LT3971IDD-3.3 The LT3971IDD-3.3 is a Switching Voltage Regulator from LT, featuring a 3.3V output and 1.2A output current. It operates with an input voltage range of 4.3V to 38V.
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LT3971IDD-3.3

Available from 1 distributors
Mfr Name: LT
LT
The LT3971IDD-3.3 is a Switching Voltage Regulator from LT, featuring a 3.3V output and 1.2A output current. It operates with an input voltage range of 4.3V to 38V.
✓ Total Stock: 4,560 pcs

LT3971IDD-3.3 Available from 1 distributor

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4,560 pcs
4560 pcs On Request 1 On Request On Request 17+ On Request On Request

LT3971IDD-3.3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Industrial Grade
SVHC Present
Storage Temperature

LT3971IDD-3.3 Description

Short technical summary and product information.

The LT3971IDD-3.3 is a high-efficiency power supply component from LT, categorized as a Switching Voltage Regulator. It is designed for applications requiring a stable 3.3V output with a maximum output current of 1.2A.

 

This device operates within an input voltage range of 4.3V to 38V, making it versatile for various power sources. Key electrical characteristics include a switching frequency of 2 MHz, a low quiescent current of 2.8 µA, and an operating supply current of 1.7 µA. The regulator is built on a Buck topology.

 

Packaged in a DFN-10 surface-mount (SMD/SMT) configuration, the LT3971IDD-3.3 is suitable for automated assembly processes. It operates reliably within a temperature range of -40°C to +125°C.

 

Environmental compliance includes RoHS3 compliance, Moisture Sensitivity Level 1, and REACH unaffected status. The factory pack quantity is 121 units.

LT3971IDD-3.3 Quick Information

Product Type: DC DC Converter
Series: LT3971
Canonical Name: LT3971IDD-3.3 Switching Voltage Regulator
Subcategory: DC DC Converters

LT3971IDD-3.3 Compliance

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

LT3971IDD-3.3 Features

  • 3.3V output voltage.
  • 1.2A maximum output current.
  • 4.3V to 38V input voltage range.
  • 2 MHz switching frequency.
  • Low quiescent and operating currents.

LT3971IDD-3.3 Applications

  • Wide input range for automotive systems
  • Low quiescent current for battery devices
  • High switching frequency reduces external components
  • Fixed 3.3V output for logic power
  • Compact DFN package for space-constrained designs

LT3971IDD-3.3 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LT3971IDD-3.3?

The output voltage is 3.3 V.

What is the maximum output current for the LT3971IDD-3.3?

The maximum output current is 1.2 A.

What is the input voltage range for the LT3971IDD-3.3?

The input voltage range is 4.3 V to 38 V.

What is the switching frequency of the LT3971IDD-3.3?

The switching frequency is 2 MHz.

What is the operating temperature range for the LT3971IDD-3.3?

The operating temperature range is -40°C to +125°C.

What package type is the LT3971IDD-3.3 in?

The package type is DFN-10.

How is the LT3971IDD-3.3 mounted?

It is a SMD/SMT mounting style.

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