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TD1484A

Techcode
Part Number TD1484A
Manufacturer Techcode
Description 3.2A 23V Synchronous Rectified Step-Down Converte
Published May 23, 2016
Detailed Description Techcode® DATASHEET 3.2A 23V Synchronous Rectified Step-Down Converte TD1484A General Description Features The TD14...
Datasheet PDF File TD1484A PDF File

TD1484A
TD1484A

Overview
Techcode® DATASHEET 3.
2A 23V Synchronous Rectified Step-Down Converte TD1484A General Description Features The TD1484A is a monolithic pulse-width-modulated (PWM) synchronous step-down switch mode regulator with two internal power MOSFETs.
It achieves 3.
2A continuous output current over a wide input supply range with excellent load and line regulation.
Current mode operation provides fast transient response and eases loop stabilization.
Fault condition protection includes cycle-by-cycle current limit and thermal shutdown.
This device, available in an SOP8-PP package, provides a very compact solution with minimal external components.
• • • • • • • • • • 3.
2A Output Current Wide 4.
75V to 20V Operating Input Range Integrated 90mΩ Power MOSFET Switches Output Adjustable from 0.
923V to 20V Up to 93% Efficiency Programmable Soft-Start Stable with Low ESR CeramicOutputCapacitors Fixed 340KHz Frequency Cycle-by-Cycle Over Current Protection Input Under Voltage Lockout Applications • Distributed Power Systems • Networking Systems • FPGA, DSP, ASIC Power Supplies • Green Electronics/ Appliances • Notebook Computers Package Types October, 20, 2010.
Figure 1.
Package Types of TD1484A America STOecPh8code Semiconductor, INC.
1 www.
techcodesemi.
com Techcode® DATASHEET 3.
2A 23V Synchronous Rectified Step-Down Converte TD1484A Pin Configurations Pin Description Figure 2 Pin Configuration of TD1484A(Top View) Pin Number Pin Name Description 1 BS High-Side Gate Drive Boost Input.
BS supplies the drive for the high-side N-Channel MOSFET switch.
Connect a 0.
01µF or greater capacitor from SW to BS to power the high side switch.
2 IN Supply Voltage.
The TD1484A operates from a +4.
75V to +23V unregulated input.
C1 is needed to prevent large voltage spikes from appearing at the input.
3 SW Power Switching Output.
SW is the switching node that supplies power to the output.
Connect the output LC filter from SW to the output load.
Note that a capacitor is required f...


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