圖片僅供參考
規格
| 屬性 | 價值 |
| Manufacturer | LONTIUM SEMICONDUCTOR |
| Package | QFP80_12X12 |
概述
Description
The LT8612SX is a high-efficiency, synchronous step-down switching regulator from Analog Devices. It operates over a wide input voltage range (3.4V to 42V) and delivers up to 6A of continuous output current with minimal external components.
Key features include:
- Ultra-low quiescent current (2.5µA) in Burst Mode® operation, ideal for battery-powered applications.
- High efficiency (up to 95%) across a broad load range.
- Fast transient response and low EMI due to Silent Switcher® architecture.
- Adjustable switching frequency (200kHz to 2.2MHz) for optimization.
Applications include automotive, industrial, and telecom systems requiring compact, high-performance power conversion. The LT8612SX is available in a thermally enhanced 20-lead TQFN package, ensuring robust thermal performance.
For detailed specs, refer to the datasheet.
Key features include:
- Ultra-low quiescent current (2.5µA) in Burst Mode® operation, ideal for battery-powered applications.
- High efficiency (up to 95%) across a broad load range.
- Fast transient response and low EMI due to Silent Switcher® architecture.
- Adjustable switching frequency (200kHz to 2.2MHz) for optimization.
Applications include automotive, industrial, and telecom systems requiring compact, high-performance power conversion. The LT8612SX is available in a thermally enhanced 20-lead TQFN package, ensuring robust thermal performance.
For detailed specs, refer to the datasheet.
Equivalent
The LT8612SX is a high-efficiency, low-noise synchronous buck regulator. Equivalent alternatives include:
- LT8610AB/LT8610AC: Similar specs, lower output current (3.5A).
- LT8614: Higher current (8A), adjustable frequency.
- TPS54332 (TI): Comparable efficiency, 3.5A output.
- MAX17503 (Maxim): 4.5A, high-frequency operation.
- LM61460 (TI): 6A, wide input range.
Check datasheets for exact compatibility in your application.
- LT8610AB/LT8610AC: Similar specs, lower output current (3.5A).
- LT8614: Higher current (8A), adjustable frequency.
- TPS54332 (TI): Comparable efficiency, 3.5A output.
- MAX17503 (Maxim): 4.5A, high-frequency operation.
- LM61460 (TI): 6A, wide input range.
Check datasheets for exact compatibility in your application.
Pinout
The LT8612SX is a 42-pin step-down switching regulator from Analog Devices. Key functions include:
- Input Voltage Range: 3.4V to 42V
- Output Current: Up to 8A
- High Efficiency: Up to 95%
- Switching Frequency: Adjustable (200kHz to 2.2MHz)
- Features: Synchronous rectification, low quiescent current, and adjustable soft-start.
Pin Functions:
- Power Pins: VIN, GND, SW (switch node), VOUT
- Control Pins: EN (enable), RT (frequency set), SS (soft-start)
- Feedback/Compensation: FB (feedback), COMP (compensation)
Compact 42-pin TSSOP package, ideal for automotive and industrial applications.
- Input Voltage Range: 3.4V to 42V
- Output Current: Up to 8A
- High Efficiency: Up to 95%
- Switching Frequency: Adjustable (200kHz to 2.2MHz)
- Features: Synchronous rectification, low quiescent current, and adjustable soft-start.
Pin Functions:
- Power Pins: VIN, GND, SW (switch node), VOUT
- Control Pins: EN (enable), RT (frequency set), SS (soft-start)
- Feedback/Compensation: FB (feedback), COMP (compensation)
Compact 42-pin TSSOP package, ideal for automotive and industrial applications.
Manufacturer
The LT8612SX is manufactured by Analog Devices (ADI), a leading global semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, Analog Devices is known for its innovation in precision data conversion, power management, and sensor technologies, serving industries like automotive, healthcare, industrial, and communications. The LT8612SX is part of their ultra-low EMI synchronous step-down regulator series, designed for high-efficiency power applications. Analog Devices is headquartered in Wilmington, Massachusetts, USA.
Application
The LT8612SX is a high-efficiency, low-noise synchronous step-down regulator, ideal for:
1. Industrial Equipment – Powering sensors, PLCs, and control systems.
2. Automotive Electronics – Infotainment, ADAS, and telematics.
3. Telecommunications – Base stations and networking hardware.
4. Medical Devices – Portable and imaging equipment.
5. Consumer Electronics – Smartphones, tablets, and wearables.
6. Aerospace & Defense – Avionics and ruggedized systems.
Its wide input range (3V–42V), low EMI, and compact design suit space-constrained, noise-sensitive applications.
1. Industrial Equipment – Powering sensors, PLCs, and control systems.
2. Automotive Electronics – Infotainment, ADAS, and telematics.
3. Telecommunications – Base stations and networking hardware.
4. Medical Devices – Portable and imaging equipment.
5. Consumer Electronics – Smartphones, tablets, and wearables.
6. Aerospace & Defense – Avionics and ruggedized systems.
Its wide input range (3V–42V), low EMI, and compact design suit space-constrained, noise-sensitive applications.
Package
The LT8612SX is available in a 24-lead TSSOP (Thin Shrink Small Outline Package) with an exposed pad for enhanced thermal performance. This compact package is suitable for high-efficiency, step-down DC/DC converter applications, offering excellent heat dissipation and space-saving benefits. Key dimensions are typically 4.4mm x 7.8mm.
