Controllers | NCP12711
概览
The NCP12711 is a fixed−frequency peak−current−mode PWM controller containing all of the features necessary for implementing single−ended power converter topologies. The device operates from 4 V to 45 V without auxiliary winding and within its thermal capabilities. The controller contains a programmable oscillator capable of operating from 100 kHz to 1 MHz and integrates slope compensation to prevent subharmonic oscillations. The controller includes a programmable soft−start, input voltage UVLO protection, and an over−power protection (OPP) circuit which limits the total power capability of the circuit as the input voltage increases. The UVLO pin also features a shutdown comparator which allows for an external signal to disable switching and brings the controller into a low quiescent state. An onboard op−amp allows the implementation of primary−side regulated converters or non−isolated dc−dc converters.
- Low to medium voltage isolated DC-DC
- CCM & DCM Flyback Converters
- Industrial Power
- DC-DC Converters for Modules and Telecom Application
- Low Voltage Operation
- Adjustable Over Power Protection
- NTC-Compatible Fault Interface
- Frequency Jitter
- Error Amplifier Option
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NCP12711ADNR2G
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