Overview
The LT8608IMSE#TRPBF, produced by Analog Devices Inc., is a high-performance synchronous step-down regulator designed to meet the stringent power management needs of modern electronic systems. This regulator boasts a wide input voltage range of 3V to 42V and can deliver a continuous output current of up to 1.5A. It is particularly notable for its ultralow quiescent current of 2.5µA, making it an energy-efficient choice for systems where low standby power is crucial. The LT8608IMSE#TRPBF is available in 10-TFSOP and 10-MSOP packages with an exposed pad, enhancing thermal performance.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Units |
|---|---|---|---|---|
| Input Voltage | 3.0 | 42 | V | |
| Quiescent Current | 2.5 | µA | ||
| Output Current | 1.5 | A | ||
| Output Voltage Range | 0.778 | 41.5 | V | |
| Switching Frequency | 200 | 2200 | kHz | |
| Operating Temperature Range | -40 | 125 | °C | |
| Package Type | 10-TFSOP, 10-MSOP (Exposed Pad) |
Key Features
- Wide Input Voltage Range: 3V to 42V, making it versatile for various applications.
- Ultralow Quiescent Current: 2.5µA, ideal for low power consumption and energy-efficient designs.
- High Efficiency: Achieves efficiencies of up to 92% due to its synchronous rectification topology.
- Adjustable Output Voltage: Output voltage can be adjusted from 0.778V to 41.5V.
- Constant Frequency Operation: Switching frequency can be set between 200kHz and 2.2MHz using an external resistor on the RT pin.
- Burst Mode Operation: Reduces quiescent current during light load conditions.
- Spread Spectrum Modulation: Available in some packages to reduce EMI.
- Output Tracking and Soft-Start Pin (TR/SS): Allows user control of output voltage ramp rate during start-up (available in MSOP package).
Applications
- Automotive: Suitable for automotive systems due to its wide operating temperature range and high reliability.
- Industrial: Used in industrial control systems, power supplies, and other high-reliability applications.
- Telecommunications: Ideal for telecom equipment and networking devices.
- Consumer Electronics: Used in various consumer electronic devices requiring efficient power management.
- Computing: Suitable for computing systems, including servers and embedded systems.
- Medical Devices: Used in medical equipment where high reliability and low power consumption are critical.
- Solar Energy Systems: Suitable for solar-powered systems and renewable energy applications.
- Power over Ethernet (PoE): Used in PoE applications for efficient power delivery.
- LED Lighting: Ideal for LED lighting systems requiring adjustable and efficient power supply.
- Battery-Powered Devices: Suitable for battery-powered devices where low standby power is essential.
Q & A
- What is the input voltage range of the LT8608IMSE#TRPBF?
The input voltage range is from 3V to 42V.
- What is the maximum output current of the LT8608IMSE#TRPBF?
The maximum output current is 1.5A.
- What is the quiescent current of the LT8608IMSE#TRPBF?
The quiescent current is 2.5µA.
- What are the available package types for the LT8608IMSE#TRPBF?
The available package types are 10-TFSOP and 10-MSOP with an exposed pad.
- What is the operating temperature range of the LT8608IMSE#TRPBF?
The operating temperature range is from -40°C to 125°C.
- Can the output voltage of the LT8608IMSE#TRPBF be adjusted?
Yes, the output voltage can be adjusted from 0.778V to 41.5V.
- What is the switching frequency range of the LT8608IMSE#TRPBF?
The switching frequency can be set between 200kHz and 2.2MHz using an external resistor on the RT pin.
- Does the LT8608IMSE#TRPBF support spread spectrum modulation?
Yes, spread spectrum modulation is available in some packages to reduce EMI.
- What is the purpose of the TR/SS pin in the LT8608IMSE#TRPBF?
The TR/SS pin allows user control of the output voltage ramp rate during start-up (available in MSOP package).
- Is the LT8608IMSE#TRPBF suitable for automotive applications?
Yes, it is suitable for automotive applications due to its wide operating temperature range and high reliability.
