Overview
The MAX1546ETL is a high-efficiency, synchronous step-down DC-DC converter integrated with MOSFETs, designed by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1546 series and is known for its compact design and high-performance capabilities. It operates over a wide input voltage range, making it versatile for various applications. The MAX1546ETL is particularly suited for systems requiring high efficiency, small form factor, and reliable operation over a broad temperature range.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Input Voltage Range | VIN | 4.5 | 42 | V | ||
| Output Current | IOUT | 300 | mA | |||
| Output Voltage Options | VOUT | 3.3V, 5V, Adjustable | V | |||
| Operating Temperature Range | TA | -40 | 125 | °C | ||
| Package Type | 8-pin TDFN (2mm x 2mm) | |||||
| Control Scheme | MODE | PWM or PFM | ||||
| Thermal Shutdown Threshold | 166 | °C |
Key Features
- High-efficiency synchronous step-down DC-DC conversion
- Integrated MOSFETs for reduced external component count
- Wide input voltage range: 4.5V to 42V
- Output current up to 300mA
- Multiple output voltage options: 3.3V, 5V, and adjustable
- Compact 8-pin TDFN package (2mm x 2mm)
- Peak-current-mode control architecture with PWM or PFM operation
- Thermal shutdown protection with a threshold of 166°C
- Operating temperature range: -40°C to +125°C
Applications
- Portable electronics such as smartphones, tablets, and laptops
- Industrial control systems and automation
- Aerospace and defense systems requiring high reliability
- Medical devices and diagnostic equipment
- Automotive systems, including infotainment and safety systems
Q & A
- What is the input voltage range of the MAX1546ETL?
The input voltage range is from 4.5V to 42V.
- What are the available output voltage options for the MAX1546ETL?
The device offers output voltages of 3.3V, 5V, and adjustable options.
- What is the maximum output current of the MAX1546ETL?
The maximum output current is up to 300mA.
- What is the operating temperature range of the MAX1546ETL?
The device operates over a temperature range of -40°C to +125°C.
- What type of control scheme does the MAX1546ETL use?
The device uses a peak-current-mode control architecture with options for PWM or PFM operation.
- What is the package type and size of the MAX1546ETL?
The device is available in an 8-pin TDFN package with dimensions of 2mm x 2mm.
- Does the MAX1546ETL have thermal shutdown protection?
Yes, it has thermal shutdown protection with a threshold of 166°C.
- What are some typical applications for the MAX1546ETL?
Typical applications include portable electronics, industrial control systems, aerospace and defense systems, medical devices, and automotive systems.
- Is the MAX1546ETL suitable for high-reliability applications?
Yes, the device is designed for high-reliability applications due to its robust design and wide operating temperature range.
- Where can I find simulation models for the MAX1546ETL?
Simulation models are available from the official Analog Devices website and other authorized distributors.
