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LTC3633A - Monolithic Synchronous Step-Down Regulator

General Description

The LTC®3633A is a high efficiency, dual-channel monolithic synchronous buck regulator using a controlled on-time, current mode architecture, with phase lockable switching frequency.

The two channels can run 180° out of phase to relax the requirements for input and output capacitance.

Key Features

  • n 3.6V to 20V Input Voltage Range n 3A Output Current per Channel n Up to 95% Efficiency n Low Duty Cycle Operation: 5% at 2.25MHz n Selectable 0°/180° Phase Shift Between Channels n Adjustable Switching Frequency: 500kHz to 4MHz n External Frequency Synchronization n Current Mode Operation for Excellent Line and Load Transient Response n 0.6V Reference Allows Low Output Voltages n User Selectable Burst Mode® Operation or Forced Continuous Mode Operation n Output Voltage Tracking and Soft-Start.

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Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
LTC3633A-1 Monolithic Synchronous Step-Down Regulator
LTC3633A-2 20V Monolithic Synchronous Step-Down Regulator
LTC3633A-3 20V Monolithic Synchronous Step-Down Regulator
LTC3600 Step-Down Regulator
LTC3603 Monolithic Synchronous Step-Down Regulator

Full PDF Text Transcription (Reference)

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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FEATURES n 3.6V to 20V Input Voltage Range n 3A Output Current per Channel n Up to 95% Efficiency n Low Duty Cycle Operation: 5% at 2.25MHz n Selectable 0°/180° Phase Shift Between Channels n Adjustable Switching Frequency: 500kHz to 4MHz n External Frequency Synchronization n Current Mode Operation for Excellent Line and Load Transient Response n 0.