Evaluation Board | NCV12711SSRGEVB
NCV12711 EVB 12V/1A SSR secondary side regulation
概览
The evaluation board NCV12711SSRGEVB is wide input range secondary-side-regulated flyback converter for automotive applications capable deliver up to 12W (12V/1A) on its output.
The converter is built with the NCV12711 operated in current-mode control at 100 kHz. This control circuit offers many features to build an energy-efficient converter with all the needed protections like cycle-by-cycle current limit with a 250-mV sense voltage, over-current protection (OCP) and over-voltage protection (OVP) on the VCC pin.
The controller drives an N-channel MOSFET as with any classical flyback converter at a user-adjustable switching frequency. The secondary side hosts a low-Vf diode for efficient rectification in continuous conduction mode (CCM).
特性
- • Internal 20-mA current source for lossless start-up sequence and self-supply operation
- • Smooth start-up sequence with frequency sweep
- • Internal operational amplifier with precise 2.5-V reference voltage
- • Current-mode control operation
- • Short circuit protection
- • Over voltage protection
- • User-Adjustable Soft-Start Ramp
- • Shutdown threshold for external disable
- • 0% duty ratio mode for low standby power
- • Input Voltage UVLO with Hysteresis
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NCV12711_LTSPICE_MODEL
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Models
64.51 KB
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Models
July 04, 2023
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EVBUM2839/D
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Eval Board: Manual
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Eval Board: Manual
May 01, 2022
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NCV12711SSRGEVB_BOM_ROHS
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Eval Board: Gerber
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Eval Board: Gerber
May 26, 2022
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NCV12711SSRGEVB_GERBER
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Eval Board: Gerber
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Eval Board: Gerber
May 26, 2022
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NCV12711SSRGEVB_SCHEMATIC
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Eval Board: Schematic
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Eval Board: Schematic
May 26, 2022
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NCV12711SSRGEVB_TEST_PROCEDURE
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Eval Board: Test Procedure
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Eval Board: Test Procedure
May 26, 2022
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