Overview
The LMR62014XMFE is a current-mode boost converter IC manufactured by Texas Instruments. It is part of the SIMPLE SWITCHER® family and is designed for step-up voltage regulation. It operates at a fixed frequency of 1.6 MHz, making it suitable for applications requiring fast transient response and efficient power conversion.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.7 to 14 | V |
| Output Voltage Range | 3 to 20 | V |
| Output Current | 1.4 | A |
| Switching Frequency | 1.6 | MHz |
| Duty Cycle (Max) | 93 | % |
| Quiescent Current (Typ) | 2 | mA |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | SOT-23 | |
| Number of Outputs | 1 | |
| Special Features | Enable | |
| Switch Current Limit (Min) | 1.4 | A |
| Switch Current Limit (Typ) | 2 | A |
Key Features
- Current-Mode Control: The LMR62014XMFE uses current-mode control, which includes pulse-by-pulse current limiting protection and a fixed switching frequency of 1.6 MHz for fast transient response.
- Wide Input Voltage Range: It operates over an input voltage range of 2.7V to 14V, making it versatile for various applications.
- High Output Current: The device can deliver up to 1.4A of output current.
- Enable Feature: The IC includes an enable pin for easy power management.
- Thermal Considerations: The device has built-in thermal management, with power dissipation calculated based on duty cycle and FET on-resistance.
Applications
- Portable Electronics: Suitable for battery-powered devices due to its high efficiency and compact SOT-23 package.
- Industrial Control Systems: Can be used in systems requiring stable and regulated voltage outputs.
- Automotive Systems: Applicable in automotive electronics where a wide input voltage range is necessary.
- Consumer Electronics: Ideal for devices requiring step-up voltage conversion, such as LED drivers and power supplies for small appliances.
Q & A
- What is the input voltage range of the LMR62014XMFE?
The input voltage range is from 2.7V to 14V.
- What is the maximum output current of the LMR62014XMFE?
The maximum output current is 1.4A.
- What is the switching frequency of the LMR62014XMFE?
The switching frequency is 1.6 MHz.
- What package type does the LMR62014XMFE come in?
The device comes in a SOT-23 package.
- Does the LMR62014XMFE have an enable feature?
Yes, it includes an enable pin for power management.
- What is the operating temperature range of the LMR62014XMFE?
The operating temperature range is from -40°C to 125°C.
- Is the LMR62014XMFE RoHS compliant?
Yes, the device is RoHS compliant.
- What type of control does the LMR62014XMFE use?
The device uses current-mode control.
- What are some common applications for the LMR62014XMFE?
Common applications include portable electronics, industrial control systems, automotive systems, and consumer electronics.
- Is the LMR62014XMFE still in production?
No, the LMR62014 has been discontinued by Texas Instruments, but existing stock may still be available from various distributors.
