LT1171IT The LT1171IT is a monolithic high-power switching regulator from Linear Technology. It offers high efficiency and operates in various switching configurations.
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LT1171IT

Available from 1 distributors
Mfr Name: LT
LT
The LT1171IT is a monolithic high-power switching regulator from Linear Technology. It offers high efficiency and operates in various switching configurations.
✓ Total Stock: 10,200 pcs

LT1171IT Available from 1 distributor

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10,200 pcs
10200 pcs On Request 1 On Request On Request 09+ On Request On Request

LT1171IT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Topology

LT1171IT Description

Short technical summary and product information.

The LT1171IT is a monolithic high-power switching regulator manufactured by Linear Technology. It is designed for high efficiency and can be operated in multiple standard switching configurations including buck, boost, flyback, forward, inverting, and Cuk.

 

Key electrical specifications include a wide input voltage range from 3V to 40V, a switch current of 2.5A, and a nominal operating frequency of 100kHz. It also features a low quiescent current of 6mA and a shutdown mode that draws only 50µA supply current. The device is self-protected against overloads and requires very few external parts for operation.

 

This switching regulator is available in a 5-pin TO-220 package, making it easy to integrate into designs. It supports external synchronization with a frequency sync range of 120kHz to 160kHz. The operating temperature range is from -40°C to 85°C.

 

The LT1171IT is suitable for a variety of power supply applications where high efficiency and robust performance are required. Its integrated switch, control, and protection circuitry simplify design and enhance reliability.

LT1171IT Quick Information

Product Type: Switching Regulator
Series: LT1171
Canonical Name: LT1171IT Switching Regulator
Subcategory: DC-DC Switching Regulators

LT1171IT Compliance

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

LT1171IT Features

  • High efficiency switching regulator.
  • Wide 3V to 40V input voltage range.
  • Internal 2.5A switch.
  • Operates at 100kHz frequency.
  • Low quiescent and shutdown currents.

LT1171IT Applications

  • Suitable for buck converters.
  • Ideal for boost converters.
  • Used in flyback converters.
  • Applicable to SEPIC converters.

LT1171IT FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the LT1171IT?

The input voltage range is from 3V to 40V.

What is the switch current rating of the LT1171IT?

The switch current is 2.5A.

What is the operating frequency of the LT1171IT?

The operating frequency is 100kHz.

What is the operating temperature range for the LT1171IT?

The operating temperature range is from -40°C to 85°C.

What package is the LT1171IT available in?

The LT1171IT is available in a DDPAK-5 package.

What topologies can the LT1171IT operate in?

The LT1171IT can operate in Boost, Flyback, and Sepic topologies.

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