LT3663EDCB#PBF The LT3663EDCB#PBF from Analog Devices is a current mode step-down switching regulator. It offers a wide operating input voltage range and a programmable output current limit.
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LT3663EDCB#PBF

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Mfr Name: LT
LT
The LT3663EDCB#PBF from Analog Devices is a current mode step-down switching regulator. It offers a wide operating input voltage range and a programmable output current limit.
✓ Total Stock: 640 pcs

LT3663EDCB#PBF Available from 1 distributor

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LT3663EDCB#PBF Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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LT3663EDCB#PBF Description

Short technical summary and product information.

The LT3663EDCB#PBF is a step-down switching regulator manufactured by Analog Devices, Inc. This component is designed for efficient power conversion, operating within a wide input voltage range of 7.5V to 36V, with transient protection up to 60V. It features a programmable output current limit, adjustable from 0.4A to 1.2A, which helps in controlling system power dissipation and reducing the size of power path components.

 

Key electrical characteristics include a typical output current of 1.2A and a minimum output voltage of 0.8V. The regulator operates at fixed switching frequencies of 1.5MHz (LT3663) or 1MHz (LT3663-X). It also includes features such as low switch VCESAT of 275mV at 1A, internal compensation, thermal protection, and an integrated boost diode. Fixed output voltage versions of 3.3V and 5V are available.

 

The LT3663EDCB#PBF is available in thermally enhanced 8-lead DFN and MSOP packages with exposed pads for improved thermal performance. These packages are suitable for surface mount applications. The regulator is designed for various applications including distributed supply regulation, automotive battery regulation, industrial supplies, and wall transformer regulation.

LT3663EDCB#PBF Quick Information

Product Type: Step-Down Switching Regulator
Series: LT3663
Canonical Name: LT3663EDCB#PBF Step-Down Switching Regulator
Subcategory: DC-DC Switching Regulator

LT3663EDCB#PBF Compliance

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

LT3663EDCB#PBF Features

  • Wide 7.5V to 36V input voltage range.
  • Programmable output current limit (0.4A to 1.2A).
  • Available in 3.3V and 5V fixed output options.
  • Integrated boost diode and internal compensation.
  • Thermally enhanced DFN and MSOP packages.

LT3663EDCB#PBF Applications

  • Suitable for automotive battery regulation.
  • Used in industrial power supply designs.
  • Ideal for wall transformer regulation.
  • Supports distributed supply regulation.

LT3663EDCB#PBF FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LT3663EDCB#PBF?

The input voltage range is 7.5V to 36V, with 60V transient protection.

What is the output current capability?

The typical output current is 1.2A, with a programmable current limit from 0.4A to 1.2A.

What switching frequency does the LT3663EDCB#PBF operate at?

The LT3663 variant operates at 1.5MHz; the LT3663-X variant operates at 1MHz.

What packages are available for this regulator?

The LT3663EDCB#PBF is available in DFN and MSOP packages.

What output voltage options does the LT3663EDCB#PBF support?

It supports fixed 3.3V or 5V output, or an adjustable output down to 0.8V.

What is the switch saturation voltage?

The switch VCEsat is 275mV maximum at 1A load.

How many outputs does the LT3663EDCB#PBF have?

It has a single output.

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