Продукция > Интегральные схемы (ИС) > ИС для управления питанием > LT3471EDD#TRPBF

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Conv DC-DC 2.4V to 16V Inv/Step Up Dual-Out 1V to 40V/-40V Automotive

Производитель : Analog Devices, Inc
Упаковка/Ящик : QFN10
категорий продукта : Voltage Regulators - DC DC Switching Regulators
Datasheet: LT3471EDD#TRPBF Datasheet (PDF)
RoHs Status: Pb-free Halide free
Наличность: 695


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LT3471EDD#TRPBF информация о продукте

The LT3471EDD#TRPBF dual switching regulator combines two 42V, 1.3A switches with error amplifiers that can sense to ground providing boost and inverting capability. The low VCESAT bipolar switches enable the device to deliver high current outputs in a small footprint. The LT3471EDD#TRPBF switches at 1.2MHz, allowing the use of tiny, low cost and low profile inductors and capacitors. High inrush current at start-up is eliminated using the programmable soft-start function, where an external RC sets the current ramp rate. A constant frequency current mode PWM architecture results in low, predictable output noise that is easy to filter.

The LT3471EDD#TRPBF switches are rated at 42V, making the device ideal for boost converters up to ±40V as well as SEPIC and flyback designs. Each channel can generate 5V at up to 630mA from a 3.3V supply, or 5V at 510mA from four alkaline cells in a SEPIC design. The device can be configured as two boosts, a boost and inverter or two inverters.

The LT3471EDD#TRPBF is available in a low profile (0.75mm) 10-lead 3mm × 3mm DFN package.



  • 1.2MHz Switching Frequency
  • Low VCESAT Switches: 330mV at 1.3A
  • High Output Voltage: Up to 40V
  • Wide Input Range: 2.4V to 16V
  • Inverting Capability
  • 5V at 630mA from 3.3V Input
  • 12V at 320mA from 5V Input
  • –12V at 200mA from 5V Input
  • Uses Tiny Surface Mount Components
  • Low Shutdown Current: <1µA
  • Low Profile (0.75mm) 10-Lead 3mm × 3mm DFN Package


  • Organic LED Power Supply
  • Digital Cameras
  • White LED Power Supply
  • Cellular Phones
  • Medical Diagnostic Equipment
  • Local ±5V or ±12V Supply
  • TFT-LCD Bias Supply
  • xDSL Power Supply

LT3471EDD#TRPBF Pinout
(Картинка: Pinout)

LT3471EDD#TRPBF Block Diagram
(Картинка: Diagram)

Технические параметры

  • Function
  • Step-Up, Step-Up/Step-Down
  • Output Configuration
  • Positive and Negative (Dual Rail)
  • Topology
  • Boost, Cuk, Flyback, SEPIC
  • Output Type
  • Adjustable
  • Number of Outputs
  • 2
  • Voltage Input (Min)
  • 2.1V
  • Voltage Input (Max)
  • 16V
  • Voltage Output (Min/Fixed)
  • ??1V
  • Voltage Output (Max)
  • ??40V
  • Current Output
  • 1.3A
  • Frequency Switching
  • 1.2MHz
  • Synchronous Rectifier
  • No
  • Operating Temperature
  • -40??C ~ 85??C
  • Mounting Type
  • Surface Mount
  • Package / Case
  • 10-WFDFN Exposed Pad
  • Supplier Device Package
  • 10-DFN (3x3)

LT3471EDD#TRPBF Datasheet

LT3471EDD#TRPBF Связанные специальные

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Estimated Delivery Time: Jun 10 - Jun 15 days (choose Expedited at checkout).

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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.


Q: How does Jotrin guarantee that LT3471EDD#TRPBF 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 LT3471EDD#TRPBF devices; we pay more attention to the channels and quality of LT3471EDD#TRPBF products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of LT3471EDD#TRPBF chips? Including ADI original factory information, Voltage Regulators - DC DC Switching Regulators application, LT3471EDD#TRPBF pictures?
You can use Jotrin's intelligent search engine, or filter by Step-Up (Boost) Regulators ; Multiple Output Boost category, or find it through Analog Devices, Inc Information page.
Q: Are the ADI's LT3471EDD#TRPBF 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 LT3471EDD#TRPBF, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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Q: What is the process for returns or replacement of LT3471EDD#TRPBF?
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 LT3471EDD#TRPBF we delivered, we will accept the replacement or return of the LT3471EDD#TRPBF 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 LT3471EDD#TRPBF.
(3)The LT3471EDD#TRPBF is unused and only in the original unpacked packaging.
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(1)Inform us within 90 days
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More details about return electronic components please see our Return & Change Policy.
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Analog Devices, Inc

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 module used in test and measurement equipment. In 1967, the company published the first issue of its...
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