LT3640IUFD#PBF The LT3640IUFD#PBF is an adjustable DC-DC switching regulator from Analog Devices Inc. It features a buck topology with an input voltage range of 2.5V to 35V and an output voltage adjustable from 0.6V to 33.97V.
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LT3640IUFD#PBF

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Mfr Name: LT
LT
The LT3640IUFD#PBF is an adjustable DC-DC switching regulator from Analog Devices Inc. It features a buck topology with an input voltage range of 2.5V to 35V and an output voltage adjustable from 0.6V to 33.97V.
✓ Total Stock: 240 pcs

LT3640IUFD#PBF Available from 1 distributor

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LT3640IUFD#PBF Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Function
Industrial Grade
Lead Style
Mounting Type
Number of Outputs
Package / Case
Supplier Device Package
Synchronous Rectifier
Topology

LT3640IUFD#PBF Description

Short technical summary and product information.

The LT3640IUFD#PBF is a versatile DC-DC switching regulator manufactured by Analog Devices Inc. This component utilizes a buck topology, enabling efficient step-down voltage conversion. It supports a wide input voltage range from 2.5V to 35V, making it suitable for various power supply applications.

 

The regulator offers an adjustable output voltage, with a minimum fixed output of 0.6V and a maximum adjustable output up to 33.97V. It can deliver output currents of 1.1A and 1.3A, catering to moderate power requirements. The switching frequency is adjustable between 500kHz and 2MHz, allowing for optimization of component size and efficiency.

 

Designed for surface mount installation, the LT3640IUFD#PBF comes in a 28-QFN (4x5) package with an exposed pad. Its operating temperature range is -40°C to 125°C (TJ), ensuring reliable performance in demanding environments. The device features two output channels, providing flexibility in power management designs.

LT3640IUFD#PBF Quick Information

Product Type: DC DC Switching Regulator
Canonical Name: LT3640IUFD#PBF IC REG BUCK ADJ 1.1A/1.3A 28QFN
Subcategory: Voltage Regulators - DC DC Switching Regulators

LT3640IUFD#PBF Compliance

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

LT3640IUFD#PBF Features

  • Adjustable buck DC-DC switching regulator.
  • Wide 2.5V to 35V input voltage range.
  • Adjustable output from 0.6V to 33.97V.
  • Dual 1.1A and 1.3A output currents.
  • Surface mount 28-QFN package.

LT3640IUFD#PBF Applications

  • Suitable for wide input voltage applications.
  • Ideal for adjustable power supply designs.
  • Used in systems requiring dual outputs.
  • Efficient step-down voltage conversion.

LT3640IUFD#PBF FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LT3640IUFD#PBF?

The input voltage range is 2.5V (minimum) to 35V (maximum).

What is the output voltage range of the LT3640IUFD#PBF?

The minimum fixed output voltages are 0.6V and 1.265V, and the maximum output voltage is 33.97V.

What is the operating temperature range?

The junction temperature range is -40°C to 125°C.

What package is the LT3640IUFD#PBF available in?

It is available in a 28-WFQFN Exposed Pad package (supplier device package 28-QFN 4x5mm).

What is the switching frequency range?

The switching frequency can be set from 500kHz to 2MHz.

What are the output current ratings?

Output 1 is rated at 1.1A and output 2 is rated at 1.3A.

Is the LT3640IUFD#PBF a synchronous or non-synchronous regulator?

It is a non-synchronous buck regulator.

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