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UC1178A
UC1178A - Brand New UNIDEN 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
DESCRIPTION
The UTC UC1100 is a primary control unit for switch mode charger and adapter
applications. The controlled variable is transferred by an auxiliary winding
from the secondary to the primary side. The device uses Pulse Frequency
Modulation (PFM) method to build discontinuous conduction mode (DCM) flyback
power supplies.
The UTC UC1100 operates in primary-side sensing and regulation. Opto-coupler
and TL431 could be eliminated. It also eliminates the need of loop
compensation circuitry while maintaining stability. The UTC UC1100 achieves
excellent regulation and high average efficiency, yet meets the requirement
for no-load consumption less than 30mW.
The UTC UC1100 achieves high precision CV/CC regulation and high power
efficiency. It offers comprehensive protection coverage with auto-recovery
features including Cycle-by-cycle current limiting, output over voltage
protection, feedback loop open protection, short circuit protection, leading
edge blanking, VCC under voltage lockout, etc.
FEATURES
- Primary side control for rectangular constant current and constant voltage output
- 30mW no-load input power feasible
- Tight CC regulation performance
- Sub-microampere start-up current
- Eliminates control loop compensation circuitry
- Eliminates opto-coupler and secondary CV/CC control circuitry
- Random frequency modulation to reduce system EMI
- Flyback topology in DCM operation
- Open feedback protection
- Built-in soft start
- Short circuit protection
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 |
| $48.00 | 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. |
| $4.50 | Free | Standard Shipping | Estimated 15-30 business days via Registered Air Mail or others |
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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