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High Voltage 1.5A, 200kHz Step-Down Switching Regulator with 100mA Quiescent Current
| Manufacturer : | Analog Devices, Inc |
|---|---|
| Package/Case : | TSSOP16 |
| Product Categories : | Switch, DC to DC regulator, the controller |
| Datasheet: | LT1976IFE Datasheet (PDF) |
| RoHs Status: | Lead free/RoHS Compliant |
| Marking Code: | 1976IFE |
| In-stock: | 3100 |
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LT1976IFE Product Details
The LT1976/LT1976B are 200kHz monolithic step-down switching regulators that accept input voltages up to 60V. A high efficiency 1.5A, 0.2Ω switch is included on the die along with all the necessary oscillator, control and logic circuitry. Current mode topology is used for fast transient response and good loop stability.
Innovative design techniques along with a new high voltage process achieve high efficiency over a wide input range. Efficiency is maintained over a wide output current range by employing Burst Mode operation at low currents, utilizing the output to bias the internal circuitry, and by using a supply boost capacitor to fully saturate the power switch. The LT1976B does not shift into Burst Mode operation at low currents, eliminating low frequency output ripple at the expense of efficiency. Patented circuitry maintains peak switch current over the full duty cycle range.* Shutdown reduces input supply current to less than 1µA. External synchronization can be implemented by driving the SYNC pin with logic-level inputs. A single capacitor from the CSS pin to the output provides a controlled output voltage ramp (soft-start). The devices also have a power good flag with a programmable threshold and time-out and thermal shutdown protection.
The LT1976/LT1976B are available in a 16-pin TSSOP package with Exposed Pad leadframe for low thermal resistance.
Feature
- Wide Input Range: 3.3V to 60V
- 1.5A Peak Switch Current (LT1976)
- 100µA Quiescent Current (LT1976)**
- 1.6mA Quiescent Current (LT1976B)
- Low Shutdown Current: IQ < 1µA
- Power Good Flag with Programmable Threshold
- Load Dump Protection to 60V
- 200kHz Switching Frequency
- Saturating Switch Design: 0.2Ω On-Resistance
- Peak Switch Current Maintained Over Full Duty Cycle Range*
- 1.25V Feedback Reference Voltage
- Easily Synchronizable
- Soft-Start Capability
- Small 16-Pin Thermally Enhanced TSSOP Package
Applications
- High Voltage Power Conversion
- 14V and 42V Automotive Systems
- Industrial Power Systems
- Distributed Power Systems
- Battery-Powered Systems
(Picture: Pinout)
(Picture: Diagram)
Technical Parameters
- Number of Outputs
- 1
- Vinmin | V
- 3.3
- Vinmax | V
- 60
- Output Currenttyp | A
- 1.24
- Isupplytyp | A
- 100µ
- Monolithic
- Yes
- Synchronous
- No
LT1976IFE Datasheet
-
LT1976 Technical Documentation/Data sheet
LT1976IFE Equivalent Parts
For the LT1976IFE component, you may consider these replacement and alternative parts.
| Models | Manufacturer | Package/Case | Description |
|---|---|---|---|
| LT1976DIFE | |||
| LT1976AIFE | |||
| LT1976BIFE | ADI | TSSOP-16 | High Voltage 1.5A, 200kHz Step-Down Switching Regulator with 100μA Quiescent Current; Package: TSSOP; No of Pins: 16; Temperature Range: -40°C to +85°C |
LT1976IFE Related Products
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- Lead Time
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- 7-30 days
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Packing
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Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
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 LT1976IFE is the original manufacturer or agent of ADI?
- We have a professional business development department to strictly test and verify the qualifications of ADI original manufacturers and agents. All ADI suppliers must pass the qualification review before they can publish their LT1976IFE devices; we pay more attention to the channels and quality of LT1976IFE products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
- Q: How to find the detailed information of LT1976IFE chips? Including ADI original factory information, Switch, DC to DC regulator, the controller application, LT1976IFE pictures?
- You can use Jotrin's intelligent search engine, or filter by Step-Down (Buck) Regulators ; Micropower Buck Regulators category, or find it through Analog Devices, Inc Information page.
- Q: Are the ADI's LT1976IFE price and stock displayed on the platform accurate?
- The ADI's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for LT1976IFE, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
- Q: Can I place an order offline?
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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?
- TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
- 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.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
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 LT1976IFE?
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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 LT1976IFE we delivered, we will accept the replacement or return of the LT1976IFE 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 LT1976IFE.
(3)The LT1976IFE 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 LT1976IFE datasheet pdf, LT1976 pin diagram?
- Need any After-Sales service, please feel free contact us: sales@jotrin.com
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