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TP3308,1.5MHz, 800mA降压转换器

TP3308】1.5MHz, 800mA降压转换器 下载TP3308规格书

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TP3308 详细介绍
相关商品: AT1366 OCP2150 APS1006 LM3671 LM3670 XC9226

DESCRIPTION
The TP3308 is a constant frequency, current mode, PWM  step-down  converter.  The  device  integrates  a main  switch  and  a  synchronous  rectifier  for  high efficiency. The 2.0V to 6.5V input voltage range makes the TP3308 ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+) battery or 3-cell NiMH/ NiCd batteries. The output voltage can be regulated as low as 0.6V. The TP3308 supports up to 800mA load current and can also run at 100% duty cycle for low dropout applications, extending battery life in portable systems.
Switching  frequency  is  internally  set  at  1.5MHz, allowing the use of small surface mount inductor and capacitors. The internal synchronous switch increases efficiency  while  eliminate  the  need  for  an  external Schottky diode. The TP3308 is available in a low profile 5 lead SOT23-5 package.
 


FEATURES
* High Efficiency : 96%
* 1.5MHz Constant Switching Frequency
* 800mA Available Load Current,1.2A peak current
* 130µA Typical Quiescent Current
* 2.0V to 6.5V Input Voltage Range
* Adjustable Output Voltage as Low as 0.6V
* 100% Duty Cycle Low Dropout Operation
* No Schottky Diode Required
* Short Circuit and Thermal Protection
* Over Voltage Protection
* <1µA Shutdown Current
* <10mV ripple with 2.2uH inductor and 10uF capacity
* RoHS Compliant and 100% Lead(Pb)-Free


Applications
* Portable Media Players/ MP3 Players
* DVR
* Portable Instruments
* FPGA Core Power Supply

 


 


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