Overview
The LT8607EDC#TRPBF is a high-efficiency, high-speed synchronous monolithic step-down switching regulator produced by Analog Devices Inc. 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 less than 3µA when regulating 12V input to 3.3V output. The LT8607 is available in fixed 5V output as well as adjustable and synchronizable configurations, with a frequency range of 200kHz to 2.2MHz.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Units |
|---|---|---|---|---|
| Minimum Input Voltage | 2.5 | 3.0 | 3.2 | V |
| Maximum Input Voltage | - | - | 42 | V |
| Output Voltage Range | - | - | Fixed 5V or Adjustable | V |
| Maximum Continuous Output Current | - | - | 750 | mA |
| Quiescent Current (Burst Mode) | - | - | <3 | µA |
| Switching Frequency Range | 200kHz | - | 2.2MHz | - |
| Efficiency at 0.5A, 12V to 5V | - | - | >93% | - |
| Output Ripple | - | - | <10mV-P-P | - |
| Minimum Switch-On Time | - | - | 35ns | - |
| Package Types | - | - | 10-Lead MSOP, 8-Lead 2mm × 2mm DFN | - |
Key Features
- High efficiency with >93% efficiency at 0.5A, 12V to 5V output.
- Ultralow quiescent current in Burst Mode operation, <3µA regulating 12V to 3.3V.
- Wide input voltage range: 3.0V to 42V.
- Fixed 5V output or adjustable and synchronizable output voltage.
- Spread Spectrum Frequency Modulation for low EMI.
- Allows use of small inductors.
- Low dropout and peak current mode operation.
- Internal compensation and output soft-start and tracking.
- Compact packages: 10-Lead MSOP and 8-Lead 2mm × 2mm DFN.
Applications
- Automotive systems: Versions with controlled manufacturing are available to support automotive applications.
- Industrial power supplies: Suitable for high-efficiency power conversion in industrial settings.
- Portable electronics: Ideal for battery-powered devices due to its low quiescent current and high efficiency.
- Medical devices: Can be used in medical equipment requiring high reliability and efficiency).
- Consumer electronics: Applicable in various consumer electronic devices requiring efficient power management).
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 of the LT8607 is 750mA).
- What are the available package types for the LT8607?
The LT8607 is available in 10-Lead MSOP and 8-Lead 2mm × 2mm DFN packages).
- Does the LT8607 support spread spectrum frequency modulation?
Yes, the LT8607 supports spread spectrum frequency modulation for low EMI).
- What is the typical quiescent current in Burst Mode operation?
The typical quiescent current in Burst Mode operation is less than 3µA).
- Can the LT8607 be used in automotive applications?
Yes, versions of the LT8607 with controlled manufacturing are available to support automotive applications).
- What is the efficiency of the LT8607 at 0.5A, 12V to 5V output?
The efficiency of the LT8607 at 0.5A, 12V to 5V output is greater than 93%).
- Does the LT8607 have internal compensation?
Yes, the LT8607 has internal compensation).
- What is the minimum switch-on time of the LT8607?
The minimum switch-on time of the LT8607 is 35ns).
- Can the output voltage of the LT8607 be adjusted?
Yes, the output voltage of the LT8607 can be adjusted and synchronized).
