Diodes AP1684 Manuel d'utilisateur

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AP1684
Document number: DS36547 Rev. 3 - 2
1 of 13
www.diodes.com
February 2014
© Diodes Incorporated
AP1684
A Product Line of
Diodes Incorporated
AC/DC, HIGH PF, HIGH EFFICIENCY LED DRIVER CONTROLLER
Description
The AP1684 is a high performance AC/DC power factor corrected
LED driver controller which is driving high voltage bipolar transistor.
The device uses Pulse Frequency Modulation (PFM) technology to
regulate output current while achieving high power factor and low
THD. It operates as a boundary condition mode (BCM) buck controller
which is good for EMI.
The AP1684 provides accurate constant current (CC) regulation while
removing the opto-coupler and secondary control circuitry. It also
eliminates the need of loop compensation circuitry while maintaining
stability. It can meet the requirement of IEC6100-3-2 harmonic
standard.
The AP1684 features low start-up current, low operation current and
high voltage driving bipolar transistor. It adopts dynamic base driver
control technology and valley on switching mode to achieve high
efficiency. It also has rich protection features including over voltage,
short circuit, over temperature protection.
The AP1684 is available in SO-8 package.
Applications
LED Bulb Lamp
LED Down Light
GU10/E27
Other Non-dimmable LED Lighting
Pin Assignments
(Top View)
1
2
3
4
8
7
6
5
NC
RI
RM
CS
FB
GND
OUT
VCC
(SO-8/ M Package)
Features
Low Start-up Current
High PF and Low THD (PF > 0.9, THD < 30%)
High Efficiency up to 92%
BCM Mode
Output Current Accuracy on IC Level: ±2%
Tight LED Open Voltage
Valley-mode Switching to Minimize the Transition Loss
BJT Transistor Driver
Dynamic Base Driver Control
Open-load and Reload Detection
Internal Protections:
Under Voltage Lock Out (UVLO)
Leading-edge Blanking (LEB)
Output Short Protection
Output Open Protection
Over Temperature Protection
Low System Cost
SO-8 Package
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
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
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Résumé du contenu

Page 1 - © Diodes Incorporated

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Page 2

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Page 3 - Absolute Maximum Ratings (@T

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Page 4

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Page 5 - Performance Characteristics

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Page 6 - FB Leakage Current (

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Page 7 - Application Information

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Page 8

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Page 9 - Figure 3. OVP Circuit

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Page 10

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Page 11 - Option 2

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Page 12

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Page 13 - Diodes Incorporated

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