Overview
The LT8607EMSE#TRPBF from Analog Devices Inc. is a high-efficiency, high-speed synchronous monolithic step-down switching regulator. This compact regulator is designed to operate over a wide input voltage range of 3.0V to 42V, making it versatile for various applications. It features an ultralow quiescent current in Burst Mode operation, consuming only 1.7µA of non-switching quiescent current. The LT8607 is available in fixed 5V output as well as adjustable and synchronizable configurations, with a switching frequency range of 200kHz to 2.2MHz.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Input Voltage Range | 3.0 | - | 42 | V |
| Output Voltage Range | 0.778 | - | 41.4 | V |
| Maximum Continuous Output Current | - | - | 750 | mA |
| Switching Frequency Range | 200kHz | - | 2.2MHz | - |
| Quiescent Current (Burst Mode) | - | 1.7 | - | µA |
| Efficiency at 0.5A, 12VIN to 5VOUT | - | - | >93% | - |
| Minimum Switch-On Time | - | - | 35ns | - |
| Operating Temperature Range | -40°C | - | 125°C | - |
| Package Type | - | - | 10-Lead MSOP | - |
Key Features
- High efficiency with >93% efficiency at 0.5A, 12VIN to 5VOUT.
- Ultralow quiescent current in Burst Mode operation, consuming only 1.7µA of non-switching quiescent current.
- Wide input voltage range of 3.0V to 42V.
- Output ripple <10mV peak-to-peak.
- Fast minimum switch-on time of 35ns.
- Spread Spectrum Frequency Modulation for low EMI.
- Internal compensation and peak current mode operation.
- Output soft-start and tracking capabilities.
- Available in fixed 5V output and adjustable/synchronizable configurations.
Applications
- Automotive systems: The LT8607 is available in automotive-grade versions, making it suitable for use in automotive applications.
- Industrial power supplies: Its high efficiency and wide input voltage range make it ideal for industrial power supply applications).
- Portable electronics: The ultralow quiescent current and high efficiency make it suitable for battery-powered devices).
- Medical devices: The compact size and low EMI features are beneficial for medical device applications).
Q & A
- What is the input voltage range of the LT8607? The input voltage range of the LT8607 is 3.0V to 42V).
- What is the maximum continuous output current of the LT8607? The maximum continuous output current is 750mA).
- What is the quiescent current in Burst Mode operation? The quiescent current in Burst Mode operation is 1.7µA).
- What is the switching frequency range of the LT8607? The switching frequency range is 200kHz to 2.2MHz).
- Does the LT8607 support spread spectrum frequency modulation? Yes, the LT8607 supports spread spectrum frequency modulation for low EMI).
- What are the package options for the LT8607? The LT8607 is available in 10-Lead MSOP and 8-Lead DFN packages).
- Is the LT8607 suitable for automotive applications? Yes, the LT8607 is available in automotive-grade versions).
- What is the minimum switch-on time of the LT8607? The minimum switch-on time is 35ns).
- Does the LT8607 have internal compensation? Yes, the LT8607 has internal compensation).
- Can the LT8607 be used in portable electronics? Yes, the LT8607 is suitable for portable electronics due to its ultralow quiescent current and high efficiency).
