Controllers | NCP1589D
概览
The NCP1589D is a low cost PWM controller designed to operate from a 5 V or 12 V supply. This device is capable of producing an output voltage as low as 0.8 V and converting voltage from as low as 2.5 V. It is easy to operate and provides an optimal level of integration to reduce size and cost of the power supply. It operates in Ramp Pulse Modulation mode for superior load step and release response. In addition to fast transient response, it also includes a 1.5 A gate driver design and light load efficiency features such as adaptive nonoverlap circuitry and diode emulation. It normally operates at a range of 200~500 kHz in continuous current conduction mode, which reduces with current at light load for further power saving. Protection features include programmable overcurrent protection, output overvoltage and undervoltage protection and input undervoltage lockout.
- Graphics Cards
Desktop Computers
Servers / Networking
DSP & FPGA Power Supply
DCDC Regulator Modules
- VCC Range from 4.5 V to 13.2 V
Adjustable Operating frequency
Boost Pin Operates to 35 V
Ramp Pulse Modulation Control
Precision 0.8 V Internal Reference
Adjustable Output Voltage
Internal 1.5 A Gate Drivers
80% Max Duty Cycle
Programmable Current Limit
Adaptive Diode Mode Emulation in Light Load
This is a PbFree Device
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