FEATURES

 Silent Switcher® 3 Architecture

 Ultra-Low RMS Noise (10Hz to 100kHz): 4μVRMS

 Ultra-Low Spot Noise: 4nV/√Hz at 10kHz

 Ultra-Low EMI Emissions

 Ultra-Fast Transient Response

 <1μs Transient Recovery Time

 High Efficiency at High Frequency

 Up to 94% Efficiency at 2MHz, 12VIN to 5VOUT

 Up to 92% Efficiency at 4MHz, 12VIN to 5VOUT

 Input Voltage Range: 2.8V to 18V

 Output Voltage Range: 0V to (VIN − 0.5V)

 Unity Gain Configuration up to 13V Output

 Maximum Continuous Output Current: 1A

 Fast Minimum Switch On-Time: 13ns

 Adjustable and Synchronizable: 300kHz to 6MHz

 Precision Reference: ±0.6% Over Temperature with

Remote Sense

 Pin Selectable Forced Continuous Mode (FCM) or

Discontinuous Conduction Mode (DCM) During

Operation

 Full Frequency Discontinuous Conduction at Light

Loads in DCM for Higher Efficiency and Predictable

Noise

 Supports Dynamic Output Voltage Control

 Programmable Power Good

 Tiny 15-Lead 3mm × 2mm LFCSP Package

 Pin-to-Pin Compatible Family: LT83201 (1A), LT83203

(3A), LT83205 (5A)

APPLICATIONS

 RF Power Supplies: PLLs, VCOs, Mixers, LNAs, PAs

 Low Noise Instrumentation

 High Speed/High Precision ADCs/DACs

 General Purpose Power Supply