MD6752 Fully Digital-controlled Power Supply Control IC with Bridgeless PFC and LLC Current-resonant Circuits Data Sheet
■The MD6752 is a fully digital-controlled power supply IC, which incorporates a bridgeless PFC control circuit and an LLC current-resonant circuit. The PFC circuit, driven by continuous conduction mode (CCM), is controlled with frequencies suitable for applied input voltages and loads. The IC incorporates current mode for controlling constant voltages in the LLC stage and a floating drive circuit that drives an external high-side power MOSFET, in addition to functionally-rich protections. These digitally controlled strategies allow application-specific optimal settings. Compared to conventional analog control circuits, the IC can achieve more cost-effective, high-efficient, yet low-noise power systems with fewer external components.
●Features:
■Fully Digital-controlled PFC and LLC Current-resonant Circuits
■Soft Start
■Bridgeless PFC Circuit
■Continuous Conduction Mode (CCM) PFC Control
■Current Mode LLC Control
■Protections Include:
▲AC Power Supply Input Undervoltage Lockout
▲AC Power Supply Input Off-state Detection
▲PFC Output Undervoltage Protection (PFC_UVP)
▲PFC Output Overvoltage Protection (PFC_OVP)
▲PFC Overcurrent Protection (PFC_OCP)
▲PFC Overload Protection (PFC_OLP)
▲LLC High-side Driver Undervoltage Lockout (VB_UVLO)
▲LLC Overcurrent Protection (LLC_OCP)
▲LLC Overload Protection (LLC_OLP)
▲VCC Pin Overvoltage Protection (VCC_OVP)
▲Thermal Shutdown (TSD)
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[ Audiovisual Equipment ][ Office Automation Equipment ][ Server ][ Multifunction Printer ][ Industrial Equipment ][ Communication Equipment ] |
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Datasheet |
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Please see the document for details |
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SOP28 |
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English Chinese Chinese and English Japanese |
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Nov. 15, 2021 |
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Rev.1.1 |
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MD6752-DSE |
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577 KB |
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