Controllers | NCP1578
概览
The NCP1578 is a voltage mode synchronous step-down controller for high performance systems intended to be used in battery-powered systems. The NCP1578 includes a high efficiency PWM controller with adjustable output, and a 5V/50mA linear regulator. A pin is provided to enable or disable forced PWM mode of operation. An internal power good voltage monitor tracks the SMPS output. NCP1578 also features soft-start sequence, UVLO for linear regulator and switcher, overvoltage protection, overcurrent protection, and thermal shutdown. The IC is packaged in QFN-20
- Network HUB, Switchers and Routers
- Personal Computer Peripherals
- Microprocessors Power Supply
- Embedded Controller
- DSP and Core Processor
- Supply for LCD Display
- Fixed 5.0V/50mA Internal Linear Regulator.
- Adjustable PWM Output Voltage
- 1.5% Accuracy PWM Output Voltage
- 4.5V to 24V Battery/Adaptor Voltage Range
- Selectable Force PWM Mode
- Programmable High Side Current Sense
- Soft Start and Power Up Sequencing
- Overvoltage and Undervoltage Protection
- Porgrammable Delay Power Good Output
- Thermal Shutdown
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