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LX1684

Part Number	LX1684
Manufacturer	Microsemi Corporation
Description	Voltage-Mode PWM Controller
Published	Mar 30, 2005
Detailed Description	LX1684 L I N F I N I T Y D I V I S I O N Voltage-Mode PWM Controller P RODUCTION DESCRIPTION KEY FEATURES W W W. Mic...
Datasheet	LX1684 PDF File

Overview

LX1684 L I N F I N I T Y D I V I S I O N Voltage-Mode PWM Controller P RODUCTION DESCRIPTION KEY FEATURES W W W.
Microsemi .
COM The LX1684 is a monolithic, voltagemode pulse-width modulator controller.
It is designed to implement a flexible, low cost buck (step-down) regulator supply with a minimal of external components.
The LX1684 has a synchronous driver for higher efficiency and is optimized to provide 12V to 3.
3V or 12V to 2.
5V regulation.
It also can be used to convert 5V or 3.
3V to voltages as low as 1.
25V.
Switching frequency is fixed at 175kHz for optimal cost and space.
Short-circuit current limiting can be implemented without expensive current sense resistors.
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