LT8711HE

The LT8711HE is a versatile synchronous buck-boost DC/DC controller from Analog Devices, designed for wide input/output voltage applications (4V–80V). It efficiently regulates output voltage whether the input is higher, lower, or equal to the output, making it ideal for automotive, industrial, and battery-powered systems.
Key features:
- Buck, boost, or buck-boost operation
- Adjustable switching frequency (100kHz–500kHz)
- Low quiescent current (40µA) for power-saving modes
- Integrated gate drivers for N-channel MOSFETs
- Programmable current limit and soft-start
- Supports bidirectional power flow
Applications include USB Power Delivery (PD), LED drivers, and battery chargers. Its compact TSSOP-38 package and robust design ensure reliable performance in demanding environments.
For detailed specs, refer to the LT8711HE datasheet.

The LT8711HE is a synchronous buck-boost controller. Equivalent or similar products include:
- LT8705: Buck-boost controller with wider input/output range.
- LTC3789: High-efficiency buck-boost controller.
- TPS63060/70 (TI): Buck-boost converter with integrated switches.
- MAX77831 (Maxim): Buck-boost regulator for portable devices.
- ISL9110 (Renesas): High-performance buck-boost controller.
These alternatives vary in features like voltage range, efficiency, and integration. Check datasheets for exact compatibility.

The LT8711HE is a 42-pin synchronous DC/DC controller designed for buck, boost, buck-boost, and inverting topologies. Key functions include:
- Wide input range (2.8V to 60V)
- Adjustable output voltage (supports positive/negative outputs)
- Integrated MOSFET drivers (for N-channel FETs)
- Programmable switching frequency (100kHz to 500kHz)
- Synchronization input for external clocking
- Soft-start and current limit control
- Power good indicator
Pins include VIN, GND, FB (feedback), SYNC, SS (soft-start), and gate drive outputs (TG/BG). It’s ideal for automotive, industrial, and battery-powered applications.

The LT8711HE is manufactured by Analog Devices, Inc. (ADI), a leading global semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Wilmington, Massachusetts, ADI is renowned for its precision power management, data conversion, and signal conditioning technologies. The LT8711HE is a versatile DC/DC controller used in power supply designs, reflecting ADI's expertise in efficient power solutions for industrial, automotive, and consumer applications. The company is highly regarded for innovation and reliability in the electronics industry.

The LT8711HE is a versatile DC-DC controller used in applications requiring high-efficiency power conversion. Key areas include:
1. Automotive Systems – Bidirectional power for 12V/48V architectures, start-stop systems.
2. Industrial Equipment – Power supplies, battery charging, and energy harvesting.
3. Telecom/Networking – Isolated and non-isolated converters for PoE and base stations.
4. Renewable Energy – Solar MPPT, battery management, and grid-tied inverters.
5. Consumer Electronics – Fast-charging adapters and USB PD solutions.
Its wide input range (4.5V–80V), synchronous rectification, and adjustable output make it ideal for diverse power management tasks.