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L4976D
L4976D - Brand New STMicroelectronics DC Switching Regulators
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 L4976 is a step down monolithic power switching regulator delivering 1A at
a voltage between 3.3V and 50V (selected by a simple external divider).
Realized in BCD mixed technology, the device uses an internal power D-MOS
transistor (with a typical Rdson of 0.25Ω) to obtain very high efficency and
high switching speed.
A switching frequency up to 250KHz is achievable (the maximum power
dissipation of the packages must be observed). A wide input voltage range
between 8V to 55V and output voltages regulated from 3.3V to 40V cover the
majority of today’s applications.
Features of this new generations of DC-DC converter include pulse-by-pulse
current limit, hiccup mode for short circuit protection, voltage feedforward
regulation, protection against feedback loop disconnectionand thermal
shutdown.
The device is available in plastic dual in line, MINIDIP 8 for standard
assembly, and SO16W for SMD assembly.
■ UP TO 1A STEP DOWN CONVERTER
■ OPERATING INPUT VOLTAGE FROM 8V TO 55V
■ PRECISE 5.1V REFERENCE VOLTAGE
■ OUTPUT VOLTAGE ADJUSTABLE FROM 3.3V TO 50V
■ SWITCHING FREQUENCY ADJUSTABLE UP TO 500KHz
■ VOLTAGE FEEDFORWARD
■ ZERO LOAD CURRENT OPERATION
■ INTERNAL CURRENT LIMITING (PULSE-BY-PULSE AND HICCUP MODE)
■ PROTECTION AGAINST FEEDBACK DISCONNECTION
■ THERMAL SHUTDOWN
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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