MP6903
High Noise Immunity, Fast Turn-off Intelligent Rectifier with Light Load Management for LLC
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The MP6903 is a low-drop diode emulator that, combined with an external switch, replaces Schottky diodes in high-efficiency LLC converters. The chip regulates the forward drop of an external switch to about 70mV and switches it off as soon as the voltage goes negative. MP6903 has a light-load sleep mode that reduces the quiescent current to < 300µA.
Product Features
- Works with Standard and Logic-Level FETS
- Compatible with Energy Star, 1W Standby Requirements
- VDD Range from 8V to 24V
- Fast Turn-Off: Total Delay of 20ns
- Max 400kHz Switching Frequency
- Supports DCM, CCM and CrCM Operation
- Supports High-Side and Low-Side Rectification
- Power Savings of Up to 1.5W for a Typical Notebook Adapter
Parametrics
- Turn-Off Threshold (mV)999
- Ishutdown (µA)150
- Vin (min) (V)999
- Vin (max) (V)999
- Iq (mA)0.25
- Iop (mA)8
- Drain Rating180
- Turn-Off Delay (ns)35
- VCC (min) (V)6
- Turn-On Delay (ns)150
- Turn-On Threshold (mV)70
- Min On Time (ns)1000
- VCC (typ) (V)15
- Pout (max) (W)400
- fsw (max) (kHz)up to 300
- VCC (max) (V)27
- PackageSOIC-8
- TypeController
- GradeCatalog
- Light-Load FunctionYes
- Power Range DefinedNo
Evaluation Kit
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Kit details
The EV6903DS-00A is an evaluation board for the MP6903DS. It is configured to provide synchronous rectification solution for LLC topology.
MP6903DS features a synchronous gate output which enables high efficiency rectification by relating the schottky rectifier with a low Ron MOSFET.
$25.00 + tax
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