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UP1727R PDF预览

UP1727R

更新时间: 2024-02-28 19:53:21
品牌 Logo 应用领域
力智 - UPI /
页数 文件大小 规格书
10页 128K
描述
High-Efficiency Synchronous-Rectified Buck Converter

UP1727R 数据手册

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uP1727R  
1.0MHz, 3.0A, High-Efficiency  
Synchronous-Rectified Buck Converter  
Features  
General Description  
The uP1727R is a high efficiency synchronous-rectified  
buck converter with internal power switches. Fixed 1.0MHz  
PWM operation allows possible smallest output ripple and  
external component size. With high conversion efficiency  
and small package, the uP1727R is ideally suitable for  
portable devices and USB/PCIE-based interface cards,  
where PCB area is especially concerned.  
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2.6V to 5.5V Input Voltage Range  
Adjustable Output from 0.6V to VIN  
Guaranteed 3.0A Output Current  
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Accurate Reference: 0.6V ( 1%)  
Up to 95% Conversion Efficiency  
Low Quiescent Current  
With internal low RDS(ON) switches, the uP1727R is capable  
of delivering 3.0Aoutput current over a wide input voltage  
range from 2.6V to 5.5V. The output voltage is adjustable  
from 0.6V to VIN by a voltage divider.  
Integrated Low RDS(ON) Upper and Lower MOSFET  
Switches: 70mand 50mΩ  
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Current Mode PWM Operation  
Other features include internal soft-start, chip enable, over-  
voltage, under-voltage, over-temperature and over-current  
protections. The uP1727R is available in a space-saving  
WDFN3x3-10L package.  
Fixed Frequency : 1.0MHz  
100% Maximum Duty Cycle for Lowest Dropout  
Internal Soft-Start  
Over Voltage and Under Voltage Protection  
Over Temperature and Over Current Protection  
WDFN3x3-10L Package  
Ordering Information  
Order Number  
uP1727RDDA  
Package Type  
WDFN3x3-10L  
Top Marking  
uP1727R  
RoHS Compliant and Halogen Free  
Note:  
Applications  
(1) Please check the sample/production availability with  
uPI representatives.  
(2) uPI products are compatible with the current IPC/JEDEC  
J-STD-020 requirement. They are halogen-free, RoHS  
compliant and 100% matte tin (Sn) plating that are suitable  
for use in SnPb or Pb-free soldering processes.  
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Battery-Powered Portable Devices  
„ MP3 Players  
„ Notebook Computers  
„ Wireless and DSL Modems  
„ Personal Information Appliances  
„ IP Phones  
Pin Configuration  
„ Digital Cameras  
LX  
LX  
1
2
3
4
5
10 VIN  
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802.11 WLAN Power Supplies  
FPGA/ASIC Power Supplies  
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VIN  
VDD  
NC  
LX  
GND  
Dynamically Adjustable Power Supply for  
CDMA/WCDMA Power Amplifiers  
POK  
EN  
FB  
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USB-Based xDSL Modems and Other Network  
Interface Cards  
WDFN3x3-10L  
Point-of-Load Regulation  
uP1727R-DS-F00A0, Mar. 2018  
www.upi-semi.com  
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