Overview
The LT8608EMSE#TRPBF is a high-efficiency, high-speed synchronous monolithic step-down switching regulator produced by Analog Devices Inc. This component is designed to offer compact and reliable power management solutions. It features a wide input voltage range of 3.0V to 42V and an ultralow quiescent current of 1.7µA, making it suitable for a variety of applications where power efficiency is crucial.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Units |
|---|---|---|---|---|
| Minimum Input Voltage | 2.5 | 3.0 | 3.2 | V |
| Quiescent Current (VEN/UV = 0V, VSYNC = 0V) | 1 | 1.7 | 4 | µA |
| Output Current | 1.5 | A | ||
| Operating Junction Temperature Range | –40°C | 125°C | °C | |
| Storage Temperature Range | –65°C | 150°C | °C | |
| Switching Frequency | 200kHz | 2.2MHz |
Key Features
- Wide Input Voltage Range: 3.0V to 42V, making it versatile for various power sources.
- Ultralow Quiescent Current: 1.7µA in shutdown mode, ideal for battery-powered devices.
- High Efficiency: Optimized for high efficiency across a wide range of load conditions.
- Burst Mode Operation: Reduces quiescent current during light load conditions, enhancing overall efficiency.
- Constant Frequency Current Mode Operation: Ensures stable and predictable performance.
- Output Tracking and Soft-Start Capability: Allows user control of output voltage ramp rate during start-up via the TR/SS pin (MSOP package only).
- Power Good Indicator (PG Pin): Provides an open-drain output indicating when the output voltage is within regulation limits.
Applications
- Automotive Systems: Suitable for automotive applications due to its wide operating temperature range and robust design.
- Industrial Power Supplies: Ideal for high-efficiency power conversion in industrial settings.
- Portable Electronics: Optimized for battery-powered devices requiring low quiescent current and high efficiency.
- Medical Devices: Can be used in medical equipment where reliable and efficient power management is critical.
Q & A
- What is the input voltage range of the LT8608EMSE#TRPBF?
The input voltage range is from 3.0V to 42V.
- What is the quiescent current of the LT8608EMSE#TRPBF?
The quiescent current is 1.7µA when VEN/UV = 0V and VSYNC = 0V.
- What is the maximum output current of the LT8608EMSE#TRPBF?
The maximum output current is 1.5A.
- What is the operating junction temperature range of the LT8608EMSE#TRPBF?
The operating junction temperature range is from –40°C to 125°C.
- Does the LT8608EMSE#TRPBF support Burst Mode operation?
Yes, it supports Burst Mode operation to reduce quiescent current during light load conditions.
- What is the purpose of the TR/SS pin in the MSOP package?
The TR/SS pin allows user control of output voltage ramp rate during start-up and enables output tracking and soft-start capability.
- What is the function of the PG pin?
The PG pin is an open-drain output indicating when the output voltage is within regulation limits.
- Is the LT8608EMSE#TRPBF suitable for automotive applications?
Yes, it is suitable for automotive applications due to its wide operating temperature range and robust design.
- What are the available package types for the LT8608EMSE#TRPBF?
The available package types include 10-lead MSOP and 8-lead DFN.
- Where can I find the datasheet and other technical documents for the LT8608EMSE#TRPBF?
The datasheet and other technical documents can be found on the Analog Devices website or through distributors like Mouser and Digi-Key.
