AP8801SG-13 Diodes Inc, AP8801SG-13 Datasheet - Page 5
![IC LED DRIVER HIGH BRIGHT 8SOIC](/photos/5/42/54225/sop-8l_sml.jpg)
AP8801SG-13
Manufacturer Part Number
AP8801SG-13
Description
IC LED DRIVER HIGH BRIGHT 8SOIC
Manufacturer
Diodes Inc
Type
HBLED Driverr
Datasheet
1.AP8801SG-13.pdf
(11 pages)
Specifications of AP8801SG-13
Constant Current
Yes
Topology
PWM, Step-Down (Buck)
Number Of Outputs
1
Internal Driver
Yes
Type - Primary
Backlight
Type - Secondary
High Brightness LED (HBLED)
Frequency
500kHz
Voltage - Supply
8 V ~ 48 V
Voltage - Output
48V
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Operating Temperature
-40°C ~ 105°C
Current - Output / Channel
500mA
Internal Switch(s)
Yes
Efficiency
92%
High Level Output Current
500 mA
Operating Supply Voltage
8 V to 48 V
Maximum Supply Current
120 uA
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Led Driver Application
Commercial, Industrial Lighting
No. Of Outputs
1
Output Current
500mA
Input Voltage
8V To 48V
Dimming Control Type
PWM / DC
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
AP8801SGDITR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AP8801SG-13
Manufacturer:
DIODES
Quantity:
7 500
Application Information
LED Current Control
The LED current is controlled by the resistor RSET in Figure 1 connected between V
average output current in the LED(s) is defined as:
If the CTRL pin is driven by an external voltage (lower than 2.5V), the average LED current is:
AP8801 Rev. 4
DS31765
I
I
LED
LED
600
500
400
300
200
100
=
=
0
R
V
V
0
V
THD
CTRL
SET
REF
0.15 0.3 0.45 0.6 0.75 0.9 1.05 1.2 1.35 1.5 1.65 1.8 1.95 2.1 2.25 2.4 2.55 2.7 2.85
R
V
THD
SET
0.4
0.47
0.47
0.56
0.68
0.68
Figure 3: LED Current setting Vs R
0.82
0.82
0.82
1
1
1
LED current Versus RSET and VCTRL
1.2
1.2
RSET value [Ohms ]
1.2
www.diodes.com
1.5
1.5
1.5
5 of 11
2
2
2
500mA LED Step-down Converter
SET
and V
CTRL
3
3
3
3
IN
and SET. The nominal
DECEMBER 2009
LED current @
VCTRL = 1.25V
LED current @
VCTRL = 2.5V
LED current @
VCTRL = 0.625V
©
AP8801
Diodes Incorporated