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LT3420EDD#TRPBF - Analog Devices

Description: harges 220µF to 320V in 3.7 Seconds from 5V (LT3420) ■ Charges 100µF to 320V in 3.5 Seconds from 5V (LT3420-1) ■ Charges Any Size Photoflash Capacitor ■ Supports Operation from Two AA Cells or Any Supply from 1.8V to 16V ■ Controlled Peak Switch Current: 1.4A (LT3420) 1.0A (LT3420-1) ■ Controlled Input Current: 840mA (LT3420) 450mA (LT3420-1)

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LT3420EDD#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LT3420EDD#TRPBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DD Package 10-Lead Plastic DFN (3mm × 3mm)
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3D Models
LT3420EDD#TRPBF - Analog Devices - 3D model - Small Outline No-lead - DD Package 10-Lead Plastic DFN (3mm × 3mm)
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LT3420EDD#TRPBF Details

  • Manufacturer Part Number:

    LT3420EDD#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    3 X 3 MM, PLASTIC, MO-229WEED-2, DFN-10

  • Pin Count:

    10

  • Manufacturer Package Code:

    05-08-1699

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • JESD-30 Code:

    S-PDSO-N10

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max (Vsup):

    16 V

  • Supply Voltage-Min (Vsup):

    2.5 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    3 mm

LT3420EDD#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3420EDD#TRPBF involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability and prevent oscillations, it's essential to follow the recommended component values and layout guidelines in the datasheet. Additionally, make sure to use a sufficient output capacitor with low ESR, and consider adding a small ceramic capacitor in parallel with the output capacitor to improve stability.
  • The LT3420EDD#TRPBF is rated for operation up to 125°C junction temperature. However, for reliable operation, it's recommended to keep the ambient temperature below 85°C to ensure a sufficient margin for thermal derating.
  • While it's possible to use a different inductor value or type, it's not recommended as it may affect the converter's performance and stability. The recommended inductor values and types in the datasheet are optimized for the device's operating frequency and output characteristics.
  • To troubleshoot issues with the converter, start by verifying the input voltage, output load, and component values. Check for any signs of overheating, and ensure that the PCB layout and component placement follow the recommended guidelines. Use an oscilloscope to measure the output voltage and current waveforms, and consult the datasheet and application notes for guidance on troubleshooting common issues.

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LT3420EDD#TRPBF Overview

Use the download button to access the LT3420EDD#TRPBF schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LT342, or try a keyword search, such as Other Signal Circuits

About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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