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TD6811

Techcode
Part Number TD6811
Manufacturer Techcode
Description 1.5MHz 1.2A Synchronous Step-Down Regulator Dropout
Published May 23, 2016
Detailed Description T  echcode® DATASHEET       1.5MHz 1.2A Synchronous Step-Down Regulator Dropout TD6811 General Description  Featu...
Datasheet PDF File TD6811 PDF File

TD6811
TD6811

Overview
T  echcode® DATASHEET       1.
5MHz 1.
2A Synchronous Step-Down Regulator Dropout TD6811 General Description  Features    The TD6811 is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture.
The device is available in an adjustable version and fixed output voltages of 1.
5V and 1.
8V.
Supply current during operation is only 20mA and drops to ≤1mA in shutdown.
The 2.
5V to 5.
5V input voltage range makes the TD6811 ideally suited for single Li-Ion battery-powered applications.
100% duty cycle provides low dropout operation, extending battery life in portable systems.
Automatic Burst Mode operation increases efficiency at light loads, further extending battery life.
Switching frequency is internally set at 1.
5MHz, allowing the use of small surface mount inductors and capacitors.
The internal synchronous switch increases efficiency and eliminates the need for an external Schottky diode.
Low output voltages are easily supported with the 0.
6V feedback reference voltage.
The TD6811 is available in TSOT23-5 package.
z High Efficiency: Up to 96% z High Efficiency at light loads z Very Low Quiescent Current: Only 20uA During Operation z 1.
2A Output Current z 2.
5V to 5.
5V Input Voltage Range z 1.
5MHz Constant Frequency Operation z No Schottky Diode Required z Low Dropout Operation: 100% Duty Cycle z 0.
6V Reference Allows Low Output Voltages z Shutdown Mode Draws ≤1uA Supply Current z Current Mode Operation for Excellent Line and Load Transient Response z Overtemperature Protected z TSOT23-5   Package is Available Applications    z Cellular Telephones z Personal Information Appliances z Wireless and DSL Modems z Digital Still Cameras z MP3 Players z Portable Instruments Package Types               TSOT23­5    Figure 1.
 Package Types of TD6811  http://www.
junyi-ic.
com TEL:0755-29955070 FAX:0755-27858707 T  echcode® DATASHEET       1.
5MHz 1.
2A Synchronous Step-Down Regulator Dropout TD6811 Pin Assignments       ...


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