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LT8640EUDC#PBF The LT8640EUDC#PBF is a 42V, 5A synchronous step-down switching voltage regulator from Analog Devices. It features ultralow quiescent current and a compact 20-QFN package.
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LT8640EUDC#PBF

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The LT8640EUDC#PBF is a 42V, 5A synchronous step-down switching voltage regulator from Analog Devices. It features ultralow quiescent current and a compact 20-QFN package.
✓ Total Stock: 1,000 pcs
$ Price Range: $1.08

LT8640EUDC#PBF Available from 1 distributor

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LT8640EUDC#PBF Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Input Voltage
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Output Voltage
Quiescent Current
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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LT8640EUDC#PBF Description

Short technical summary and product information.

The LT8640EUDC#PBF is a high-performance switching voltage regulator designed for step-down applications. It operates with an input voltage range of 3.4V to 42V and can deliver up to 5A of continuous output current.

 

This regulator features Analog Devices' Silent Switcher architecture, minimizing EMI emissions while maintaining high efficiency. It boasts an ultralow quiescent current of 2.5µA, making it suitable for applications requiring high efficiency at very small load currents. The output voltage is adjustable, providing design flexibility.

 

Packaged in a compact 20-QFN (3x4) with an exposed pad, the LT8640EUDC#PBF is designed for surface mounting. Its operating temperature range is -40°C to 125°C (TJ), and it includes features like synchronous rectification and adjustable switching frequencies from 210kHz to 2MHz.

 

Key electrical characteristics include a 5A output current capability and an adjustable output voltage range from 0.97V to 41.9V. The device is suitable for various applications including automotive and industrial power supplies, and general-purpose step-down conversions.

LT8640EUDC#PBF Quick Information

Product Type: Switching Voltage Regulator
Canonical Name: LT8640EUDC#PBF Switching Voltage Regulator
Subcategory: PMIC - Power Management ICs

LT8640EUDC#PBF Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LT8640EUDC#PBF Estimated Pricing

Qty Low High
1+ $1.08 $1.08

Estimated market price range - modelled values for guidance only, not live distributor offers.

LT8640EUDC#PBF Features

  • 42V, 5A synchronous step-down regulator
  • Ultralow 2.5µA quiescent current
  • Adjustable output voltage
  • Silent Switcher architecture for low EMI
  • Compact 20-QFN (3x4) surface-mount package

LT8640EUDC#PBF Applications

  • Suitable for automotive battery-powered systems.
  • Ideal for industrial power supplies.
  • Used in distributed power architectures.
  • Can power FPGA and ASIC rails.
  • Suitable for low-noise automotive applications.

LT8640EUDC#PBF FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the LT8640EUDC#PBF?

The input voltage range is 3.4V to 42V.

What is the maximum output current of the LT8640EUDC#PBF?

The maximum continuous output current is 5A.

What is the quiescent current of the LT8640EUDC#PBF?

The quiescent current is 2.5µA.

What is the operating temperature range for this device?

The operating temperature range is -40°C to 125°C (TJ).

What package type is the LT8640EUDC#PBF supplied in?

It is supplied in a 20-WFQFN, 18 Leads, Exposed Pad package.

What is the switching frequency range?

The switching frequency range is 210kHz to 2MHz.

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