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LT3790HFE#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock

Analog Devices LT3790HFE#PBF is a high-voltage synchronous 4-switch buck-boost controller supporting input voltages from 4.7V to 60V and output voltages from 0V to 60V. It features current-mode PWM control with seamless transitions between buck and boost modes. Available in a compact package for efficient power conversion.

ACTIVEIntegrated CircuitVerified Jun 2026
Package / Visual Reference
LT3790HFE#PBFSmall Outline Packages
Quick Facts
Manufacturer
Analog Devices
Package
Small Outline Packages
Pin Count
38
Lifecycle
ACTIVE
Datasheet
LT3790HFE#PBF Datasheet PDF
Category
Integrated Circuit
Price
From $8.1875(MOQ 19)
Temp Range
-40.0°C to 150.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of LT3790HFE#PBF?

  • Wide input voltage range of 4.7V to 60V with output adjustable from 0V to 60V for versatile power conversion
  • Synchronous 4-switch buck-boost topology enables high-efficiency conversion with low quiescent current
  • Current-mode PWM control with seamless buck-to-boost transition eliminates output glitches during mode changes
  • Supports 60V output regulation suitable for LED drivers and battery charging applications

What is LT3790HFE#PBF used for?

The LT3790HFE#PBF is ideal for automotive LED lighting systems requiring wide-range input (4.7V to 60V) from vehicle battery rails and stable 60V output regulation. It is also used in industrial power supplies, battery chargers, and telecom equipment where seamless buck-boost conversion is required across varying input conditions.

What are the specifications of LT3790HFE#PBF?

Pbfree CodeNo
Manufacturer Package Code05-08-1772
YTEOL10
Additional FeatureOUTPUT VOLTAGE RANGE FROM 1.2 VOLT TO 60 VOLT AND 0 VOLT TO 60 VOLT
Analog IC - Other TypeSWITCHING CONTROLLER
Control ModeCURRENT-MODE
Control TechniquePULSE WIDTH MODULATION
Input Voltage-Max60V
Input Voltage-Min4.7V
Input Voltage-Nom12V
JESD-30 CodeR-PDSO-G38
JESD-609 Codee3
Number of Functions1
Output Voltage-Max60V
Package Body MaterialPLASTIC/EPOXY
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)260
Surface MountYES
Switcher ConfigurationBUCK-BOOST
Switching Frequency-Max735kHz
TechnologyBIPOLAR
Temperature GradeAUTOMOTIVE
Terminal FinishMatte Tin (Sn)
Terminal FormGULL WING
Terminal Pitch0.5mm
Terminal PositionDUAL
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.39.00.01
Country of OriginThailand

Where can I find the LT3790HFE#PBF datasheet?

LT3790HFE#PBF Datasheet Download

Official datasheet from Analog Devices

What are equivalent replacements for LT3790HFE#PBF?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What input voltage range does the LT3790HFE#PBF support for automotive applications?

The LT3790HFE#PBF supports an input voltage range of 4.7V to 60V, making it well-suited for automotive battery systems that fluctuate between 6V and 60V during cold-crank, normal operation, and load-dump conditions. This wide range allows reliable operation across diverse vehicle power environments.

How does the LT3790HFE#PBF achieve efficient LED driver designs with output voltage above the input?

Using a synchronous 4-switch buck-boost topology, the LT3790HFE#PBF can regulate outputs from 0V to 60V regardless of whether the input is higher or lower than the output. This enables high-efficiency LED driver designs where the LED string voltage (e.g., 40V to 55V) may exceed the 12V or 24V input rail by operating seamlessly in boost mode.

When should the LT3790HFE#PBF be selected over a simple boost or buck converter?

The LT3790HFE#PBF is the preferred choice when the input voltage range overlaps with the required output voltage, such as in 24V bus systems needing 20V to 40V output. Simple single-mode converters cannot handle this overlap, while the 4-switch topology maintains stable regulation through buck, buck-boost, and boost modes without output discontinuities.

What control method does the LT3790HFE#PBF use and how does it affect transient response?

The LT3790HFE#PBF uses current-mode PWM control, which provides inherent cycle-by-cycle current limiting and fast transient response. This technique improves loop stability and reduces output voltage overshoot during load steps, allowing designers to use smaller output capacitors while maintaining tight regulation within ±2% across the 0V to 60V output range.

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About Analog Devices

Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.

View all Analog Devices parts →
AvailabilityIn Stock
Reference Price (USD)
From $8.1875
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
19+$11.2900$214.51
100+$8.2070$820.70
250+$8.1875$2046.88
pcs
Unit price: $11.2900 · Total: $214.51

In Stock · 24h Response · Worldwide Shipping

Direct Contact
WhatsApp InquiryEmail RFQ
Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

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Rajesh Patel
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