Overview
The LT8610AIMSE-5#PBF is a high-efficiency, high-speed synchronous monolithic step-down switching regulator produced by Analog Devices Inc. This component is part of the LT8610A/LT8610AB series, known for its compact design and low quiescent current. It is designed to handle a wide input voltage range and offers high efficiency and fast switching times, making it suitable for various power management applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Minimum Input Voltage | 2.9 | 3.4 | V | ||
| Quiescent Current (VEN/UV = 0V) | 1.0 | 1.0 | 3 | µA | |
| Maximum Output Current | 3.5 | A | |||
| Minimum Switch-On Time | 30 | ns | |||
| Efficiency (VIN = 12V, VOUT = 3.3V, ILOAD = 1A) | 95% | % | |||
| Output Voltage Ripple (LT8610A Only) | < 10 | mV-P-P | |||
| Internal Feedback Resistor Divider (LT8610A-5) | 12.5 | MΩ |
Key Features
- High efficiency synchronous operation with up to 95% efficiency at 1A, 5VOUT from 12VIN.
- Wide input voltage range: 3.4V to 42V.
- Ultralow quiescent current in Burst Mode operation: 2.5µA.
- Fast minimum switch-on time: 30ns.
- Fixed output voltages: 3.3V, 5V.
- Improved Burst Mode efficiency (LT8610AB only).
- External clock synchronization input (SYNC pin).
- Output tracking and soft-start pin (TR/SS pin).
Applications
The LT8610AIMSE-5#PBF is suitable for a variety of applications requiring high-efficiency power management, including:
- Industrial power supplies
- Automotive systems (with automotive-grade versions available).
- Telecommunications equipment
- Medical devices
- Consumer electronics requiring efficient power conversion
Q & A
- What is the input voltage range of the LT8610AIMSE-5#PBF?
The input voltage range is from 3.4V to 42V.
- What is the maximum output current of the LT8610AIMSE-5#PBF?
The maximum output current is 3.5A).
- What is the quiescent current in Burst Mode operation?
The quiescent current in Burst Mode operation is 2.5µA).
- What are the fixed output voltages available for the LT8610AIMSE-5#PBF?
The fixed output voltages are 3.3V and 5V).
- Can the LT8610AIMSE-5#PBF be synchronized with an external clock?
Yes, it can be synchronized using the SYNC pin).
- What is the minimum switch-on time for the LT8610AIMSE-5#PBF?
The minimum switch-on time is 30ns).
- Is the LT8610AIMSE-5#PBF suitable for automotive applications?
Yes, automotive-grade versions are available, designated with a #W suffix).
- What is the efficiency of the LT8610AIMSE-5#PBF at 1A, 5VOUT from 12VIN?
The efficiency is up to 95%).
- How does the TR/SS pin function in the LT8610AIMSE-5#PBF?
The TR/SS pin allows user control of the output voltage ramp rate during start-up and can be used for output tracking and soft-start).
- What is the package type of the LT8610AIMSE-5#PBF?
The package type is 16-lead MSOP).
