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LM5122MH The Texas Instruments LM5122MH is a current mode synchronous boost controller. It supports a wide input voltage range and high output voltages.
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LM5122MH

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM5122MH is a current mode synchronous boost controller. It supports a wide input voltage range and high output voltages.
✓ Total Stock: 2,000 pcs

LM5122MH Available from 1 distributor

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2,000 pcs
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LM5122MH Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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LM5122MH Description

Short technical summary and product information.

The Texas Instruments LM5122MH is a versatile DC DC switching controller designed for boost, flyback, forward, and SEPIC topologies. It features a wide input voltage range from 3V to 65V and can provide an output voltage up to 100V. The controller operates in current mode and offers features such as frequency synchronization, phase interleaving, and adjustable UVLO.

 

With a maximum duty cycle of 100% and a switching frequency up to 1 MHz, the LM5122MH is suitable for various power management applications. It includes robust 3A integrated gate drivers and adaptive dead-time control. The device operates within a temperature range of -40°C to 125°C and is available in thermally enhanced 20 or 24-pin HTSSOP packages.

 

Key electrical characteristics include a typical quiescent current of 0.004A and a low shutdown quiescent current of 9µA. It also provides a 1.2V reference with ±1% accuracy and programmable features like cycle-by-cycle current limit and hiccup-mode overload protection.

LM5122MH Quick Information

Product Type: DC DC Switching Controller
Canonical Name: LM5122MH Wide-Input Synchronous Boost Controller
Subcategory: Power Management ICs

LM5122MH Compliance

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

LM5122MH Features

  • Wide input voltage range 3V to 65V.
  • High output voltage capability up to 100V.
  • Current mode control for stability.
  • Synchronous boost controller with multiphase capability.
  • Available in 20 or 24-pin HTSSOP packages.

LM5122MH Applications

  • Suitable for boost converter designs.
  • Supports flyback and SEPIC topologies.
  • Ideal for high voltage output applications.
  • Used in power management systems.

LM5122MH FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LM5122MH?

3V to 65V (4.5V for start-up).

What output voltage can the LM5122MH provide?

3V to 100V.

What is the operating temperature range?

-40°C to 125°C.

What package options are available?

HTSSOP-20 and HTSSOP-24 (PWP).

What is the switching frequency?

Up to 1 MHz.

What control mode does the LM5122MH use?

Current mode control.

What is the maximum duty cycle?

100%.

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