Analog Devices Inc. LT8614 Step-Down Regulators
Analog Devices 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 a 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
- 3.4V to 42V Wide input voltage range
- Ultralow quiescent current Burst Mode® operation:
- 2.5μA IQ Regulating 12VIN to 3.3VOUT
- Output ripple <10mVP-P
- 30ns Fast minimum switch on-time
- 125mV at 1A Low dropout under all conditions
- Safely tolerates inductor saturation in overload
- 200kHz to 3MHz Adjustable and synchronizable
- Peak current mode operation
- Accurate 1V enable pin threshold
- Internal compensation
- Output soft-start and tracking
- Small 18-Lead 3mm x 4mm 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 with ultra-low EMI/EMC emissions.
Typical Application Circuit
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Analog Devices Inc. LT8615 Monolithic Step-Down Switching Regulators
Feature silent switcher® powertrain for ultralow EMI emissions and 40ns fast minimum switch-on time.
Publicado: 2019-06-11
| Actualizado: 2025-04-29