LM3478MMX The Texas Instruments LM3478MMX is a DC-DC switching controller designed for boost, SEPIC, and flyback topologies. It features a wide input voltage range and adjustable clock frequency.
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LM3478MMX

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The Texas Instruments LM3478MMX is a DC-DC switching controller designed for boost, SEPIC, and flyback topologies. It features a wide input voltage range and adjustable clock frequency.
✓ Total Stock: 390 pcs

LM3478MMX Available from 1 distributor

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LM3478MMX Specifications Quick View

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LM3478MMX Description

Short technical summary and product information.

The LM3478MMX from Texas Instruments is a high-efficiency controller for boost, SEPIC, and flyback DC-DC converters. It is designed to work with low-side N-Channel MOSFETs, making it suitable for various switching regulator applications.

 

Key electrical specifications include a wide supply voltage range from 2.97V to 40V and an adjustable clock frequency that can be set between 100kHz and 1MHz. The controller also features an internal reference voltage with ±2.5% accuracy over temperature and a low shutdown current of 10µA.

 

Designed for versatility, the LM3478MMX includes an internal push-pull driver with 1A peak current capability, current limit, and thermal shutdown protection. It also incorporates internal soft start and current mode operation for stable performance.

 

This component is available in an 8-lead VSSOP package, suitable for surface mounting. It operates within a temperature range of -40°C to 125°C and is supplied in small tape and reel packaging.

LM3478MMX Quick Information

Product Type: DC-DC Switching Controller
Canonical Name: LM3478MMX DC-DC Switching Controller
Subcategory: Switching Regulators

LM3478MMX Compliance

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

LM3478MMX Features

  • Wide 2.97V to 40V input voltage range.
  • Adjustable 100kHz to 1MHz clock frequency.
  • Internal 1A peak current push-pull driver.
  • Suitable for boost, SEPIC, and flyback topologies.
  • Operates in -40°C to 125°C temperature range.

LM3478MMX Applications

  • Used in boost converter designs.
  • Suitable for SEPIC converter circuits.
  • Applicable to flyback converter systems.
  • Ideal for power management applications.

LM3478MMX FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the LM3478MMX?

The LM3478MMX operates with a wide supply voltage range of 2.97V to 40V.

What is the adjustable clock frequency range of the LM3478MMX?

The adjustable clock frequency for the LM3478MMX can be set from 100kHz to 1MHz.

What package type is the LM3478MMX available in?

The LM3478MMX is available in an 8-lead VSSOP package.

What is the operating temperature range for the LM3478MMX?

The LM3478MMX operates within a temperature range of -40°C to 125°C.

What is the RoHS status of the LM3478MMX?

The LM3478MMX is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the LM3478MMX?

The MSL for the LM3478MMX is Level 1.

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