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uP1707S PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 uP1707S
部品説明 High-Efficiency Synchronous-Rectified Buck Converter
メーカ uPI Semiconductor
ロゴ uPI Semiconductor ロゴ 



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uP1707S Datasheet, uP1707S PDF,ピン配置, 機能
uP1707S
3A, 23V, 340K High-Efficiency
Synchronous-Rectified Buck Converter
General Description
Features
The uP1707S is a high-efficiency synchronous-rectified † 4.5V to 23V Input Voltage Range
buck converter with internal power switch. With internal † Adjustable Output from 0.925V to 20V
low RDS(ON) switches, the high-efficiency buck converter
is capable of delivering 3A output current over a wide input
†
3A Output Current
voltage range from 4.5V to 23V. The output voltage is † Accurate Reference: 0.925V ( +1.5%)
adjustable from 0.925V to 20V by a voltage divider. Other † Up to 95% Conversion Efficiency
features for the buck converter include adjust soft-start,
chip enable, over-voltage, under-voltage, over- † Integrated Low RDS(ON) Upper and Lower MOSFET
temperature and over-current protections. It is available
Switches: 100mΩ
in a space saving PSOP-8L package.
† Current Mode PWM Operation
Ordering Information
†
†
Constant 340kHz Fixed-Frequency Operation
Programmable Soft-Start
Order Number
Package Type Top Marking † Integrated Boot Diode
uP1707SSW8
PSOP-8L
uP1707S
† Over Voltage and Under Voltage Protection
Note:
† Over Temperature and Over Current Protection
(1) Please check the sample/production availability with † Frequency Decay Mode During UVP
uPI representatives.
(2) uPI products are compatible with the current IPC/
†
PSOP-8L Package
JEDEC J-STD-020 requirement. They are halogen-free, † RoHS Compliant and Halogen Free
RoHS compliant and 100% matte tin (Sn) plating that are
suitable for use in SnPb or Pb-free soldering processes.
Applications
Pin Configuration † Battery-Powered Portable Devices
„ MP3 Players
BOOT
VIN
LX
GND
18
27
GND
36
45
PSOP - 8
SS
EN
COMP
FB
„ Digital Still Cameras
„ Wireless and DSL Modems
„ Personal Information Appliances
† 802.11 WLAN Power Supplies
† FPGA/ASIC Power Supplies
† Laptop, Palmtops, Notebook Computers
† Portable Information Appliances
uP1707S-DS-P0000, Oct. 2013
www.upi-semi.com
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部品番号部品説明メーカ
uP1707S

High-Efficiency Synchronous-Rectified Buck Converter

uPI Semiconductor
uPI Semiconductor

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