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TP3310 ,1.5A,0.6VFB降压转换器

TP3310 】1.5A,0.6VFB降压转换器 下载TP3310 规格书

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TP3310 详细介绍

DESCRIPTION
The TP3310 is a constant frequency, current mode, PWM step-down converter. The device integrates a main switch and a synchronous rectifier for high efficiency. The 2.5V to 5.5V input voltage range makes the TP3310 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 TP3310 supports up to 1.5A 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 inductors and capacitors. The internal synchronous switch increases efficiency while eliminates the need for an external Schottky diode. The TP3310 is available in an adjustable  version and  fixed output voltage of 1.2V ,1.8V and 3.3V.
 


FEATURES
* High Efficiency up to 96%
* 1.5MHz Constant Switching Frequency
* 1.5A Available Load Current
* 270μA Typical Quiescent Current
* 2.5V to 5.5V 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
* Excellent Line and Load Transient Response
* <1μA Shutdown Current
* Soft Start Function
* Over Voltage Protection
* Available in 1.2V,1.8V,3.3V and Adjustable Voltages
* Available in TDFN-6 Package
* RoHS Compliant and 100% Lead(Pb)-Free


Applications
* GPS and PDA applications
* Portable Media Players/ MP3 Players
* Digital Still and Video Cameras
* Portable Instruments