
Allicdata Part #: | ML4800CS-ND |
Manufacturer Part#: |
ML4800CS |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ON Semiconductor |
Short Description: | IC PFC CTRLR AVERAGE CURR 16SOIC |
More Detail: | PFC IC Average Current 76kHz 16-SOIC |
DataSheet: | ![]() |
Quantity: | 1000 |
Series: | -- |
Packaging: | Tube |
Part Status: | Obsolete |
Mode: | Average Current |
Frequency - Switching: | 76kHz |
Current - Startup: | 200µA |
Voltage - Supply: | 11 V ~ 16.5 V |
Operating Temperature: | 0°C ~ 70°C |
Mounting Type: | Surface Mount |
Package / Case: | 16-SOIC (0.154", 3.90mm Width) |
Supplier Device Package: | 16-SOIC |
Base Part Number: | ML4800 |
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The ML4800CS from Monolithic Power Systems (MPS) is a popular power factor correction (PFC) chip that is used in many power supply designs. It is a general-purpose integrated power factor controller (IPFC) that is widely used in applications such as desktop power supplies, solar inverters and industrial systems. The PFC chip provides efficient power conversion by providing active power factor control for high-voltage ac-dc converters.
The ML4800CS provides active power factor correction to ensure that the input current waveform follows the mains voltage waveform at all times. This ensures that the input harmonic distortion is kept to a minimum, which in turn lowers the amount of power losses in the system. In addition, the ML4800CS also reduces the system power losses by providing a soft start and by dynamically adjusting the on/off time of the main power switch.
The ML4800CS uses a digital control algorithm to regulate the input power factor and regulate the output voltage of the converter. This digital control algorithm is implemented using a specific circuit, called a charge pump, which is included on the chip. The charge pump converts the ac mains voltage into a dc output, which is then compared to a reference voltage. When the mains voltage is above the reference voltage, a PWM signal is generated by the ML4800CS to control the main power switch. The charge pump also ensures that the current waveform follows the mains voltage waveform, which improves the overall efficiency of the converter.
The ML4800CS has a wide range of features, including over current protection and input short circuit protection. This makes it ideal for use in applications where the ac mains voltage is unstable, or where the input is subject to sudden changes. In addition, it has adjustable compensation and soft start functions, which are designed to reduce the inrush current when the converter is powered up. It also has integrated protection circuits, which can help to protect the circuit components from damage caused by over voltage and current.
Overall, the ML4800CS is an ideal solution for power factor correction applications and is widely used in various industries. It provides efficient power conversion and is suitable for desktop power supplies, solar inverters and industrial systems. Its wide range of features and protections make it an ideal solution when it comes to improving the power efficiency of power supply designs.
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