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PDF AP1684A Data sheet ( Hoja de datos )
| Número de pieza | AP1684A | |
| Descripción | HIGH EFFICIENCY LED DRIVER CONTROLLER | |
| Fabricantes | Diodes | |
| Logotipo |  |
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Description
A Product Line of
Diodes Incorporated
AP1684A
AC/DC, HIGH PF, HIGH EFFICIENCY LED DRIVER CONTROLLER
Pin Assignments
The AP1684A is a high performance AC/DC power factor corrected
LED driver controller. 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 AP1684A 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 AP1684A features low start-up current, low operation current. It
adopts valley on switching mode to achieve high efficiency. It also has
rich protection features including over voltage, short circuit, over
temperature protection.
The AP1684A is available in SO-8 package.
Applications
LED Bulb Lamp
LED Down Light
GU10/E27
Other Non-dimmable LED Lighting
(Top View)
NC 1
RI 2
RM 3
CS 4
8 VCC
7 OUT
6 GND
5 FB
SO-8
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
Mosfet driver up to 25W
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
L1
AC
Input
F1
VR1
C1
DB1
C2 R9
R3
D1
C3
8
VCC
FB
5
2 RI
R1
OUT 7
R2
3 RM
GND
CS
4
6
AP1684A
D2
R4
R5
Q1
R6
R7 R8
+ C4
OUT
T1
AP1684A
Document number: DS37095 Rev. 1 - 2
1 of 13
www.diodes.com
August 2014
© Diodes Incorporated
1 page  
Performance Characteristics
Supply Current vs. Supply Voltage
1200
1000
800
600
400
200
00 4 8 12 16 20 24 28
Supply Voltage (V)
Start-up Voltage vs. Ambient Temperature
16.0
15.5
15.0
14.5
14.0
13.5
13.0
12.5
12.-040
-20
0 20 40 60 80
Ambient Temperature (oC)
100 120
Start-up Current vs. Ambient Temperature
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.-640
-20
0 20 40 60 80
Ambient Temperature (oC)
100 120
A Product Line of
Diodes Incorporated
AP1684A
CV Threshold vs. Supply Voltage
4.2
4.1
4.0
3.9
3.8
3.7
3.66 8 10 12 14 16 18 20 22 24 26 28
Supply Voltage (V)
Minimal Operating Voltage vs. Ambient Temperature
7.2
7.1
7.0
6.9
6.8
6.7
6.6
6.5
6.4
6.3
6.-240
-20
0 20 40 60 80
Ambient Temperature (oC)
100 120
Operating Current vs. Ambient Temperature
1000
900
800
700
600
50-040
-20
0 20 40 60 80
Ambient Temperature (oC)
100 120
AP1684A
Document number: DS37095 Rev. 1 - 2
5 of 13
www.diodes.com
August 2014
© Diodes Incorporated
5 Page 
Package Outline Dimensions (All dimensions in mm (inch).)
(1) Package Type: SO-8
4.700(0.185)
5.100(0. 201)
7 °~ 9°
1.350(0. 053)
1.750(0. 069)
A Product Line of
Diodes Incorporated
AP1684A
0.320(0. 013)
TYP
8°
7°~ 9°
1.270(0. 050)
TYP
0.100(0. 004)
0.300(0. 012)
0.600(0. 024)
0.725(0. 029)
8°
D
5.800(0. 228)
6.200(0. 244)
D
20:1
1.000(0. 039)
TYP
Option 1
3.800(0. 150)
4.000(0. 157)
0°
8°
Option 1
0.300(0. 012)
0.510(0. 020)
0.150(0. 006)
0.250(0. 010)
Option 2
1°
7°
R0.150(0.006)
0.450(0. 017)
0.820(0. 032)
0.350(0. 014)
TYP
Note: Eject hole , oriented hole and mold mark is optional.
AP1684A
Document number: DS37095 Rev. 1 - 2
11 of 13
www.diodes.com
August 2014
© Diodes Incorporated
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet AP1684A.PDF ] | |
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