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BP3339 Datasheet Preview

BP3339 Datasheet

High PF PSR LED Driver Controller

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晶丰明源半导体
BP3339
High PF PSR LED Driver Controller
General Description
BP3339 is a high PF PSR constant current LED
driver with high current accuracy. It is suitable for
90Vac-277Vac universal input.
BP3339 realizes high PF by constant on time
control. With internal THD optimizer, the THD of
input current can be lower than 15% under
universal input. BP3339 works in BCM mode,
which can help to improve switching loss and
EMI performance.
With internal HV start up and fast start up control,
BP3339 can build up output current within 500ms.
With internal line and load compensation,
BP3339 can achieve excellent line and load
regulation.
BP3339 can work as floating buck-boost with
single-winding inductor or isolated Flyback
topology with two or three windings transformer.
BP3339 adopts SOP-8 package.
Feature
90-277Vac universal input
High PF low THD (PF>0.9THD<15%)
Two windings for isolated application
Build in HV start up, start up time <500mS
High precious current reference(+/-3%)
Good line and load regulation
Critical conduction mode
Low operation current
VCC UVLO
Cycle by cycle current limitation
COMP pin open protection
Output open/short protection
Thermal fold back
SOP-8 package
Application
External LED driver
Non-isolated driver for tube or down light
BP3339_EN_DS_Rev.1.0
www.bpsemi.com
BPS Confidential – Customer Use Only
1




BPS

BP3339 Datasheet Preview

BP3339 Datasheet

High PF PSR LED Driver Controller

No Preview Available !

晶丰明源半导体
Typical Application
AC
BP3339
High PF PSR LED Driver Controller
BP3339
8 VCC
HV 5
2 FB
GATE 4
1 COMP
7 GND
CS 3
NC 6
Fig 1 Floating isolated application with two-winding transformer
NP NS
AC BP3339
8 VCC
HV 5
NA
2 FB
GATE 4
1 COMP
CS 3
7 GND
NC 6
Fig 2 Grounded isolated application with Three-winding transformer
BP3339_EN_DS_Rev.1.0
www.bpsemi.com
BPS Confidential – Customer Use Only
2


Part Number BP3339
Description High PF PSR LED Driver Controller
Maker BPS
Total Page 2 Pages
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