Overview
The LT8607HMSE#PBF is a high-efficiency, high-speed synchronous monolithic step-down switching regulator produced by Analog Devices Inc. This compact regulator is designed to provide a high level of performance and reliability in various power management applications. It features a low quiescent current of 1.7µA in non-switching mode, making it suitable for battery-powered devices and other low-power systems. The LT8607HMSE#PBF operates over a wide input voltage range of up to 42V and can deliver an output current of up to 750mA, making it versatile for a range of applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Input Voltage (VIN) | 2.5 | 3.0 | 3.2 | V | |
| Output Current (IOUT) | 750 | mA | |||
| Quiescent Current (IQ) | Non-switching | 1.7 | µA | ||
| Switching Frequency (fSW) | RT = 221k | 2 | MHz | ||
| Minimum On-Time | ILOAD = 500mA, SYNC = 0V or 1.9V | 35 | 65 | ns | |
| Minimum Off Time | ILOAD = 300mA | 93 | 130 | ns | |
| Operating Temperature Range | -40 | 150 | °C | ||
| Package Type | 10-Lead Plastic MSOP |
Key Features
- High Efficiency: The LT8607HMSE#PBF offers high efficiency due to its synchronous operation, reducing heat and improving overall system performance.
- Low Quiescent Current: With a quiescent current of only 1.7µA in non-switching mode, this regulator is ideal for battery-powered and low-power applications.
- Wide Input Voltage Range: The regulator can handle input voltages up to 42V, making it versatile for various power sources.
- High Switching Frequency: Operating at a switching frequency of up to 2MHz, this regulator minimizes the size of external components and reduces noise.
- Overtemperature Protection: The device includes overtemperature protection to safeguard against overload conditions and ensure reliable operation.
- Output Tracking and Soft-Start: The TR/SS pin allows for user control of the output voltage ramp rate during start-up, ensuring smooth and controlled power-up sequences.
Applications
- Battery-Powered Devices: The low quiescent current makes this regulator suitable for battery-powered devices where power efficiency is crucial.
- Industrial Control Systems: The wide input voltage range and high efficiency make it a good fit for industrial control systems that require reliable power management.
- Medical Devices: The high performance and reliability of the LT8607HMSE#PBF make it suitable for medical devices that require precise and efficient power regulation.
- Automotive Systems: Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications.
- Communication Equipment: The regulator's high switching frequency and efficiency are beneficial in communication equipment where compact design and low noise are important.
Q & A
- What is the maximum input voltage for the LT8607HMSE#PBF?
The maximum input voltage for the LT8607HMSE#PBF is 42V.
- What is the typical quiescent current of the LT8607HMSE#PBF in non-switching mode?
The typical quiescent current is 1.7µA in non-switching mode.
- What is the maximum output current of the LT8607HMSE#PBF?
The maximum output current is up to 750mA.
- What is the switching frequency of the LT8607HMSE#PBF?
The switching frequency can be up to 2MHz, depending on the resistor value used for the RT pin.
- Does the LT8607HMSE#PBF have overtemperature protection?
Yes, the device includes overtemperature protection to safeguard against overload conditions.
- What is the purpose of the TR/SS pin on the LT8607HMSE#PBF?
The TR/SS pin allows user control of the output voltage ramp rate during start-up, enabling smooth and controlled power-up sequences.
- What is the operating temperature range for the LT8607HMSE#PBF?
The operating temperature range is from -40°C to 150°C.
- Is the LT8607HMSE#PBF suitable for automotive applications?
Yes, versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications.
- What package type is the LT8607HMSE#PBF available in?
The LT8607HMSE#PBF is available in a 10-Lead Plastic MSOP package.
- How does the LT8607HMSE#PBF regulate the output voltage?
The LT8607 regulates the FB pin to 0.778V, and for the LT8607-5, it regulates the VOUT pin to 5V using an internal resistor divider.
