Overview
The LMR33610ADDAR, manufactured by Texas Instruments, is a high-efficiency synchronous buck (step-down) DC/DC converter designed for demanding industrial applications. This model is part of the SIMPLE SWITCHER® series, known for its ease of use and robust performance. It supports an input voltage range of up to 36V and delivers a maximum output current of 1A. The LMR33610ADDAR is particularly valued for its excellent light-load efficiency, output accuracy, and integrated features such as a power-good indicator and precision enable pin. Its compact 8-pin HSOIC package and pin-to-pin compatibility with other models in the series make it a versatile choice for a wide range of applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 3.8 to 36 | V | |
| Output Voltage Range | 1 to 24 | V | |
| Output Current | 1 | A | |
| Switching Frequency | 400 | kHz | |
| Quiescent Current | 24 | µA | |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | HSOIC-8 |
Key Features
- High efficiency across a wide load range.
- Integrated power-good indicator and precision enable pin for flexible system design.
- Automatic frequency foldback at light loads to enhance efficiency.
- Comprehensive protection features including thermal shutdown, input undervoltage lockout, and cycle-by-cycle current limiting.
- Pin-to-pin compatibility with other SIMPLE SWITCHER® models for scalable solutions.
Applications
The LMR33610ADDAR is widely used in industrial automation, telecommunications, and consumer electronics. Its robust design and high efficiency make it suitable for applications requiring reliable power conversion under harsh conditions. Specific uses include power supplies for sensors, actuators, and embedded systems, where its compact size and integrated features simplify design and reduce component count.
Q & A
1. What is the input voltage range of the LMR33610ADDAR?
The input voltage range is from 3.8V to 36V.
2. What is the maximum output current it can handle?
It can handle a maximum output current of 1A.
3. What are the key protection features of this model?
It includes thermal shutdown, input undervoltage lockout, cycle-by-cycle current limiting, and hiccup short-circuit protection.
4. What is the switching frequency of the LMR33610ADDAR?
The switching frequency is 400 kHz.
5. What package does the LMR33610ADDAR come in?
It comes in an 8-pin HSOIC package.
6. Is the LMR33610ADDAR compatible with other models in the SIMPLE SWITCHER® series?
Yes, it is pin-to-pin compatible with other models like LMR33620, LMR33630, and LMR33640.
7. What is the quiescent current of the LMR33610ADDAR?
The quiescent current is 24 µA.
8. What is the operating temperature range of this model?
It operates from -40°C to +125°C.
9. What are the typical applications of the LMR33610ADDAR?
Typical applications include industrial automation, telecommunications, and consumer electronics.
10. Does the LMR33610ADDAR support automatic frequency foldback?
Yes, it supports automatic frequency foldback at light loads to improve efficiency.
