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LTC3307A - 3A Synchronous Step-Down Silent Switcher

Datasheet Summary

Description

The LTC®3307A is a very small, high efficiency, low noise, monolithic synchronous 3A step-down DC/DC converter operating from a 2.25V to 5.5V input supply.

Features

  • n Pin Compatible with LTC3308(4A) and LTC3309(6A) n High Efficiency: 8mΩ NMOS, 31mΩ PMOS n Programmable Frequency 1MHz to 3MHz n Tiny Inductor and Capacitors n Peak Current Mode Control n 22ns Minimum On-Time n Wide Bandwidth, Fast Transient Response n Silent Switcher® Architecture n Ultralow EMI Emissions n Low Ripple Burst Mode® Operation with IQ of 40µA n Safely Tolerates Inductor Saturation in Overload n VIN Range: 2.25V to 5.5V n VOUT Range: 0.5V to VIN n VOUT Accuracy: ±1% Over Temperature.

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Datasheet Details

Part number LTC3307A
Manufacturer Analog Devices
File Size 3.16 MB
Description 3A Synchronous Step-Down Silent Switcher
Datasheet download datasheet LTC3307A Datasheet
Additional preview pages of the LTC3307A datasheet.

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Full PDF Text Transcription

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LTC3307A 5V, 3A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN and 1.6mm x 1.6mm WLCSP FEATURES n Pin Compatible with LTC3308(4A) and LTC3309(6A) n High Efficiency: 8mΩ NMOS, 31mΩ PMOS n Programmable Frequency 1MHz to 3MHz n Tiny Inductor and Capacitors n Peak Current Mode Control n 22ns Minimum On-Time n Wide Bandwidth, Fast Transient Response n Silent Switcher® Architecture n Ultralow EMI Emissions n Low Ripple Burst Mode® Operation with IQ of 40µA n Safely Tolerates Inductor Saturation in Overload n VIN Range: 2.25V to 5.5V n VOUT Range: 0.5V to VIN n VOUT Accuracy: ±1% Over Temperature Range n Precision 400mV Enable Threshold, 1μA in Shutdown n Power Good, Internal Compensation and Soft-Start n Thermally Enhanced 12-Lead 2mm × 2mm LQFN and 16-Pin 1.64mm × 1.
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