DCDC Regulators
40V, 2.5A Synchronous Buck Regulator with Ultra-Low Quiescent Current and Low EMI
A81805
The A81805 provides high-efficiency and low-noise power conversion with up to 2.5A output current. Its ultra-low quiescent current (6µA) extends battery life, while integrated compensation and spread spectrum minimize external components and EMI.
Product Details
Product Details
Top Features
- Wide input voltage range: 3.5V to 40V
- AEC-Q100 Grade 0 qualified
- High efficiency: 92%, 12 to 5V at 1A
- Low EMI: spread spectrum dithering
- Wide switching frequency range: 250kHz to 2.5MHz
- Up to 2.5A continuous output current
Typical Applications:
- Infotainment
- Battery-Powered Systems
- Industrial Systems
- Container Tracking
- Handheld Instruments
- Audio Systems
- ADAS
Target Application
Part Number Specifications and Availability
Part Number | Topology | Operating Input Voltage Min (V) | Operating Input Voltage Max (V) | Output Current (A) | Package | Market |
|---|---|---|---|---|---|---|
| A81805KESJSR | Buck | 3.50 | 40.0 | 2.50 | 20-Pin QFN | AutomotiveIndustrial |
| A81805KESJSR-1 | Buck | 3.50 | 40.0 | 2.50 | 20-Pin QFN | AutomotiveIndustrial |
