LT1172CT The LT1172CT is a monolithic high-power switching regulator from LT, designed for high efficiency. It features a wide input voltage range and a 1.25A internal switch.
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LT1172CT

Available from 1 distributors
Mfr Name: LT
LT
The LT1172CT is a monolithic high-power switching regulator from LT, designed for high efficiency. It features a wide input voltage range and a 1.25A internal switch.
✓ Total Stock: 27,500 pcs

LT1172CT Available from 1 distributor

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✓ Non-Authorised
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27,500 pcs
27500 pcs On Request 1 On Request On Request 09+ On Request On Request

LT1172CT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Frequency
Number of Outputs
Package / Case
Topology

LT1172CT Description

Short technical summary and product information.

The LT1172CT is a monolithic high-power switching regulator manufactured by LT. It is designed for high efficiency and can operate in various switching configurations including buck, boost, flyback, and inverting topologies. Key features include a wide input voltage range from 3V to 40V and an internal switch capable of handling 1.25A.

 

This device integrates oscillator, control, and protection circuitry, making it easy to use with few external components. It operates at a nominal frequency of 100kHz and includes features like shutdown mode with low supply current draw. The LT1172CT is available in a standard TO-220 power package.

 

Its self-protected nature against overloads and ability to operate in diverse switching topologies make it suitable for power conversion applications. The device also supports external synchronization within a specified range.

LT1172CT Quick Information

Product Type: Switching Regulator
Series: LT1172
Canonical Name: LT1172CT Switching Regulator
Subcategory: DC/DC Switching Controllers and Regulators

LT1172CT Compliance

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

LT1172CT Features

  • High efficiency switching regulator.
  • Wide 3V to 40V input voltage range.
  • Internal 1.25A switch.
  • Operates at 100kHz frequency.
  • TO-220 package for power applications.

LT1172CT Applications

  • Suitable for power conversion.
  • Used in boost converter designs.
  • Applicable for flyback regulators.
  • Supports inverting configurations.

LT1172CT FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LT1172CT?

The LT1172CT operates with an input voltage from 3V to 40V.

What is the output voltage range of the LT1172CT?

The output voltage is adjustable from 1.244V to 40V.

What is the maximum switch current of the LT1172CT?

The maximum switch current is 1.25A.

What is the operating temperature range of the LT1172CT?

The operating temperature range is 0°C to 70°C.

What package is the LT1172CT available in?

The LT1172CT is available in a TO-220 package.

What topologies does the LT1172CT support?

The LT1172CT supports Boost, Flyback, and Sepic topologies.

What is the switching frequency of the LT1172CT?

The nominal switching frequency is 100kHz, synchronizable from 120kHz to 160kHz.

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