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LTC7821 - Hybrid Step-Down Synchronous Controller

General Description

The LTC®7821 uses a proprietary architecture that merges a soft switching charge pump topology with a synchronous step-down converter to provide superior efficiency and EMI performance compared to traditional switching architectures.

Key Features

  • n Wide VIN Range: 10V to 72V (80V ABS Max) n Soft Switching for Low Noise Operation n Phase-Lockable Fixed Frequency 200kHz to 1.5MHz n ±1% Output Voltage Accuracy n RSENSE or DCR Current Sensing n Programmable CCM, DCM, or Burst Mode® Operation n CLKOUT Pin for Multiphase Operation n Short Circuit Protected n EXTVCC Input for Improved Efficiency n Monotonic Output Voltage Start-Up n Optional External Reference n 32-Pin (5mm × 5mm) QFN.

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The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LTC7821 Hybrid Step-Down Synchronous Controller FEATURES n Wide VIN Range: 10V to 72V (80V ABS Max) n Soft Switching for Low Noise Operation n Phase-Lockable Fixed Frequency 200kHz to 1.