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| Manufacturer : | TI |
|---|---|
| Package/Case : | TO263-7 |
| Product Categories : | DC/DC Switching Converters |
| Datasheet: | LM2678SX-ADJ/NOPB Datasheet (PDF) |
| RoHs Status: | Lead free / RoHS Compliant |
| Marking Code: | LM2678 S-ADJ |
| In-stock: | 0 |
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LM2678SX-ADJ/NOPB Product Details
The LM2678SX-ADJ/NOPB series of regulators are monolithic integrated circuits which provide all of the active functions for a step-down (buck) switching regulator capable of driving up to 5-A loads with excellent line and load regulation characteristics. High efficiency (>90%) is obtained through the use of a low ON-resistance DMOS power switch. The series consists of fixed output voltages of 3.3 V, 5 V, and 12 V and an adjustable output version.
The SIMPLE SWITCHER? concept provides for a complete design using a minimum number of external components. A high fixed frequency oscillator (260 kHz) allows the use of physically smaller sized components. A family of standard inductors for use with the LM2678SX-ADJ/NOPB are available from several manufacturers to greatly simplify the design process.
The LM2678SX-ADJ/NOPB series also has built-in thermal shutdown, current limiting, and an ON/OFF control input that can power down the regulator to a low 50-μA quiescent current standby condition. The output voltage is ensured to a ±2% tolerance. The clock frequency is controlled to within a ±11% tolerance.
Feature
- Efficiency Up to 92%
- Simple and Easy to Design Using Off-the-Shelf External Components
- 120-mΩ DMOS Output Switch
- 3.3-V, 5-V, and 12-V Fixed Output and Adjustable (1.2 V to 37 V) Versions
- 50-μA Standby Current When Switched OFF
- ±2% Maximum Output Tolerance Over Full Line and Load Conditions
- Wide Input Voltage Range: 8 V to 40 V
- 260-kHz Fixed Frequency Internal Oscillator
- –40 to 125°C Operating Junction Temperature Range
- Create a Custom Design Using the LM2678 With the WEBENCH? Power Designer
The LM2678 series of regulators are monolithic integrated circuits which provide all of the active functions for a step-down (buck) switching regulator capable of driving up to 5-A loads with excellent line and load regulation characteristics. High efficiency (>90%) is obtained through the use of a low ON-resistance DMOS power switch. The series consists of fixed output voltages of 3.3 V, 5 V, and 12 V and an adjustable output version.
The SIMPLE SWITCHER? concept provides for a complete design using a minimum number of external components. A high fixed frequency oscillator (260 kHz) allows the use of physically smaller sized components. A family of standard inductors for use with the LM2678 are available from several manufacturers to greatly simplify the design process.
The LM2678 series also has built-in thermal shutdown, current limiting, and an ON/OFF control input that can power down the regulator to a low 50-μA quiescent current standby condition. The output voltage is ensured to a ±2% tolerance. The clock frequency is controlled to within a ±11% tolerance.
(Picture: Diagram)
Technical Parameters
- Input Voltage MAX
- 40 V
- Switching Frequency
- 260 kHz
- Output Voltage
- 1.2 V to 37 V
- Output Current
- 5 A
- Number of Outputs
- 1
- Maximum Operating Temperature
- + 125 C
- Mounting Style
- SMD/SMT
- Input Voltage MIN
- 8 V
- Minimum Operating Temperature
- - 40 C
- Operating Temperature Range
- - 40 C to + 125 C
- Package / Case
- TO-263-7
- Packaging
- Reel
- Series
- LM2678
- Factory Pack Quantity
- 500
- Supply Voltage Min
- 8 V
- Topology
- Buck
- Tradename
- SIMPLE SWITCHER
- Type
- Switching Regulators
LM2678SX-ADJ/NOPB Datasheet
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LM2678 Family Datasheet
LM2678SX-ADJ/NOPB Related Products
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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)
- 3-7 days
- UPS
- $20.00-$45.00 (0.50 KG)
- 2-5 days
- TNT
- $25.00-$65.00 (0.50 KG)
- 2-5 days
- EMS
- $25.00-$45.00 (0.50 KG)
- 5-14 days
- REGISTERED AIR MAIL
- $2.00-$3.00 (0.10 KG)
- 7-30 days
Processing Time：Shipping fee depend on different zone and country.
Payment
- Terms of payment
- Hand Fee
- Wire Transfer
- charge US$30.00 banking fee.
- Paypal
- charge 4.0% service fee.
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- charge 3.5% service fee.
- Western Union
- charge US$0.00 banking fee.
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- charge US$0.00 banking fee.
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Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
FAQ:
- Q: How does Jotrin guarantee that LM2678SX-ADJ/NOPB is the original manufacturer or agent of TI?
- We have a professional business development department to strictly test and verify the qualifications of TI original manufacturers and agents. All TI suppliers must pass the qualification review before they can publish their LM2678SX-ADJ/NOPB devices; we pay more attention to the channels and quality of LM2678SX-ADJ/NOPB products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
- Q: How to find the detailed information of LM2678SX-ADJ/NOPB chips? Including TI original factory information, DC/DC Switching Converters application, LM2678SX-ADJ/NOPB pictures?
- You can use Jotrin's intelligent search engine, or filter by Semiconductors ; Power management ; DC/DC switching regulators category, or find it through TI brand manufacturer page.
- Q: Are the TI's LM2678SX-ADJ/NOPB price and stock displayed on the platform accurate?
- The TI's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for LM2678SX-ADJ/NOPB, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online. - Q: What forms of payment can I use in Jotrin?
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- Q: How is the shipping arranged and track my package?
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Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
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Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days. - Q: What is the process for returns or replacement of LM2678SX-ADJ/NOPB?
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All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the LM2678SXADJNOPB we delivered, we will accept the replacement or return of the LM2678SX-ADJ/NOPB only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of LM2678SX-ADJ/NOPB.
(3)The LM2678SX-ADJ/NOPB is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy. - Q: How to contact us and get support, such as LM2678SX-ADJ/NOPB datasheet pdf, LM2678 pin diagram?
- Need any After-Sales service, please feel free contact us: sales@jotrin.com
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