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LTC3307A

Analog Devices
Part Number LTC3307A
Manufacturer Analog Devices
Description 3A Synchronous Step-Down Silent Switcher
Published Aug 29, 2023
Detailed Description LTC3307A 5V, 3A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN and 1.6mm x 1.6mm WLCSP FEATURES n Pin Compatib...
Datasheet PDF File LTC3307A PDF File

LTC3307A
LTC3307A

Overview
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.
64mm WLCSP Packages n AEC-Q100 Qualified for Automotive Applications APPLICATIONS n Optical Networking, Servers, Telecom n Automotive, Industrial, Communications n Distributed DC Power Systems (POL) n FPGA, ASIC, µP Core Supplies n Battery Operated Systems 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.
Using constant frequency, peak current mode control at switching frequencies 1MHz to 3MHz and minimum on-time as low as 22ns, this regulator achieves fast transient response with small external components.
Silent Switcher architecture minimizes EMI emissions.
The LTC3307A operates in forced continuous or pulseskipping mode for low noise, or low-ripple Burst Mode operation for high efficiency at light loads, ideal for battery-powered systems.
The IC regulates output voltages as low as 500mV.
Other features include output overvoltage protection, short-circuit protection, thermal shutdown, clock synchronization, and up to 100% duty cycle operation for low dropout.
The device is available in a low profile 12-lead 2mm × 2mm × 0.
74mm LQFN package with exposed pad for low thermal resistan...


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