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APR34150 Datasheet(PDF) 7 Page - Diodes Incorporated

Part # APR34150
Description  SECONDARY SIDE SYNCHRONOUS RECTIFICATION SWITCHER
PDF  10 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

APR34150 Datasheet(HTML) 7 Page - Diodes Incorporated

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APR34150
Document number: DS37985 Rev. 2 - 2
7 of 10
www.diodes.com
October 2015
© Diodes Incorporated
APR34150
Operation Description (Cont.)
To ensure stable operating of system, it must be met:
tBODYDIODE<tONS*(1- tSAMPLE)
VFB
tSAMPLE
SR Operating
SR Turnoff,
Bodydiode operating
tBODYDIODE
tONS
Figure 3. SR Turning off Timing Impact on PSR CV Sampling
Recommended Application Circuit Parameters
The two resistors R23 and R24 are used to pass ESD test. The value of R23 and R24 should be over 20
Ω and below 47Ω respectively because of
the undershoot performance. The package of R23 and R24 should be at least 0805 and there isn’t any trace under these two resistors.
CAREF is suggested to parallel with AREF resistor to keep the volt-second product threshold stable. And the recommended value of CAREF is 100nF.
The recommended value of C24 is 100nF.
Ordering Information
APR34150 X XX - XX
Packing
Package
TR : Tape & Reel
M : SO-8
G1 : Green
Product Name
RoHS/Green
Package
Temperature Range
Part Number
Marking ID
Packing
SO-8
-40 to +85
C
APR34150MTR-G1
34150M-G1
4000/Tape & Reel
Marking Information
(Top View)
First and Second Lines: Logo and Marking ID
Third Line: Date Code
Y: Year
WW: Work Week of Molding
A: Assembly House Code
XX: 7
th and 8th Digits of Batch No.
34150
M-G1
YWWAXX
-



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