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1. Utsource will inspect the goods, including appearance inspection (no serious damage to the appearance), select qualified and honest suppliers, and ensure 98% qualification rate.
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Description
Power Factor Correction and PWM Controller Combo
All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.
The parameters and performance indicators of this product are sourced from the internet. In case of discrepancies, please refer to the manufacturer's technical specifications!！
GENERAL DESCRIPTION
The ML4824 is a controller for power factor corrected, switched mode power supplies. Power Factor Correction (PFC) allows the use of smaller, lower cost bulk capacitors, reduces power line loading and stress on the switching FETs, and results in a power supply that fully complies with IEC1000-2-3 specification. The ML4824 includes circuits for the implementation of a leading edge, average current, “boost” type power factor correction and a trailing edge, pulse width modulator (PWM).
The device is available in two versions; the ML4824-1 (fPWM = fPFC) and the ML4824-2 (fPWM = 2 x fPFC). Doubling the switching frequency of the PWM allows the user to design with smaller output components while maintaining the best operating frequency for the PFC. An over-voltage comparator shuts down the PFC section in the event of a sudden decrease in load. The PFC section also includes peak current limiting and input voltage brownout protection. The PWM section can be operated in current or voltage mode at up to 250kHz and includes a duty cycle limit to prevent transformer saturation.
FEATURES
● Internally synchronized PFC and PWM in one IC
● Low total harmonic distortion
● Reduces ripple current in the storage capacitor between the PFC and PWM sections
● Average current, continuous boost leading edge PFC
● Fast transconductance error amp for voltage loop
● High efficiency trailing edge PWM can be configured for current mode or voltage mode operation
● Average line voltage compensation with brownout control
● PFC overvoltage comparator eliminates output“runaway”due to load removal
● Current fed gain modulator for improved noise immunity
● Overvoltage protection, UVLO, and soft start
Preview of the first 3 pages of the data sheet
| QUANTITY | UNIT PRICE | PLUS UNIT PRICE | TOTAL PRICE |
|---|---|---|---|
| ≥1: | US $2.45520 | US $2.20968 | US $2.20968 |
| ≥5: | US $1.63680 | US $1.47312 | US $7.36560 |
| ≥10: | US $1.47312 | US $1.32581 | US $13.25810 |
| ≥20: | US $1.43220 | US $1.28898 | US $25.77960 |
| ≥50: | US $1.39128 | US $1.25215 | US $62.60750 |
| ≥100: | US $1.35036 | US $1.21533 | US $121.53300 |
| ≥200: | US $1.30944 | US $1.17850 | US $235.70000 |
| ≥500: | US $1.29307 | US $1.16376 | US $581.88000 |
| ≥1000: | US $1.26852 | US $1.14167 | US $1141.67000 |
Substitute (equivalent) Product
| Substitute Product | Description |
|---|---|
| UC3846 | High-performance current mode PWM controller with similar voltage control and synchronization features. |
| SG3525A | PWM controller IC that provides efficient operation and includes synchronization capabilities. |
| TL494 | PWM controller offering a similar range of voltage control and power regulation. |
| KA7500C | PWM controller IC with dual in-line package for voltage and current mode control. |
| UC3525A | High-performance PWM controller with integrated error amplifier for feedback control. |
Product Usage
The ML4824CS1 is a Pulse Width Modulation (PWM) controller typically used in power supply circuits, particularly for applications such as DC-DC converters and off-line switching power supplies. It includes features that are beneficial for the design of high-efficiency power supplies, including:
Single-Ended and Double-Ended Forward Converters: The ML4824CS1 can be used in these types of converters, which are common in power supplies for computers, telecommunications, and other electronics that require stable DC output.
Flyback Converters: This device can be utilized in flyback converter topologies, which are often seen in low to medium power supply applications.
Push-Pull Converters: It's suitable for push-pull power supplies, which are a type of DC-DC converter that provides good efficiency and is used in many medium power applications.
Half-Bridge and Full-Bridge Converters: These types of converters often use the ML4824CS1 for their high efficiency in power transformation, making them suitable for higher power applications.
The ML4824CS1 features include under-voltage lockout, over-voltage protection, current mode control, and soft start capability, which make it a versatile component in various power supply designs.
The specific implementation of this chip can vary significantly depending on the exact requirements of the circuit and the desired performance characteristics, but you will generally find it in any situation where efficient, reliable power conversion is needed.
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| Express | Standard Shipping | Express (0.5kg) | Standard Shipping (0.05kg) | ||
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Warranty
All UTSOURCE purchases have a 90 days money back return policy, plus a 100 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
ML4824CS1
ML4824CS1 has several brands around the world that may have alternate names for ML4824CS1 due to regional differences or acquisition. ML4824CS1 may also be known as the following names:
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