Overview
The LT8619IMSE#PBF is a high-efficiency, high-speed synchronous monolithic step-down switching regulator produced by Analog Devices Inc. This compact regulator is designed to operate with a wide input voltage range of 3V to 60V and can deliver up to 1.2A of continuous current. It features a low quiescent current of 6μA, making it suitable for applications requiring high efficiency and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 3V to 60V |
| Output Current | Up to 1.2A |
| Quiescent Current | 6μA |
| Minimum Switch-On Time | 30ns |
| Output Ripple at No Load | 10mV-P-P |
| Operating Frequency | 300kHz to 2.2MHz |
| Efficiency | 92% at 0.5A, 5VOUT from 12VIN; 90% at 0.5A, 3.3VOUT from 12VIN |
| Dropout Voltage | 360mV at 0.5A |
| Package Types | 16-Lead MSOP, 10-Lead 3mm × 3mm DFN |
| Operating Temperature Range | –40°C to 125°C |
Key Features
- High efficiency synchronous operation with up to 92% efficiency at 0.5A, 5VOUT from 12VIN and 90% efficiency at 0.5A, 3.3VOUT from 12VIN.
- Ultralow quiescent current of 6μA in Burst Mode operation.
- Fast minimum switch-on time of 30ns.
- Synchronizable and programmable fixed frequency operation from 300kHz to 2.2MHz.
- Low dropout voltage of 360mV at 0.5A.
- Low EMI and accurate 1V enable pin threshold.
- Internal soft-start and compensation.
- Power Good flag to indicate when VOUT is within ±7.5% of the programmed output voltage.
- Available in thermally enhanced 16-Lead MSOP and 10-Lead 3mm × 3mm DFN packages.
Applications
The LT8619IMSE#PBF is suitable for a variety of applications, including:
- Automotive systems: AEC-Q100 qualified for automotive applications.
- Industrial power supplies: High efficiency and wide input voltage range make it ideal for industrial power supply designs.
- Portable electronics: Low quiescent current and high efficiency are beneficial for battery-powered devices.
- Telecommunications: Low EMI and high efficiency make it suitable for telecom equipment.
Q & A
- What is the input voltage range of the LT8619IMSE#PBF?
The input voltage range is from 3V to 60V. - What is the maximum output current of the LT8619IMSE#PBF?
The maximum output current is up to 1.2A. - What is the quiescent current of the LT8619IMSE#PBF?
The quiescent current is 6μA. - What are the available package types for the LT8619IMSE#PBF?
The available package types are 16-Lead MSOP and 10-Lead 3mm × 3mm DFN. - What is the operating temperature range of the LT8619IMSE#PBF?
The operating temperature range is from –40°C to 125°C. - Is the LT8619IMSE#PBF AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified for automotive applications. - What is the minimum switch-on time of the LT8619IMSE#PBF?
The minimum switch-on time is 30ns. - What is the output ripple at no load for the LT8619IMSE#PBF?
The output ripple at no load is 10mV-P-P. - Can the LT8619IMSE#PBF be synchronized to an external clock?
Yes, it can be synchronized to an external clock using the SYNC pin. - What is the dropout voltage of the LT8619IMSE#PBF at 0.5A?
The dropout voltage at 0.5A is 360mV.
