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LED Driver 40 Segment 4000uA Supply Current Automotive 32-Pin QFN EP Tube

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LT3599EUH#PBF General Description

The LT3599EUH#PBF is an LED driver integrated circuit (IC) manufactured by Analog Devices, Inc. This IC is designed for driving and controlling LEDs efficiently in various lighting applications. LED Lighting Drivers 4-String 120mA LED Drvr w/ +/-1.5% C Matc. LED Driver IC 4 Output DC DC Regulator Step-Up (Boost) Analog, PWM Dimming 120mA 32-QFN (5x5)


Analog Devices, Inc Inventory

Key Features


  • True Color PWM™ Dimming Ratio Up to 3000:1
  • Drives Four Strings of LEDs at Up to 120mA
  • Wide Input Voltage Range: 3.1V to 30V
  • Output Voltage Up to 44V
  • Regulates LED Current Even When VIN > VOUT
  • Disconnects LEDs in Shutdown
  • Programmable Maximum VOUT (Regulated)
  • Open/Short LED Protection and Fault Flags
  • Programmable LED Current Derating
  • Adjustable Frequency: 200kHz to 2.1MHz
  • Synchronizable to an External Clock
  • Analog Dimming Up to 20:1
  • Programmable Input UVLO with Hysteresis
  • Thermally Enhanced 32-Pin (5mm × 5mm) QFN and 28-Pin TSSOP Packages


  • High Efficiency: The LT3599EUH#PBF is designed for high-efficiency LED driving, making it suitable for applications where energy efficiency is crucial.
  • Wide Input Voltage Range: It typically operates with a wide input voltage range, allowing it to handle various power supply voltages.
  • Versatile Dimming Control: The IC provides versatile dimming control options, allowing you to adjust LED brightness according to your application's requirements.
  • Multiple LED Support: It can drive multiple LEDs in series or parallel configurations, making it versatile for different LED array setups.
  • Integrated Switching Regulator: The IC often includes an integrated switching regulator (step-up or step-down) for efficient voltage conversion and LED current regulation.
  • Adjustable LED Current: You can typically adjust the LED current using external components, allowing for precise control of LED brightness.
Analog Devices, Inc Original Stock


  • Display Backlighting
  • General LED Lighting
  • Automotive Lighting
  • Industrial Lighting
  • Consumer Electronics
  • Medical Devices
  • Custom LED Array Design
Analog Devices, Inc Inventory


model LT3599EUH#PBF package 32-Lead QFN (5mm x 5mm x 0.75mm w/ EP)
packingQty Tube,73 packingOption Tube
packageType 05-08-1693 rohs roHSY
lifeCycle production tempRange -40 to 125C
Manufacturer Analog Devices Inc. Product Category LED Lighting Drivers
RoHS Details Series LT3599
Mounting Style SMD/SMT Package / Case QFN-32
Number of Outputs 4 Output Output Current 120 mA
Input Voltage, Min 3.1 V Input Voltage, Max 30 V
Topology Boost Operating Frequency 200 kHz to 2.1 MHz
Output Voltage 44 V Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 125 C Features PWM Dimming, Open LED Protection
Brand Analog Devices Input Voltage 3.1 V to 30 V
Number of Channels 4 Channel Product LED Drivers
Product Type LED Lighting Drivers Factory Pack Quantity 73
Subcategory Driver ICs Supply Current - Max 4.8 mA
Type Four Strings of LED


Shipping Method

Our products are mainly transported and delivered by DHL, FedEx, UPS and other logistics partners on site -- Available to 200+ countries.

Delivery Time

The delivery time is usually within 2-7 days, depending on the logistics provider and the area of delivery.

The following are the estimated delivery times of some logistics service providers.

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We accept TT prepayment (bank transfer), paypal, credit cards, Western Union, Money Gram.

Checks and other instruments are not supported to pay for orders and customers are required to pay all possible fees, including sales tax,
customs fees, etc.

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  • Money Gram


Our policies and procedures are designed to ensure compliance with various quality specifications and to quickly resolve quality-related issues.

We promise to provide 365 days quality assurance service for all our products.

If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.


AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.
  • ESD


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  • Tube or Tray

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LT3599EUH#PBF Datasheet PDF

Preliminary Specification LT3599EUH#PBF PDF Download

LT3599EUH#PBF PDF Preview

Buying Guide

  • What is the lifespan of LT3599EUH#PBF?

    The lifespan of LT3599EUH#PBF depends on various factors such as the quality of materials used, operating conditions, and the manufacturer's recommended usage time. The datasheet provided by the manufacturer specifies the expected lifespan of the product.

  • Where can I find the full specification of LT3599EUH#PBF?

    You can find it with PDF Datasheet for LT3599EUH#PBF on this page. If it is not available, you can contact Avaq at [email protected] to inquire about the Datasheet for this part.

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  • Can I purchase samples for testing?

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