Overview
The LMR23610ADDAR from Texas Instruments is a highly efficient, synchronous step-down DC/DC converter. This device is part of the SIMPLE SWITCHER family and is designed to be easy to use, requiring minimal external components. It operates from a wide input voltage range of 4 V to 36 V and can deliver up to 1 A of continuous output current. The LMR23610ADDAR is suitable for various applications, including industrial, automotive, and general-purpose power conditioning from unregulated sources. It features internal compensation, which simplifies the design process and reduces the number of external components needed. The device also includes a precision enable input and internal soft-start, making it flexible and easy to integrate into different systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4 V to 36 V | V |
| Output Current | Up to 1 A | A |
| Switching Frequency | 400 kHz (with PFM mode) | kHz |
| Quiescent Current | 75 µA (at no load) | µA |
| Shutdown Current | 2 µA | µA |
| Package Type | 8-Pin HSOIC with PowerPAD | - |
| Body Size | 4.89 mm × 3.90 mm | mm |
| Maximum Junction Temperature | 125 °C | °C |
| Minimum Operating Temperature | -40 °C | °C |
Key Features
- Integrated synchronous rectification for high efficiency
- Current mode control with fixed-frequency peak-current-mode control
- Internal compensation for ease of use and reduced external components
- Precision enable input for simplified regulator control and system power sequencing
- Soft start into a prebiased load and high duty-cycle operation supported
- Output short-circuit protection with hiccup mode and thermal shutdown
- Frequency synchronization to an external clock within the range of 200 kHz to 2.2 MHz
- Low quiescent current of 75 µA and ultra-low 2 µA shutdown current for battery-powered systems
Applications
- Factory and building automation systems: PLC CPU, HVAC control, elevator control
- GSM, GPRS modules for fleet management, smart grids, and security
- General-purpose wide VIN regulation
- Industrial and automotive power conditioning from unregulated sources
Q & A
- What is the input voltage range of the LMR23610ADDAR?
The input voltage range is from 4 V to 36 V.
- What is the maximum output current of the LMR23610ADDAR?
The maximum output current is up to 1 A.
- What is the switching frequency of the LMR23610ADDAR?
The switching frequency is 400 kHz, with the option for pulse frequency modulation (PFM) mode at light loads.
- What is the quiescent current of the LMR23610ADDAR at no load?
The quiescent current is 75 µA at no load.
- What type of package does the LMR23610ADDAR come in?
The device comes in an 8-Pin HSOIC package with PowerPAD.
- What are the key protection features of the LMR23610ADDAR?
The key protection features include output short-circuit protection with hiccup mode, thermal shutdown, and cycle-by-cycle current limit.
- Can the LMR23610ADDAR be synchronized to an external clock?
- What is the maximum junction temperature of the LMR23610ADDAR?
- Is the LMR23610ADDAR RoHS compliant?
- What are some typical applications of the LMR23610ADDAR?
