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PDF AP1688 Data sheet ( Hoja de datos )
| Número de pieza | AP1688 | |
| Descripción | UNIVERSAL MAINS LED DRIVER CONTROLLER | |
| Fabricantes | Diodes | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AP1688 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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A Product Line of
Diodes Incorporated
AP1688
AC/DC, HIGH PF, HIGH EFFICIENCY, UNIVERSAL MAINS LED DRIVER CONTROLLER
Description
The AP1688 is a high performance AC/DC PFC and constant current
controller for universal mains LED driver applications. The device is a
buck controller which operates as a boundary conduction mode
(BCM) to achieve high efficiency and easy EMI.
An open loop algorithm is adopted in the AP1688, which will make the
system achieve excellent line and load regulations with high PF for
universal mains input.
The AP1688 features fast start-up, low start-up current, low operation
current and high efficiency. It also has rich protection features
including over voltage, short and open circuit, over current, over
temperature protection.
The AP1688 is available in SO-8 package.
Pin Assignments
(Top View)
Features
Optimized for Buck Topology
Boundary Conduction Mode (BCM) Operation to Achieve High
Efficiency
High Power Factor > 0.9
High Efficiency > 90%
System Current Accuracy: ±5%
Good Line Regulation and Load Regulation
Low Start-up Current
Tight CC Regulation Performance for Universal Input Mains
Voltage Range
Eliminates Control Loop Compensation Circuitry
Easy EMI
Open-load and Reload Detection
Over Temperature Protection
Over Current Protection
Over Voltage and Short and Open Circuit Protection
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
NC 1
VS 2
VA 3
CS 4
8 VCC
7 OUT
6 GND
5 FB
Applications
Universal Mains LED lighting
(SO-8/ M Package)
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
C1
VAC
BD1
TVS
L2
C2
R1
D2 R2
C3
R5
R7
C5 R6
8 VCC
FB 5
2
VS
3 VA
C6
OUT 7
GND
6
CS 4
+
D1 VOUT
C4
T1 -
R3
R4 Q1
RCS
AP1688
Document number: DS36603 Rev. 2 - 2
1 of 10
www.diodes.com
February 2015
© Diodes Incorporated
1 page  
Performance Characteristics
Supply Current vs. Supply Voltage
1200
1100
1000
900
800
700
600
500
400
300
200
100
0
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
Supply Voltage (V)
Output Clamp Voltage vs. Supply Voltage
15
14
13
12
11
10
9
8
7
6
5
8 10 12 14 16 18 20 22 24 26 28 30
Supply Voltage (V)
Minimal Operating Voltage vs. Ambient Temperature
8.2
8.1
8.0
7.9
7.8
7.7
7.6
7.5
-40
-20
0 20 40 60 80
Ambient Temperature (oC)
100 120
A Product Line of
Diodes Incorporated
AP1688
CV Threshold vs. Supply Voltage
4.2
4.1
4.0
3.9
3.8
3.7
3.6
8
10 12 14 16 18 20 22 24 26 28 30
Supply Voltage (V)
Start-up Voltage vs. Ambient Temperature
19.4
19.2
19.0
18.8
18.6
18.4
18.2
18.0
-40
-20
0 20 40 60 80
Ambient Temperature (oC)
100 120
Start-up Current vs. Ambient Temperature
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
-40
-20
0 20 40 60 80
Ambient Temperature (oC)
100 120
AP1688
Document number: DS36603 Rev. 2 - 2
5 of 10
www.diodes.com
February 2015
© Diodes Incorporated
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet AP1688.PDF ] | |
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