Analog Devices LT83402
The LT83401/LT83402 is ideal for high-current, noisesensitive applications that benefit from the high efficiency of a synchronous switching regulator.FEATURES
● Silent Switcher® 3 Architecture● Ultra-Low RMS Noise (10Hz–100kHz): 2.8μVRMS
● Ultra-Low Spot Noise: 4nV/√Hz at 10kHz
● Ultra-Low EMI Emissions
● Ultra-Fast Transient Response
● Minimizes the Output Capacitance
● High Efficiency at High Frequency
● Up to 92.4% Efficiency at 2MHz, 12VIN to 5VOUT
● Input Voltage Range: 2.8V to 42V
● Output Voltage Range: 0V to (VIN - 1V)
● Unity Gain Configuration Up to 15VOUT
● Fast Minimum Switch On-Time: 22ns
● Precision Reference: ±0.8% Over Temperature with Remote Sense
● Forced Continuous Mode Capability
● Adjustable and Synchronizable: 300kHz to 6MHz
● Programmable Power Good
● Tiny, 15-Lead 3mm x 2mm LFCSP Package
● Pin-to-Pin Compatible Family: LT83201 (18V, 1A), LT83203 (18V, 3A), and LT83205 (18V, 5A)
● AEC-Q100 Qualification in Progress TYPICAL APPLICATION
GENERAL DESCRIPTION
The LT®83401/LT®83402 synchronous step-down regulator is uniquely designed to combine an ultralow-noise reference with Silent Switcher architecture to achieve both high efficiency and excellent wideband noise performance.