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PDF BP2327A Data sheet ( Hoja de datos )
| Número de pieza | BP2327A | |
| Descripción | Non-isolated Buck APFC LED Driver | |
| Fabricantes | BPS | |
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BP2327A
Non-isolated Buck APFC LED Driver
Description
The BP2327A is a high precision non-isolated buck
APFC LED driver, specially designed for universal
mains with constant current control. The driver with
on-chip PFC circuit achieves high power factor, low
THD and high efficiency.
The BP2327A integrates a 650V power MOSFET,
utilizes patent pending floating ground structure, and
operates in Critical Conduction Mode. The switching
loss is reduced and the inductor is fully utilized. The
inductor current is sensed during the whole switching
cycle and limited cycle by cycle. With few external
components, it achieves high precision output
current, excellent line regulation and load regulation.
The BP2327A offers full of protection functions to
improve the system reliability, including LED load
open circuit protection, LED load short protection,
VCC under voltage protection, Current Sense
resistor open circuit protection, and over
temperature protection. All the protection functions
are auto-recovery. The system reliability is further
improved by the thermal regulation function. The
output current is reduced when the driver is in
condition of over temperature.
Features
Active PFC for High Power Factor and Low THD
Integrated with 650V Power MOSFET
System Efficiency up to 95%
±3% LED Output Current Accuracy
Excellent Line and Load Regulation
Critical Conduction Mode Operation
Ultra Low (33uA) Start Up Current
Ultra Low (300uA) Operating Current
LED Short/Open Protection
Current Sensing Resistor Open Protection
Cycle by Cycle Current Limit
VCC Under Voltage Protection
Auto Fault Recovery
Thermal Regulation Function
Available in SOP-8 Package
Applications
LED retrofit lamps, Bulb, Spot Light, GU10/E27
LED PAR30, PAR38 Lamp
LED tube, LED String
Other LED Lighting
Typical Application
AC
BP2327A
5 DRAIN
FB 4
6 DRAIN
CS 8
3 VCC
1 COMP
CS 7
GND 2
BP2327A_EN _DS_Rev.1.3
Figure 1. Typical application circuit for BP2327A
www.bpsemi.com
Bright Power Semiconductor Co. Confidential – Customer Use Only
1
1 page  
BP2327A
Non-isolated Buck APFC LED Driver
Symbol
Parameter
Conditions
Min Typ Max Units
Power MOSFET
RDS_ON
Static Drain-source On-
resistance
VGS=10V/IDS=0.5A
4.5
Ω
BVDSS
Drain-Source Breakdown
Voltage
VGS=0V/IDS=250uA 650
V
Power MOSFET Drain
IDSS
Leakage Current
VGS=0V/VDS=300V
1 uA
Thermal Regulation Section
TREG
Thermal Regulation
Temperature
150 ℃
Note 4: production testing of the chip is performed at 25°C.
Note 5: the maximum and minimum parameters specified are guaranteed by test, the typical value are guaranteed by design, characterization and statistical
analysis
BP2327A_EN _DS_Rev.1.3
www.bpsemi.com
Bright Power Semiconductor Co. Confidential – Customer Use Only
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet BP2327A.PDF ] | |
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