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ML4825CS
ML4825CS - Brand New ML IC Chips
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 ML4825 High Frequency PWM Controller is an IC controller optimized for use
in Switch Mode Power Supply designs running at frequencies to 1MHz.
Propagation delays are minimal through the comparators and logic for reliable
high frequency operation while slew rate and bandwidth are maximized on the
error amplifier. This controller is designed to work in either voltage or
current mode and provides for input voltage feed forward.
A 1V threshold current limit comparator provides cycle by-cycle current limit
while exceeding a 1.4V threshold initiates a soft-start cycle. The soft start
pin doubles as a maximum duty cycle clamp. An under-voltage lockout circuit
with 800mV of hysteresis assures low startup current and drives the outputs
low.
This controller is similar in architecture and performance to the UC1825
controller, however the ML4825 includes many features not found on the 1825.
These features are set in Italics.
FEATURES
■ Practical operation at switching frequencies to 1.0MHz
■ High current (2A peak) dual totem pole outputs
■ Wide bandwidth error amplifier
■ Fully latched logic with double pulse suppression
■ Pulse-by-pulse current limiting
■ Soft start and maximum duty cycle control
■ Under voltage lockout with hysteresis
■ Precision trimmed 5.1V bandgap reference
■ Pin compatible improved replacement for UC1825
■ Fast shut down path from current limit to outputs
■ Outputs preset to known condition after under voltage lockout
■ Soft start latch ensures full soft start cycle
■ Outputs pull low for undervotage lockout
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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