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TD1484A

Description
Output current: 3.2A Switch operating frequency: 340kHz Output type: Adjustable Number of output voltage channels: 1 Function type: Step-Down Output configuration: Positive Withstand voltage 32V 3.2A current synchronous step-down DC/DC
CategoryPower/power management    DC - DC chip   
File Size985KB,15 Pages
ManufacturerTechcode Semiconductor, Inc.
Websitehttp://www.techcodesemi.com/cn/index.asp
In the field of high-end analog circuit design and production, American Ted Semiconductor Co., Ltd. has 12 years of comprehensive design experience. We not only have the world's leading analog circuit design technology, but also have a more complete and advanced product quality management method. Due to the production method of "no production line design company", we use a more efficient wafer foundry cooperation model in business operations, so that we can quickly use advanced and more time-effective technology to design high-end analog circuit products with higher cost performance, and then quickly meet customers' needs for high-end products in the growing market demand.
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TD1484A Overview

Output current: 3.2A Switch operating frequency: 340kHz Output type: Adjustable Number of output voltage channels: 1 Function type: Step-Down Output configuration: Positive Withstand voltage 32V 3.2A current synchronous step-down DC/DC

TD1484A Parametric

Parameter NameAttribute value
Output voltage (minimum/fixed)0.923V
Output voltage (maximum)20V
Can output current3.2A
Switching operating frequency340kHz
Output typeAdjustable
Number of output voltage channels1
Minimum input voltage4.75V
Maximum input voltage20V
Power topologyBuck
Synchronous rectification or notYes
Function typeStep-Down
Output configurationPositive

TD1484A Preview

Download Datasheet
T
echcode
®
General Description
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.
DATASHEET
3.2A 23V Synchronous Rectified Step-Down Converte
TD1484A
Features
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 Ceramic Output Capacitors
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
Figure 1. Package Types of TD1484A
October, 20, 2010.
America
SOP8
Techcode Semiconductor, INC.
1
www.techcodesemi.com
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