideally suited for integration with a matching airflow path.
An active ORing MOSFET on the output ensures no reverse current and renders the supply ideally suited for operation in redundant power systems. The always-on standby output VSB (5 V) provides power to external power distribution and management controllers. It is protected with an active ORing diode for maximum reliability. In addition, the PMBus™ allows full monitoring of the supply, including input and output voltage, current, power, and internal temperatures. Current share signal (V1_Ishare) is used for current sharing, and the difference between two units is within 2.5 A if system load is more than 25% of full load.
Features and Benefits
- 600 W standard, 420 W convection cooled
- Size: 5.0” x 8.0” x 1.6” (127.0 mm x 203.2 mm x 40.6 mm)
- High efficiency up to 94.0%
- Universal input voltage range: 90 VAC to 277 VAC
- Active power factor correction
- Less than 5 W dissipation at standby mode
- Parallel operation with active current sharing
- Digital control for circuit loop and power management
- Fully protected (OTP, OCP, OVP, SCP)
- PMBus for control, programming and monitoring
- Both AC input and DC input
- CE marked LVD
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Bel Power Solutions ABC600 and MBC600 series of AC-DC/DC-DC power supplies operate using AC or DC input and are highly efficient front-end power supplies, with less than 5 W dissipation in standby mode these supplies reach efficiencies up to 94%.
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