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UP9301PSU8

更新时间： 2024-02-23 18:12:54
品牌 Logo 应用领域
力智 - UPI /
页数 文件大小 规格书
19页 265K
描述
5V/12V Synchronous-Rectified Buck Controller with Reference Input

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UP9301PSU8 数据手册

 浏览型号UP9301PSU8的Datasheet PDF文件第2页浏览型号UP9301PSU8的Datasheet PDF文件第3页浏览型号UP9301PSU8的Datasheet PDF文件第4页浏览型号UP9301PSU8的Datasheet PDF文件第5页浏览型号UP9301PSU8的Datasheet PDF文件第6页浏览型号UP9301PSU8的Datasheet PDF文件第7页 
uP9301  
5V/12V Synchronous-Rectified  
Buck Controller with Reference Input  
Features  
General Description  
The uP9301 is a compact synchronous-rectified buck ! Operate from 5V or 12V Supply Voltage  
controller specifically designed to operate from 5V or 12V  
supply voltage and to deliver high quality output voltage as  
low as 0.55V. The uP9301 operates at fixed 200/300kHz  
frequency and provides an optimal level of integration to  
reduce size and cost of the power supply.  
"
"
"
3.3V to 12V VIN Input Range  
0.6 VREF with 1.5% Accuracy  
Output Range from VREF to 80% of VIN  
! Support Tracking Mode and Stand Alone Mode  
Operation  
The uP9301 supports both tracking mode and stand-alone  
mode operation. The output voltage is tightly regulated to  
the external reference voltage from 0.55V to 3.0Vat tracking  
mode or to internal 0.6V reference at stand-alone mode.  
! Simple Single-Loop Control Design  
"
"
Voltage-Mode PWM Control  
Fast Transient Response  
! High-Bandwidth Error Amplifier  
0% to 80% Duty Cycle  
! Lossless, Programmable Over Current Protection  
Uses Lower MOSFET RDS(ON)  
This controller integrates internal MOSFET drivers that  
support 12V+12V bootstrapped voltage for high efficiency  
power conversion. The bootstrap diode is built-in to simplify  
the circuit design and minimize external part count.  
"
"
! 200/300kHz Fixed Frequency Oscillator  
! Internal Soft Start  
! Integrated Bootstrap Diode  
! RoHS Compliant and Halogen Free  
Other features include internal softstart, under voltage  
protection, over current protection and shutdown function.  
With aforementioned functions, this part provides  
customers a compact, high efficiency, well-protected and  
cost-effective solutions. This part is available in (P)SOP -  
8L packages.  
Applications  
! Power Supplies for Microprocessors or Subsystem  
Power Supplies  
! Cable Modems, Set Top Boxes, and xDSL  
Modems  
! Industrial Power Supplies; General Purpose  
Supplies  
! 5V or 12V Input DC-DC Regulators  
! Low Voltage Distributed Power Supplies  
Ordering Information  
Order Number  
uP9301PSU8  
uP9301QSU8  
uP9301RSU8  
uP9301SSU8  
uP9301TSU8  
uP9301USU8  
uP9301VSA8  
uP9301WSA8  
Package  
PSOP-8L  
Top Marking  
Remark  
uP9301P  
uP9301Q  
uP9301R  
uP9301S  
uP9301T  
uP9301U  
uP9301V  
uP9301W  
200kHz / linear OCP  
200kHz / fixed OCP @ 375mV  
200kHz / fixed OCP @ 225mV  
300kHz / linear OCP  
300kHz / fixed OCP @ 375mV  
300kHz / fixed OCP @ 225mV  
300kHz / fixed OCP @ 150mV  
300kHz / fixed OCP @ 225mV  
SOP-8L  
Note: uPI products are compatible with the current IPC/JEDEC J-STD-020 requirements. They are halogen-free, RoHS  
compliant and 100% matte tin (Sn) plating that are suitable for use in SnPb or Pb-free soldering processes.  
uP9301-DS-F0001, May 2015  
www.upi-semi.com  
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