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Power Circuits / Switching Regulator or Controllers / LTC3839IUH#PBF
Datasheets
LTC3839IUH#PBF by:
Linear Technology
Analog Devices Inc
Linear Technology
Not Found

LTC3839 - Fast, Accurate, 2-Phase, Single-Output Step-Down DC/DC Controller with Differential Output Sensing; Package: QFN; Pins: 32; Temperature Range: -40°C to 85°C

Part Details for LTC3839IUH#PBF by Linear Technology

Results Overview of LTC3839IUH#PBF by Linear Technology

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LTC3839IUH#PBF Information

LTC3839IUH#PBF by Linear Technology is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Part Details for LTC3839IUH#PBF

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LTC3839IUH#PBF Part Data Attributes

Parametric Data
LTC3839IUH#PBF Linear Technology
Buy Now Datasheet
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LTC3839IUH#PBF Linear Technology LTC3839 - Fast, Accurate, 2-Phase, Single-Output Step-Down DC/DC Controller with Differential Output Sensing; Package: QFN; Pins: 32; Temperature Range: -40°C to 85°C
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Rohs Code Yes
Part Life Cycle Code Transferred
Ihs Manufacturer LINEAR TECHNOLOGY CORP
Part Package Code QFN
Package Description 5 X 5 MM, LEAD FREE, PLASTIC, M0-220WHHD, QFN-32
Pin Count 32
Manufacturer Package Code UH
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Additional Feature ADJUSTABLE OUTPUT FROM 0.6 TO 5.5 V
Analog IC - Other Type SWITCHING REGULATOR
Control Mode CURRENT-MODE
Input Voltage-Max 38 V
Input Voltage-Min 4.5 V
Input Voltage-Nom 15 V
JESD-30 Code S-PQCC-N32
JESD-609 Code e3
Length 5 mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 32
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Package Body Material PLASTIC/EPOXY
Package Code HVQCCN
Package Equivalence Code LCC32,.2SQ,20
Package Shape SQUARE
Package Style CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 0.8 mm
Surface Mount YES
Switcher Configuration BUCK
Switching Frequency-Max 550 kHz
Technology CMOS
Temperature Grade AUTOMOTIVE
Terminal Finish MATTE TIN
Terminal Form NO LEAD
Terminal Pitch 0.5 mm
Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 30
Width 5 mm

LTC3839IUH#PBF Frequently Asked Questions (FAQ)

  • The maximum input voltage that can be applied to the LTC3839IUH is 60V, but it's recommended to keep it below 50V for reliable operation.

  • The compensation network can be optimized by following the guidelines in the datasheet and using the provided equations to calculate the values of the compensation components. Additionally, Linear Technology provides a compensation tool that can be used to simplify the process.

  • The maximum output current that the LTC3839IUH can deliver is 3A, but it's limited by the thermal performance of the package and the PCB design. It's recommended to keep the output current below 2A for reliable operation.

  • To minimize noise and EMI, it's recommended to follow good PCB layout practices such as keeping the input and output traces separate, using a solid ground plane, and placing the input and output capacitors close to the IC. Additionally, it's recommended to use a shielded inductor and to keep the switching node away from sensitive analog circuits.

  • The recommended operating temperature range for the LTC3839IUH is -40°C to 125°C, but it's recommended to keep the junction temperature below 125°C for reliable operation.