A Product Line of
Diodes Incorporated
AP1694
OFFLINE, HIGH PF, HIGH EFFICIENCY DIMMABLE LED DRIVER CONTROLLER
Description
The AP1694 is a high performance AC/DC power factor corrector for
mains dimmable LED driver applications. The device uses Pulse
Frequency Modulation (PFM) technology to regulate output current
while achieving high power factor and low THD. It operates as a BCM
(Boundary Conduction Mode) controller which is good for EMI.
Features
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Primary Side Control for Output Current Regulation without Opto-
coupler
Boundary Conduction Mode (BCM) Operation to Achieve High-
efficiency
High PF and Low THD
High Efficiency without Dimmer
Wide Range of Dimmer Compatibility
Dimming Curve Compliant with NEMA SSL6
Low Start-up Current
Tight LED Current
Tight LED Open Voltage
BJT Transistor Driver
Dynamic Base Driver Control
Valley-mode Switching to Minimize the Transition Loss
Easy EMI
Internal Protections:
Under Voltage Lock Out (UVLO)
Leading-edge Blanking (LEB)
Output Short Protection
Output Open Protection
Over Temperature Protection
•
•
Flexible for Design with Small Form Factor and Very Low BOM
Cost
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
•
(Top View)
NEW PRODUCT
The AP1694 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 AP1694 features low start-up current, low operation current. 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 AP1694 provides the dimmable LED driver with a wide dimmer
compatibility including leading edge and trailing edge dimmer. The
AP1694 can achieve deep dimming down to 1%, while the dimming
curve is compliant with the standard of NEMA SSL6.
The AP1694 is available in SO-8 package.
Pin Assignments
Applications
•
Mains Dimmable LED Lighting
NC
RI
SGND
CS
1
2
3
4
8
7
6
5
VCC
OUT
GND
FB
(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.
AP1694
Document number: DS36522 Rev. 2 - 2
1 of 9
www.diodes.com
December 2013
© Diodes Incorporated
A Product Line of
Diodes Incorporated
AP1694
Functional Block Diagram
VCC
8
Vdd
Power_EN
Vref
Regulator&
Bias
CS_OCP
FB_CV
PRO Protection
& Latch FB_OVP
VCC_OVP
NEW PRODUCT
FB
5
Tons
Detector
Tons
RI
2
Set Initial Tonp
CC_CTRL
S
TONP_CTRL
Logic Q
R
PFM
Driver
7
OUT
SGND
3
Vcs_valley
Vcsmax
CS
4
Constant Turn-on
Time Generation
6
GND
Absolute Maximum Ratings
(Note 4) (@T
A
= +25°C, unless otherwise specified.)
Symbol
V
CC
I
OUT
V
CS
V
FB
T
J
T
STG
T
LEAD
P
D
θ
JA
–
–
Power Supply Voltage
Driver Output Current
Voltage at CS to GND
FB Input Voltage
Operating Junction Temperature
Storage Temperature
Lead Temperature (Soldering, 10 sec)
Power Dissipation (T
A
= +50°C)
Thermal Resistance (Junction to Ambient)
ESD (Human Body Model)
ESD (Charged-device Model)
Parameter
Rating
-0.3 to 35
150
-0.3 to 7
-40 to 10
-40 to +150
-65 to +150
+300
0.65
160
2000
±1000
Unit
V
mA
V
V
°C
°C
°C
W
°C/W
V
V
Note: 4. Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “Recommended Operating Conditions” is not implied.
Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability.
AP1694
Document number: DS36522 Rev. 2 - 2
3 of 9
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December 2013
© Diodes Incorporated
A Product Line of
Diodes Incorporated
AP1694
Recommended Operating Conditions
Symbol
V
CC
T
A
Power Supply Voltage
Ambient Temperature
Parameter
Min
7
-40
Max
25
+105
Unit
V
°C
Electrical Characteristics
(@T
A
= +25°C, unless otherwise specified.)
NEW PRODUCT
Symbol
UVLO Section
V
TH
(ST)
V
OPR
(Min)
V
CC_OVP
–
Standby Current Section
I
ST
I
CC
(OPR)
Drive Output Section
I
OUT
V
OS
Current Sense Section
V
CS_REF
V
CS_CLAMP
t
ONP_MIN
t
D(H-L)
Feedback Input Section
I
FB
V
FB_CV
V
FB_OVP
Output Current
–
System Output Current On Final
Test Board
–
–
–
–
+150
–
–
–
+20
±2
–
–
%
°C
°C
Feedback Pin Input Leakage
Current
FB CV Threshold
FB OVP Threshold
V
FB
= 2V
–
–
–
3.8
4.5
–
4
6
4
4.2
7.5
µA
V
V
Current Sense Reference
Current Sense Reference
Clamp
Minimum t
ONP
Delay to Output (Note 5)
–
–
–
–
–
1.2
700
50
1
1.4
–
150
–
–
1000
250
V
V
ns
ns
Output Current (Note 5)
UVLO Saturation Voltage
V
CS_PEAK
= 1V
V
CC
= 0 to V
CC-ON
,
I
SINK
= 10mA
–
–
–
–
60
1.1
mA
V
Start-up Threshold
Minimum Operating Voltage
VCC OVP Voltage
VCC Delatch Voltage (Note 5)
–
After turn on
–
–
V
CC
= V
TH
(ST) -0.5V,
Before start up
Static
13
5.5
27
3
14.5
6.5
29
4
16
7.5
31
5
V
V
V
V
Parameter
Conditions
Min
Typ
Max
Unit
Start-up Current
Operating Current
–
–
–
900
20
1300
µA
µA
Over Temperature Protection Section
–
Shutdown Temperature (Note 5)
–
Temperature Hysteresis (Note 5)
Note: 5. These parameters, although guaranteed by design, are not 100% tested in production.
AP1694
Document number: DS36522 Rev. 2 - 2
4 of 9
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December 2013
© Diodes Incorporated
A Product Line of
Diodes Incorporated
AP1694
Performance Characteristics
CV Threshold vs. Supply Voltage
4.2
Start-up Voltage vs. Ambient Temperature
16.0
15.5
4.1
15.0
4.0
Start-up Voltage (V)
CV Threshold (V)
14.5
14.0
13.5
13.0
12.5
12.0
-40
NEW PRODUCT
3.9
3.8
3.7
3.6
6
8
10
12
14
16
18
20
22
24
26
28
30
-20
0
20
40
60
o
80
100
120
Supply Voltage (V)
Ambient Temperature ( C)
Minimal Operating Voltage vs. Ambient Temperature
7.2
7.1
Start-up Current vs. Ambient Temperature
0.5
Minimal Operating Voltage (V)
7.0
0.4
Start-up Current (
μ
A)
6.9
6.8
6.7
6.6
6.5
6.4
6.3
6.2
-40
-20
0
20
40
60
o
0.3
0.2
0.1
80
100
120
0.0
-40
-20
0
20
40
60
o
80
100
120
Ambient Temperature ( C)
Ambient Temperature ( C)
Operating Current vs. Ambient Temperature
1000
4.50
CV Threshold vs. Ambient Temperature
4.25
Operating Current (
μ
A)
900
CV Threshold (V)
4.00
800
3.75
3.50
700
3.25
600
-40
-20
0
20
40
60
o
80
100
120
3.00
-40
-20
0
20
40
60
o
80
100
120
Ambient Temperature ( C)
Ambient Temperature ( C)
AP1694
Document number: DS36522 Rev. 2 - 2
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December 2013
© Diodes Incorporated
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