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PDF AP4341S Data sheet ( Hoja de datos )
| Número de pieza | AP4341S | |
| Descripción | DYNAMIC PSR ACCELERATOR | |
| Fabricantes | Diodes | |
| Logotipo |  |
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AP4341S
DYNAMIC PSR ACCELERATOR
Description
The AP4341S is an output voltage detector for Primary Side Control
System. It is a low power loss solution. It detects the output voltage
and provides a periodical signal when the output voltage is lower than
a certain threshold. The periodical signal can be coupled by the
transformer to the primary side and provided as an awakening signal
for the main primary side controller. By fast response to secondary
side voltage, the AP4341S can effectively improve the transient
performance of Primary Side Control System.
Pin Assignments
(Top View)
GND
3
The AP4341S will enable a discharge circuit when it detects the
output voltage is higher than a certain threshold.
The AP4341S can cooperate with some PSR ICs, such as AP3775,
GP350H and GP350BX.
The AP4341S is available in SOT23 package.
1
VCC
2
OUT
SOT23
Features
Fast Detector of Supply Voltages
33kHz Output Pulse
No External Components
Low Power Loss for Green Mode Applications
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Applications
Adapters/Chargers for Cell/Cordless Phones, ADSL Modems,
MP3 and Other Portable Apparatus
Standby and Auxiliary Power Supplies
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
Typical Applications Circuit
FR1 L 1
D4 to D7
C1
+
R3
C2 +
R4
L2
C8 R12
D2
R11
C5 D3
R10
TR1
D1
R6 R7
OUT VCC
C3
GND IC2
AP4341S
+
+
C4
IC1
VCC
CS OUT
R5
CPC
FB
C6 EM
GND
IS
Q1
R16
R17
R2
VO
AP4341S
Document number: DS38219 Rev. 2 - 2
1 of 8
www.diodes.com
December 2015
© Diodes Incorporated
1 page  
Ordering Information
AP4341S X XX - XX
AP4341S
Product Name
Package
N: SOT23
Packing
TR: Tape & Reel
RoHS/Green
G1: Green
Package
SOT23
Temperature Range
-40 to +85C
Part Number
AP4341SNTR-G1
Marking ID
GFB
Packing
3000/Tape & Reel
Marking Information
GFB
: Logo
GFB: Marking ID
AP4341S
Document number: DS38219 Rev. 2 - 2
5 of 8
www.diodes.com
December 2015
© Diodes Incorporated
5 Page | ||
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