Overview
The LT8607IDC#TRMPBF, produced by Analog Devices Inc., is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator. This regulator is designed to provide a reliable and efficient power conversion solution, consuming only 1.7µA of non-switching quiescent current. It is available in various packages, including the 10-lead MSOP and DFN packages, making it suitable for a wide range of applications where space and power efficiency are critical.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Minimum Input Voltage | 2.5 | 3.0 | 3.2 | V | |
| Output Current | 750 | mA | |||
| Feedback Pin Input Current | VFB = 1.0V | ±20 | nA | ||
| Output Pin Input Current (LT8607-5) | VOUT = 6.0V | 900 | nA | ||
| Minimum On-Time | ILOAD = 500mA, SYNC = 0V or 1.9V | 35 | 65 | ns | |
| Minimum Off Time | ILOAD = 300mA | 93 | 130 | ns | |
| Oscillator Frequency | RT = 221k, ILOAD = 350mA | 155 | kHz |
Key Features
- High Efficiency and Speed: The LT8607 is a high efficiency, high speed synchronous step-down regulator, making it ideal for applications requiring fast transient response and high power density.
- Low Quiescent Current: It consumes only 1.7µA of non-switching quiescent current, which is beneficial for battery-powered devices and other low-power applications.
- Overtemperature Protection: The regulator includes overtemperature protection to safeguard the device during overload conditions, ensuring the junction temperature does not exceed 150°C continuously.
- Output Tracking and Soft-Start: The TR/SS pin allows user control of the output voltage ramp rate during start-up, enabling smooth and controlled power-up sequences.
- Automotive Grade: Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications, designated with a #W suffix.
Applications
- Automotive Systems: The LT8607 is suitable for automotive applications due to its high reliability and availability in automotive-grade versions.
- Industrial Control Systems: Its high efficiency and robust design make it a good fit for industrial control systems where reliable power conversion is essential.
- Portable Electronics: The low quiescent current and compact design make it ideal for battery-powered portable electronics.
- Medical Devices: The regulator's high efficiency and reliability also make it suitable for medical devices that require stable and efficient power supply.
Q & A
- What is the minimum input voltage for the LT8607?
The minimum input voltage for the LT8607 is 2.5V.
- What is the maximum output current of the LT8607?
The maximum output current of the LT8607 is 750mA.
- What is the quiescent current of the LT8607 when not switching?
The quiescent current of the LT8607 when not switching is 1.7µA.
- Does the LT8607 have overtemperature protection?
Yes, the LT8607 includes overtemperature protection to protect the device during overload conditions.
- What is the purpose of the TR/SS pin in the LT8607?
The TR/SS pin allows user control of the output voltage ramp rate during start-up, enabling smooth and controlled power-up sequences.
- Is the LT8607 available in automotive-grade versions?
Yes, versions of the LT8607 are available with controlled manufacturing to support the quality and reliability requirements of automotive applications, designated with a #W suffix.[
- What are the available package options for the LT8607?
The LT8607 is available in 10-lead MSOP and DFN packages.
- How is the oscillator frequency set in the LT8607?
The oscillator frequency is set using a resistor on the RT pin.[
- What is the feedback pin voltage for the LT8607?
The LT8607 regulates the FB pin to 0.778V.[
- Can the LT8607 be used in battery-powered devices?
Yes, the low quiescent current of the LT8607 makes it suitable for battery-powered devices.[
