Power Factor Correction and PWM Controller Combo
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ML4800CP Product Details
The ML4800 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 IEC1000-3-2 specification. Intended as a BiCMOS version of the industry-standard ML4824, the ML4800 includes circuits for the implementation of leading edge, average current, “boost” type power factor correction and a trailing edge, pulse width modulator (PWM). It also includes a TriFault Detect™ function to help ensure that no unsafe conditions will result from single component failure in the PFC. Gate-drivers with 1A capabilities minimize the need for external driver circuits. Low power requirements improve efficiency and reduce component costs.
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 an accurate 50% duty cycle limit to prevent transformer saturation.
■ Internally synchronized leading-edge PFC and trailingedge PWM in one IC
■ TriFault Detect™ for UL1950 compliance and enhanced safety
■ Slew rate enhanced transconductance error amplifier for ultra-fast PFC response
■ Low power: 200µA startup current, 5.5mA operating current
■ Low total harmonic distortion, high PF
■ Reduced ripple current in storage capacitor between PFC and PWM sections
■ Average current, continuous boost leading edge PFC
■ PWM configurable for current-mode or voltage mode operation
■ Current fed gain modulator for improved noise immunity
■ Overvoltage and brown-out protection, UVLO, and soft start
- Internally synchronized leading-edge PFC and trailing-edge PWM in one IC
- TriFault Detect™ for UL1950 compliance and enhanced safety
- Slew rate enhanced trans conductance error amplifier for ultra-fast PFC response
- Low total harmonic distortion, high PF
- Reduced ripple current in storage capacitor between PFC and PWM sections
- Average current, continuous boost leading edge PFC
- PWM configurable for current-mode or voltage mode operation
- Current fed gain modulator for improved noise immunity
- Overvoltage and brown-out protection, UVLO and soft start
|Switching Frequency||81 kHz||Packaging||Tube|
|Maximum Operating Temperature||+ 150 C||Minimum Operating Temperature||- 65 C|
|Mounting Style||Through Hole||Factory Pack Quantity||25|
|Package / Case||PDIP-16||Part # Aliases||ML4800CP_NL|
ML4800CP Related Products
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Estimated Delivery Time: Jan 29 - Feb 03 days (choose Expedited at checkout).
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1.We provide 90 days warranty.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
- Q: How does Jotrin guarantee that ML4800CP is the original manufacturer or agent of FAIRCHILD?
- We have a professional business development department to strictly test and verify the qualifications of FAIRCHILD original manufacturers and agents. All FAIRCHILD suppliers must pass the qualification review before they can publish their ML4800CP devices; we pay more attention to the channels and quality of ML4800CP products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
- Q: How to find the detailed information of ML4800CP chips? Including FAIRCHILD original factory information, Power Factor Correction ICs application, ML4800CP pictures?
- You can use Jotrin's intelligent search engine, or filter by Power Factor Correction ICs category, or find it through Fairchild Semiconductor (ON Semiconductor) Information page.
- Q: Are the FAIRCHILD's ML4800CP price and stock displayed on the platform accurate?
- The FAIRCHILD's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for ML4800CP, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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- Q: What is the process for returns or replacement of ML4800CP?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the ML4800CP we delivered, we will accept the replacement or return of the ML4800CP only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of ML4800CP.
(3)The ML4800CP is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
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