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BP9911CB Datasheet Preview

BP9911CB Datasheet

Non-isolated Buck Offline LED Driver

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晶丰明源半导体
BP9911CB
Non-isolated Buck Offline LED Driver
Description
BP9911CB is a high precision Buck constant current
LED driver. The device operates in critical
conduction mode and is suitable for 85Vac~265Vac
universal input offline LED lighting.
The BP9911CB integrates a 500V power MOSFET.
With patent pending MOSFET driving technique, the
operating current of the IC is as low as 180uA. It
doesn’t need the auxiliary winding for VCC supply.
It can achieve excellent constant current performance
with very few external components, so the system
cost and size are minimized.
BP9911CB utilizes patent pending current control
method. It can achieve precise output current and
excellent line regulation. The driver operates in
critical conduction mode, the output current does not
change with the inductance and output voltage.
The BP9911CB offers rich protections to improve
the system reliability, including LED short circuit
protection, VCC under voltage protection and
thermal regulation function.
Features
Internal 500V Power MOSFET
Integrated HV JFET for VCC Power Supply
Critical Conduction Mode Operation
Low Operating Current
±5% LED Output Current Accuracy
LED Short Protection
VCC Under Voltage Protection
Thermal Regulation Function
Available in CPC4 Package
Applications
LED Candle Light
LED Bulb
Other LED Lighting
Typical Application
AC
BP9911CB
3 CS
DRAIN 2
4 CS
VCC 1
Figure 1. Typical application circuit for BP9911CB
BP9911CB_EN _DS_Rev.1.0
www.bpsemi.com
BPS Confidential Customer Use Only
1




BPS

BP9911CB Datasheet Preview

BP9911CB Datasheet

Non-isolated Buck Offline LED Driver

No Preview Available !

晶丰明源半导体
BP9911CB
Non-isolated Buck Offline LED Driver
Ordering Information
Part Number
BP9911CB
Package
CPC4
Operating
Temperature
-40 ℃ to 105 ℃
Packing Method
Tape
15,000 Pcs/Reel
Marking
9911C
WXYYB
Pin Configuration and Marking Information
VCC
DRAIN
CS
X: Sign
X: Year
YY: Week
CS
Pin Definition
Pin No.
1
2
Name
VCC
DRAIN
3,4 CS
Figure 2. Pin configuration
Description
Power Supply Pin.
Internal HV Power MOSFET Drain.
IC GND Pin, also for Current Sense. Connect a sense resistor between
this pin and power GND.
BP9911CB_EN _DS_Rev.1.0
www.bpsemi.com
BPS Confidential Customer Use Only
2


Part Number BP9911CB
Description Non-isolated Buck Offline LED Driver
Maker BPS
Total Page 2 Pages
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