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UP1728PDDA Datasheet(PDF) 9 Page - uPI Group Inc.

Part # UP1728PDDA
Description  1.2MHz, 3.0A, High-Efficiency Synchronous-Rectified Buck Converter
PDF  12 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  UPI [uPI Group Inc.]
Direct Link  http://www.ubiq-semi.com/
Logo UPI - uPI Group Inc.

UP1728PDDA Datasheet(HTML) 9 Page - uPI Group Inc.

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uP1728
9
uP1728-DS-F0000, Dec. 2012
www.upi-semi.com
POK 5V/Div
LX 2V/Div
VOUT 1V/Div
POK 5V/Div
LX 5V/Div
VOUT 1V/Div
ILX 5A/Div
0
10
20
30
40
50
60
70
80
90
100
0.0
0.5
1.0
1.5
2.0
2.5
3.0
VIN = 2.6V
VIN = 3.3V
VIN = 5.0V
LX 2V/Div
VOUT
1V/Div
POK
5V/Div
LX 2V/Div
VOUT
10mV/Div
ILX 2A/Div
LX 2V/Div
VOUT
10mV/Div
ILX 2A/Div
Typical Operation Characteristics
Switching
Time (2us/Div)
V
IN = 5.0V, VOUT = 1.8V, IOUT = 3A
Switching
Time (2us/Div)
V
IN = 5.0V, VOUT = 1.8V, IOUT = 1.5A
Over Current Protection
Time (4us/Div)
V
IN = 5.0V, VOUT = 1.8V
Under Voltage Protection
Time (4us/Div)
V
IN = 5.0V, VOUT = 1.8V
Over Voltage Protection
Time (10us/Div)
V
IN = 5.0V, VOUT = 1.8V
Efficiency vs. Output Current
Output Current (A)
V
OUT = 1.05V



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