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ML4800ISX
ML4800ISX - Brand New Fairchild Semiconductor PFC (Power Factor Correction)
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
General Description
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.
Features
• Internally synchronized leading-edge PFC and trailing-
edge 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
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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