Datasheets
LT3942HUFD#PBF by: Analog Devices Inc

36V, 2A Synchronous Buck-Boost Converter and LED Driver

Part Details for LT3942HUFD#PBF by Analog Devices Inc

Results Overview of LT3942HUFD#PBF by Analog Devices Inc

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Applications Industrial Automation Energy and Power Systems Transportation and Logistics Renewable Energy Automotive Robotics and Drones

LT3942HUFD#PBF Information

LT3942HUFD#PBF by Analog Devices Inc 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.

Price & Stock for LT3942HUFD#PBF

Part # Distributor Description Stock Price Buy
DISTI # 02AM3123
Newark Led Driver, Buck-Boost, 2Mhz, Qfn-Ep-28 Rohs Compliant: Yes |Analog Devices LT3942HUFD#PBF RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk 0
  • 1 $11.5000
  • 10 $7.8800
  • 25 $7.2800
  • 50 $6.6800
  • 100 $6.0800
  • 250 $5.6300
  • 500 $5.5300
$5.5300 / $11.5000 Buy Now
DISTI # 161-LT3942HUFD#PBF-ND
DigiKey IC LED DRIVER RGLTR PWM 2A 28QFN Min Qty: 1 Lead time: 26 Weeks Container: Tube 54
In Stock
  • 1 $11.5000
  • 10 $7.8780
  • 73 $6.0758
  • 146 $5.6341
  • 292 $5.5250
$5.5250 / $11.5000 Buy Now
DISTI # 584-LT3942HUFD#PBF
Mouser Electronics LED Lighting Driver ICs 36V, 2A Synchronous Buck-Boost Converter and LED Driver RoHS: Compliant 48
  • 1 $10.0200
  • 10 $7.8200
  • 25 $6.8600
  • 73 $6.0300
  • 292 $5.8800
  • 511 $5.8200
  • 1,022 $5.7500
$5.7500 / $10.0200 Buy Now
Analog Devices Inc 36V, 2A Synchronous Buck-Boost Package Multiple: 73 11
  • 1 $11.5000
  • 10 $7.8780
  • 1,000 $4.4200
$4.4200 / $11.5000 Buy Now
DISTI # LT3942HUFD#PBF
Richardson RFPD POWER MANAGEMENT IC RoHS: Compliant Min Qty: 73 0
  • 73 $6.6300
  • 100 $6.2600
  • 500 $6.0900
  • 1,000 $5.9400
  • 5,000 $5.7000
$5.7000 / $6.6300 Buy Now

Part Details for LT3942HUFD#PBF

LT3942HUFD#PBF CAD Models

LT3942HUFD#PBF Part Data Attributes

LT3942HUFD#PBF Analog Devices Inc
Buy Now Datasheet
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LT3942HUFD#PBF Analog Devices Inc 36V, 2A Synchronous Buck-Boost Converter and LED Driver
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Pbfree Code No
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer ANALOG DEVICES INC
Pin Count 28
Manufacturer Package Code 05-08-1712
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Date Of Intro 2019-10-10
Samacsys Manufacturer Analog Devices
Analog IC - Other Type SWITCHING CONTROLLER
Control Mode CURRENT-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 36 V
Input Voltage-Min 3 V
Input Voltage-Nom 12 V
JESD-30 Code R-PQCC-N28
JESD-609 Code e3
Length 5 mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 28
Operating Temperature-Max 150 °C
Operating Temperature-Min -40 °C
Output Current-Max 2 A
Output Voltage-Max 36 V
Output Voltage-Min
Package Body Material PLASTIC/EPOXY
Package Code HVQCCN
Package Equivalence Code LCC28,.16X.2,20
Package Shape RECTANGULAR
Package Style CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel) 260
Seated Height-Max 0.8 mm
Surface Mount YES
Switcher Configuration BUCK-BOOST
Switching Frequency-Max 2100 kHz
Technology BIPOLAR
Terminal Finish Matte Tin (Sn)
Terminal Form NO LEAD
Terminal Pitch 0.5 mm
Terminal Position QUAD
Width 4 mm

Alternate Parts for LT3942HUFD#PBF

This table gives cross-reference parts and alternative options found for LT3942HUFD#PBF. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LT3942HUFD#PBF, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
LT3942HUFD#TRPBF Analog Devices Inc Check for Price 36V, 2A Synchronous Buck-Boost Converter and LED Driver LT3942HUFD#PBF vs LT3942HUFD#TRPBF
LT3942JUFD#TRPBF Analog Devices Inc Check for Price 36V, 2A Synchronous Buck-Boost Converter and LED Driver LT3942HUFD#PBF vs LT3942JUFD#TRPBF
LT3942EUFD#TRPBF Analog Devices Inc Check for Price 36V, 2A Synchronous Buck-Boost Converter and LED Driver LT3942HUFD#PBF vs LT3942EUFD#TRPBF

LT3942HUFD#PBF Frequently Asked Questions (FAQ)

  • A good PCB layout for optimal thermal performance involves placing the device on a thick copper plane, using thermal vias to dissipate heat, and keeping the thermal path short and direct. A 4-layer PCB with a solid ground plane and a thermal plane is recommended.

  • To ensure reliable start-up and shutdown, make sure to follow the recommended power-up and power-down sequences, and provide a stable input voltage. Also, ensure that the input voltage rises and falls monotonically, and avoid sudden changes in input voltage.

  • To minimize EMI and RFI, use a pi-filter (L-C-L) or a common-mode choke at the input, and a ferrite bead or a common-mode choke at the output. Also, ensure that the PCB layout is designed to minimize radiation and susceptibility to external interference.

  • To optimize the device for low noise and high PSRR, use a low-noise input voltage, minimize the input capacitance, and use a high-quality output capacitor with low ESR. Also, ensure that the device is operated within its recommended operating conditions.

  • For high-temperature operation, derate the device's power dissipation according to the thermal derating curve provided in the datasheet. Ensure that the device is operated within its recommended operating temperature range, and provide adequate heat sinking and thermal management.