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LT3971EMSE-5
LT3971EMSE-5 - Brand New Analog Devices / Linear Technology 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 LT®3971 is an adjustable frequency monolithic buck switching regulator that accepts a wide input voltage range up to 38V. Low quiescent current design consumes only 2.8µA of supply current while regulating with no load. Low ripple Burst Mode operation maintains high efficiency at low output currents while keeping the output ripple below 15mV in a typical application. An internally compensated current mode topology is used for fast transient response and good loop stability. A high efficiency 0.33Ω switch is included on the die along with a boost Schottky diode and the necessary oscillator, control and logic circuitry.
FEATURES
■ Ultralow Quiescent Current:
2.8µA IQ Regulating 12VIN to 3.3VOUT
■ Fixed Output Voltages: 3.3V, 5V,
2.1µA IQ Regulating 12VIN to 3.3VOUT
■ Low Ripple Burst Mode® Operation:
Output Ripple < 15mVP-P
■ Wide Input Voltage Range: 4.3V to 38V
■ 1.2A Maximum Output Current
■ Adjustable Switching Frequency: 200kHz to 2MHz
■ Synchronizable Between 250kHz to 2MHz
■ Fast Transient Response
■ Accurate 1V Enable Pin Threshold
■ Low Shutdown Current: IQ = 700nA
■ Power Good Flag
■ Soft-Start Capability
■ Internal Compensation
■ Output Voltage: 1.19V to 30V
■ Small Thermally Enhanced 10-Lead MSOP, 16-Lead
MSOP and (3mm × 3mm) DFN Packages
APPLICATIONS
■ Automotive Battery Regulation
■ Power for Portable Products
■ Industrial Supplies
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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