Part Number: LM46002PWPR

Manufacturer: Texas Instruments

Description: IC REG BUCK ADJ 2A 16HTSSOP

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Technical Specifications of LM46002PWPR

Datasheet  LM46002PWPR datasheet
Category Integrated Circuits (ICs)
Family PMIC – Voltage Regulators – DC DC Switching Regulators
Manufacturer Texas Instruments
Packaging Tape & Reel (TR)
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage – Input (Min) 3.5V
Voltage – Input (Max) 60V
Voltage – Output (Min/Fixed) 1V
Voltage – Output (Max) 28V
Current – Output 2A
Frequency – Switching 200kHz ~ 2.2MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 16-TSSOP (0.173″, 4.40mm Width) Exposed Pad
Supplier Device Package 16-HTSSOP

LM46002PWPR Introduction

The LM46002PWPR regulator is a synchronous step-down DC/DC converter that is very flexible and easy to use. It is made to meet a wide range of power needs. With an input voltage range of 3.5V to 60V and a load current of up to 2A, it can be used in many different situations.

The LM46002PWPR is known for its high efficiency, which means that it converts power well and loses as little energy as possible. It also has great output accuracy, giving a stable and accurate voltage output.

The LM46002PWPR regulator has great performance and a small solution size, which makes it great for designs with limited room. This trait makes integration easier and lets designers make power management systems that are small and work well.

LM46002PWPR Principle of Operation

The LM46002PWPR works like a synchronous step-down DC/DC converter, which is also called a “buck converter.” Its design lets it change a higher input voltage to a lower output voltage quickly and accurately while keeping a low drop-out voltage.

The regulator has two main parts: a power MOSFET on the high side and a synchronous rectifier on the low side. During operation, these MOSFETs are turned on and off at high frequencies, usually between a few hundred kilohertz and a few megahertz, by an internal control system.

When the high-side MOSFET is turned on, current moves from the source of the input voltage through an inductor. The magnetic field of the inductor stores energy. At the same time, the low-side MOSFET is off, which stops the flow of current to the output.

When the high-side MOSFET is turned off, the energy in the magnetic field of the inductor looks for a way to get out. Then, the low-side synchronous rectifier is turned on, which lets the current run through it. This completes the circuit and sends power to the output.

By switching back and forth between the high-side and low-side MOSFETs, the LM46002PWPR successfully steps down the voltage from the input to the lower output voltage that is wanted. This process makes it possible to convert power in a way that wastes as little energy as possible and works as well as possible.

A feedback control system is built into the regulator to keep the output accurate. It constantly checks the output voltage and changes the duty cycle of the high-side and low-side MOSFETs to keep the output voltage level stable and accurate, even if the input voltage or load changes.

The design of the LM46002PWPR regulator also makes sure that the drop-out voltage is low. The drop-out voltage is the minimum voltage difference between the input and output voltages that the regulator needs to work properly. This low drop-out voltage lets the regulator control the output voltage well, even when the input voltage is close to the desired output voltage.

Key Features and Benefits

The LM46002PWPR regulator has a number of key features and benefits that make it perform well and work well for a variety of applications:

  • Extraordinary Effectiveness: The LM46002PWPR regulator is very efficient, wasting as little power as possible and converting as much power as possible. This is made possible by its synchronous step-down DC/DC converter design, which reduces energy loss and improves the total efficiency of the system. By converting power in an efficient way, the regulator helps to save energy, extend the life of the battery, and lower running costs.
  • Output Accuracy: The regulator has a high level of output accuracy, which means that the output voltage is stable and accurate even when the load changes. This accuracy is very important for sensitive electrical parts and systems that need a consistent and reliable power source. It helps stop power changes that could hurt the performance and dependability of devices further down the line.
  • Small Solution Size: The LM46002PWPR regulator is made to be small, which makes it a good choice for applications with limited room. Its small size makes it easy to use in designs with limited board space. This makes it possible to make power control solutions that are both small and dense. This trait is especially helpful in portable electronics, electronics for cars, and other situations where size and weight are important.
  • Improved Performance: The LM46002PWPR regulator improves the performance of the whole system because of its high efficiency and accurate control of the output voltage. It provides a stable and reliable power source, lowering the risk of problems caused by voltage and making sure that all connected parts work at their best. This better speed means that the system is more reliable, has less downtime, and gives users a better experience.
  • Power Losses Are Lower: Because the LM46002PWPR converter is good at converting power, it loses less power. This means that less heat is produced, which reduces the need for complicated cooling systems and makes the whole system more reliable. Reduced power loss also helps the regulator and other parts last longer.

Overall, the LM46002PWPR regulator is a great choice for a wide range of applications because of its high efficiency, accurate output, small solution size, better performance, and low power loss. It lets designers make power control solutions that are small and efficient. This makes sure that power is delivered reliably and precisely to different electronic systems.


The LM46002PWPR regulator is the best choice for power control solutions in a wide range of applications because it is easy to use, has high efficiency, accurate output, and a small size. Its easy-to-use design makes merging easier, and its high efficiency keeps energy loss to a minimum. With the regulator’s accurate output, you can be sure that the voltage will be stable and accurate. Its small size makes it easy to use in designs with limited room.

Adding the LM46002PWPR regulator to your projects will improve their performance and make sure that power is always delivered reliably. Use its great features to improve your electronic designs and make power control more efficient. Our focused team at ICRFQ is ready to help you get started and guide you through the planning process. Contact us today, and we’ll help you use the LM46002PWPR regulator in your projects.

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