Analog Devices Inc. LT8614 Step-Down Regulators
Analog Devices Inc. LT8614 Step-Down Regulators feature Silent Switcher architecture to minimize EMI/EMC emissions. The regulators deliver high efficiency at frequencies up to 3MHz. The devices are housed in a 3x4mm QFN and feature monolithic construction with integrated power switches. All necessary circuitry is included and yields a solution with a minimal PCB footprint.
Features
- Silent Switcher® Architecture
- Ultralow EMI/EMC Emissions
- High Efficiency at High Frequency
- Up to 96% Efficiency at 1MHz, 12VIN to 5VOUT
- Up to 94% Efficiency at 2MHz, 12VIN to 5VOUT
- Wide Input Voltage Range: 3.4V to 42V
- Ultralow Quiescent Current Burst Mode® Operation:
- 2.5μA IQ Regulating 12VIN to 3.3VOUT
- Output Ripple < 10mVP-P
- Fast Minimum Switch On-Time: 30ns
- Low Dropout Under All Conditions: 125mV at 1A
- Safely Tolerates Inductor Saturation in Overload
- Adjustable and Synchronizable: 200kHz to 3MHz
- Peak Current Mode Operation
- Accurate 1V Enable Pin Threshold
- Internal Compensation
- Output Soft-Start and Tracking
- Small 18-Lead 3x4mm QFN
Applications
- Automotive and Industrial Supplies
- General Purpose Step-Down
- GSM Power Supplies
Related Products
Analog Devices Inc. Silent Switcher® Solutions for EMI Compliance
Delivers up to 95% efficiency at 2MHz & ultra-low EMI/EMC emissions.
Typical Application Circuit
Published: 2019-06-11
| Updated: 2022-03-10