Overview
The LT8471IFE#TRPBF is a dual PWM DC/DC converter produced by Analog Devices Inc. This component is designed to provide high efficiency and versatility in power management applications. It contains two internal 2A, 50V switches and an additional 500mA switch, enabling both step-down and inverting conversion. The LT8471 is suitable for a wide range of power management needs, offering robust performance and reliability.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Input Voltage (VIN1, VIN2) | 2.6 | 50 | V | |
| Quiescent Current (VIN1, Skyhook Disabled) | 2.2 | 3.3 | mA | |
| Quiescent Current (VIN1, Skyhook Enabled) | 2.4 | 4 | mA | |
| Quiescent Current (VIN2) | 29 | 42 | µA | |
| Quiescent Current in Shutdown (VIN1 + VIN2) | 0.01 | 1 | µA | |
| Positive Feedback Voltage (FB1, FB2) | 773 | 789 | 805 | mV |
| Negative Feedback Voltage (FB1, FB2) | -806 | -788 | -770 | mV |
| Feedback Pin Bias Current (FB1, FB2) | -100 | 30 | 200 | nA |
| Operating Junction Temperature Range | -40°C | 125°C | ||
| Storage Temperature Range | -65°C | 150°C |
Key Features
- Dual PWM DC/DC converter with two internal 2A, 50V switches and an additional 500mA switch for step-down and inverting conversion.
- High efficiency and low quiescent current, making it suitable for power-sensitive applications.
- Wide input voltage range from 2.6V to 50V.
- Operating junction temperature range from -40°C to 125°C (or up to 150°C for the H-grade version).
- Low shutdown current of 0.01µA to 1µA.
- Feedback pin bias current and error amp transconductance for precise voltage regulation.
Applications
- Power management in industrial and automotive systems.
- Battery-powered devices requiring efficient DC/DC conversion.
- Telecommunications and networking equipment.
- Medical devices and healthcare equipment.
- Consumer electronics and portable devices.
Q & A
- What is the LT8471IFE#TRPBF?
The LT8471IFE#TRPBF is a dual PWM DC/DC converter produced by Analog Devices Inc., featuring two internal 2A, 50V switches and an additional 500mA switch.
- What are the input voltage ranges for the LT8471?
The input voltage range for the LT8471 is from 2.6V to 50V.
- What is the quiescent current of the LT8471 when skyhook is disabled?
The quiescent current when skyhook is disabled is typically 3.3mA.
- What is the operating junction temperature range for the LT8471?
The operating junction temperature range is from -40°C to 125°C (or up to 150°C for the H-grade version).
- What are the feedback voltages for the LT8471?
The positive feedback voltage is between 773mV and 805mV, and the negative feedback voltage is between -806mV and -770mV.
- What are some typical applications of the LT8471?
Typical applications include power management in industrial and automotive systems, battery-powered devices, telecommunications, medical devices, and consumer electronics.
- How many switches does the LT8471 have?
The LT8471 has two internal 2A, 50V switches and an additional 500mA switch.
- What is the shutdown current of the LT8471?
The shutdown current is between 0.01µA and 1µA.
- What package types are available for the LT8471?
The LT8471 is available in 20-Lead Plastic TSSOP and 28-Lead (4mm × 5mm) Plastic QFN packages.
- Where can I find more detailed specifications for the LT8471?
More detailed specifications can be found in the datasheet available on Analog Devices' official website and other electronic component distributors like Digi-Key and Mouser Electronics.
