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TD2786MR

Description
Output current: 3A Switch operating frequency: 340kHz Output type: Adjustable Number of output voltage channels: 1 Function type: Step-Down Output configuration: Positive Withstand voltage 30V 3A current synchronous step-down DC/DC
CategoryPower/power management    DC - DC chip   
File Size471KB,16 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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TD2786MR Overview

Output current: 3A Switch operating frequency: 340kHz Output type: Adjustable Number of output voltage channels: 1 Function type: Step-Down Output configuration: Positive Withstand voltage 30V 3A current synchronous step-down DC/DC

TD2786MR Parametric

Parameter NameAttribute value
Output voltage (minimum/fixed)0.92V
Output voltage (maximum)28V
Can output current3A
Switching operating frequency340kHz
Output typeAdjustable
Number of output voltage channels1
Minimum input voltage4.5V
Maximum input voltage30V
Power topologyBuck
Synchronous rectification or notYes
Function typeStep-Down
Output configurationPositive

TD2786MR Preview

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T
echcode
®
3A 30V Synchronous Rectified Step-Down Converter
Features 
 
DATASHEET
TD2786
General Description 
TD2786  is  a  3A  synchronous  buck  converter  with  integrated 
power  MOSFETs.  The  TD2786  design  with  a  current‐mode 
control  scheme,  can  convert  wide  input  voltage  of  4.5V  to 
30V  to  the  output  voltage  adjustable  from  0.92V  to  28V  to 
provide excellent output voltage regulation. 
The TD2786 is equipped with an automatic PFM/PWM mode 
operation. At light load, the IC operates in the PFM mode to 
reduce  the  switching  losses.  At  heavy  load,  the  IC  works  in 
PWM mode. 
The TD2786 is also equipped with Power‐on‐reset, soft‐ start, 
and whole protections (over‐temperature, and current‐limit) 
into a single package. 
This  device,  available  ESOP‐8,  provides  a  very  compact 
system solution external components and PCB area. 
Wide Input Voltage from 4.5V to 30V 
3A Continuous Output Current 
Adjustable Output Voltage from 0.92V to 28V 
Integrated N‐MOSFET 
Fixed 340kHz Switching Frequency 
PFM/PWM mode Operation 
Stable with Low ESR Capacitors 
Power‐On‐Reset Detection 
Programmable Soft‐Start 
Over‐Temperature Protection 
Over‐Voltage Protection 
Current‐Limit Protection with Frequency Foldback 
Enable/Shutdown Function 
Lead  Free  and  Green  Devices  Available(RoHS 
Compliant) 
Applications 
 
Distributed Power Systems 
Networking Systems 
FPGA, DSP, ASIC Power Supplies 
Green Electronics/ Appliances 
Notebook Computers
Pin Configurations 
 
Figure1 Pin Configuration of TD2786(Top View) 
July,  29,  2014. 
                                                     
Techcode  Semiconductor  Limited 
                                               
www.techcodesemi.com 
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