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FAN1851AN
FAN1851AN - Brand New onsemi Specialized ICs
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
Abstract
This application note describes a typical charger using the PSR controller. Both the features of this controller, as well as the operation of the power supply adaptor, are presented in detail. Based on the proposed design guideline, a design example with detailed parameters is given to demonstrate the superior performance of the controller.
Features
■ Constant-Voltage (CV) and Constant-Current (CC) Control without Secondary-
Feedback Circuitry
■ Accurate Constant Current Achieved by Fairchild’s Proprietary TRUECURRENT™
Technique
■ Green-Mode Function: PWM Frequency Decreasing Linearly
■ Fixed PWM Frequency at 42kHz with Frequency Hopping to Solve EMI Problems
■ Low Startup Current: 10μA (Typical)
■ Low Operating Current: 3.5mA (Typical)
■ Peak-Current-Mode Control
■ Cycle-by-Cycle Current Limiting
■ VDD Over-Voltage Protection (OVP)
■ VDD Under-Voltage lockout (UVLO)
■ Gate Output Maximum Voltage Clamped at 18V
■ Fixed Over-Temperature Protection (OTP)
■ Cable Compensation for Tight CV Regulation (FAN102 / FSEZ1216)
Applications
■ Battery chargers for cellular phones, cordless phones, PDAs, digital
cameras, power tools
■ Optimal choice for the replacement of linear transformers and RCC SMPS
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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