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BPS

BP2808 Datasheet Preview

BP2808 Datasheet

LED Constant Current Driver

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General Description
The BP2808 is a current mode control LED driver IC.
The BP2808 can support DC voltage which ranges
from 12V to 600V, with duty cycle up to 100%. The
BP2808 can be used in non-isolation LEDs driving
system and can support AC supply voltage from 85V to
265V. The BP2808 uses patented technique for source
driver and constant current compensation, so LEDs
current has ±3accuracy with AC supply voltage
variation from 85V to 265V. What’s more, the patented
technique for the driving scheme ensures 90% higher
efficiency in the application of 18W LEDs lighting with
AC voltage range from 85V to 265V. In AC voltage
range from 85V to 265V, the BP2808 can drive
3W-36W LEDs array which is widely used in
E14/E27/PAR30/PAR38/GU10 lighting and tube LEDs
lighting.
The BP2808 has multiple LED protections, including
LED open-circuit protection, LED short-circuit
protection and thermal shutdown protection. If system
has a failure, the BP2808 will operate in protection
mode until system recovers.
The BP2808 is available in SOP8 packages.
Application
‹ LED Tube lighting
‹ E14/PAR30/PAR38/GU10/E27 LED spotlight
‹ LED Street lighting
‹ LED Signal lighting
‹ LED down-light
Features
‹ Source driver structure
‹ Constant current compensation
‹ System DC supply voltage: 12V to 600V.
System AC supply voltage: 85V to 265V.
‹ Duty Cycle up to 100%.
‹ Typical ±5% output current accuracy.
‹ Up to 95% system efficiency.
‹ LED open-circuit protection; LED short-circuit
protection.
‹ Internal thermal shutdown protection.
‹ Single DIM pin for dynamic temperature
compensation and brightness control using DC
voltage or PWM signal
Typical Application
93%
92%
91%
90%
89%
88%
85 105 125 145 165 185 205 225 245 265
251
250
249
248
247
246
85 105 125 145 165 185 205 225 245 265
Figure 1 Efficiency vs. Line Voltage
Figure 2 Output Current vs. Line Voltage
Brightness Power Semiconductor
BP2808_DS_EN_V2.0 Dec 2009
Page 1




BPS

BP2808 Datasheet Preview

BP2808 Datasheet

LED Constant Current Driver

No Preview Available !

Typical Application Circuit
Figure 3 Typical Application Circuit for AC supply
Figure 4 Typical Application Circuit for DC Supply
Brightness Power Semiconductor
BP2808_DS_EN_V2.0 Dec 2009
Page 2


Part Number BP2808
Description LED Constant Current Driver
Maker BPS
PDF Download

BP2808 Datasheet PDF






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