Products > Integrated Circuits (ICs) > LT8495
LT8495 20-Lead TSSOP w/ EP,20-Lead QFN (4mm x 4mm x 0.75mm w/ EP)
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LT8495

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SEPIC/Boost Converter with 2A, 70V Switch, 9μA Quiescent Current, POR and Watchdog Timer

Manufacturer :
Analog Devices, Inc
Package/Case :
20-Lead TSSOP w/ EP,20-Lead QFN (4mm x 4mm x 0.75mm w/ EP)
Product Categories :
Step-Up (Boost) Regulators ; Micropower Boost
Datasheet:
LT8495 PDF
RoHs Status:
Lead free / RoHS Compliant
In-stock:
2923

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LT8495 Product Details

The LT�8495 is an adjustable frequency (250kHz to 1.5MHz) monolithic switching regulator with a power-on reset and watchdog timer. Quiescent current can be less than 9μA when operating and is ~0.3μA when SWEN, WDE and RSTIN are low. Configurable as a SEPIC, boost or flyback converter, the low ripple Burst Mode operation maintains high efficiency at low output current while keeping output ripple below 10mV. Dual supply pins (VIN and BIAS) allow the part to automatically operate from the most efficient supply. Input supply voltage can be up to 60V for SEPIC topologies and up to 32V (with ride-through up to 60V) for boost and flyback topologies. After start-up, battery life is extended since the part can draw current from its output (BIAS) even when VIN voltage drops below 2.5V. The reset and watchdog timeout periods are independently adjustable using external capacitors. Using a resistor divider on the SWEN pin provides a programmable undervoltage lockout (UVLO) for the converter. A resistor divider connected to RSTIN provides UVLO control that asserts the RST pin. Additional features such as frequency foldback and softstart are integrated. Fault tolerance in the TSSOP allows for adjacent pin shorts or an open without raising the output voltage above its programmed value. The LT8495 is available in a 20-lead TSSOP package with exposed pads for low thermal resistance.

Feature

  • Wide Input Voltage Range of ~1V to 60V (2.5V to 32V for Start-Up)
  • Low Ripple Burst Mode® Operation
    • 9μA IQ at 12VIN to 5.0VOUT
    • Output Ripple (<10mV Typ.)
  • Dual Supply Pins:
    • Improves Efficiency
    • Reduces Minimum Supply Voltage to ~1V after Start-Up to Extend Battery Life
  • Integrated 2A/70V Power Switch
  • Programmable Watchdog Timer Can Operate When VIN Supply Is Removed
  • Programmable Power-On Reset Timer (POR) with RST Functional for Input Supply Down to 1.3V
  • FMEA Fault Tolerant in TSSOP Package
  • Fixed Frequency PWM, SEPIC/BOOST/FLYBACK Topologies
  • Programmable Switching Frequency: 250kHz to 1.5MHz
  • UVLO Programmable on SWEN and RSTIN Pins
  • Soft-Start Programmable with One Capacitor
  • Small 20-Lead QFN or 20-Lead TSSOP Packages

Applications

  • Automotive ECU Power
  • Power for Portable Products
  • Industrial Supplies

Technical Parameters

Number of Outputs 1 Vout Maxtyp | V 70
Vinmin | V 1 Isupplytyp | A
Vinmax | V 60 Synchronous No
Switch Currenttyp | A 2.55

LT8495 Documents

  • LT8495 Technical Documentation/Data sheet

LT8495 Related Products

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Estimated Delivery Time: Feb 02 - Feb 07 days (choose Expedited at checkout).

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2-5 days
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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

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Packing

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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

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.We provide 90 days warranty.

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 LT8495 is the original manufacturer or agent of AD?
We have a professional business development department to strictly test and verify the qualifications of AD original manufacturers and agents. All AD suppliers must pass the qualification review before they can publish their LT8495 devices; we pay more attention to the channels and quality of LT8495 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of LT8495 chips? Including AD original factory information, Step-Up (Boost) Regulators ; Micropower Boost application, LT8495 pictures?
You can use Jotrin's intelligent search engine, or filter by Step-Up (Boost) Regulators ; Micropower Boost category, or find it through Analog Devices, Inc Information page.
Q: Are the AD's LT8495 price and stock displayed on the platform accurate?
The AD's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for LT8495, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
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?
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 LT8495?
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 LT8495 we delivered, we will accept the replacement or return of the LT8495 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 LT8495.
(3)The LT8495 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 LT8495 datasheet pdf, LT8495 pin diagram?
Need any After-Sales service, please feel free contact us: sales@jotrin.com

Analog Devices, Inc

AD
Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized...
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