LM1770SMF
| Manufacturer Part | LM1770SMF |
|---|---|
| Manufacturer | National Semiconductor |
| Description | SWITCHING CONTROLLER, VOLTAGE-MO |
| Category | Integrated Circuits (ICs) |
| RoHS | Lead free / RoHS Compliant |
| Warranty | 365 days |
| Datasheet | - |
Product Attributes
| Type | Description |
|---|---|
| Product Status: | Active |
| Output Type: | Transistor Driver |
| Function: | Step-Down |
| Output Configuration: | Positive |
| Topology: | Buck |
| Number of Outputs: | 1 |
| Output Phases: | 1 |
| Voltage - Supply (Vcc/Vdd): | 2.8V ~ 5.5V |
| Frequency - Switching: | 100kHz ~ 1MHz |
| Duty Cycle (Max): | - |
| Synchronous Rectifier: | Yes |
| Clock Sync: | No |
| Serial Interfaces: | - |
| Control Features: | - |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Mounting Type: | Surface Mount |
| Package / Case: | SC-74A, SOT-753 |
| Supplier Device Package: | SOT-23-5 |
Shipping
| Shipping Type | Ship Fee | Lead Time |
| DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
| Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
| UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
| TNT | $20.00-$40.00 (0.50 KG) | 2-6 days |
| EMS | $20.00-$40.00 (0.50 KG) | 3-7 days |
| REGISTERED AIR MAIL | $2.5-$7 (0.50 KG) | 20-35 days |
Payment
| Payment method | Hand Fee |
| Telegraphic Transfer | charge US$30.00 banking fee. |
| Paypal | charge 4.0% service fee. |
| Credit Card | charge 4% service fee. |
| Western Union | charge US$0.00 banking fee. |
| Money Gram | charge US$0.00 banking fee. |
Guarantees
- We provide 90 days warranty;
- The Pre-Shipment Inspection (PSI) will be applied;
- If some of the items you received aren't of perfect quality, we would responsibly arrange your refund or replacement. But the items must remain their original condition;
- If you don't receive the item in 25 days, just let us know, a new package or replacement will be issued.
- If your item is significantly different from our product description, you can A: Return it and get a full refund, or B: Get a partial refund and keep the item.
- Taxes & VAT will not be included;
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