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BP3106 Datasheet Preview

BP3106 Datasheet

High Precision PSR Constant Current LED Driver

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BP3106
High Precision PSR Constant Current LED Driver
Description
The BP3106 is a high precision primary-side feedback
and regulation controller for LED lighting, it operates
in constant current control mode and is designed to
work in inductor current discontinuous conduction
mode and extremely suitable for buckboost/flyback
convertor under universal input.
Since adopting primary sense and feedback control
technology, the secondary sense and feedback circuit
is eliminated. The loop compensation components are
also removed while maintaining stability overall
operating conditions. The low component counts and
low BOM cost are realized.
Since using the proprietary high accurate current sense
method, the BP3106 realizes ±5% accuracy of LED
current along with excellent line regulation and load
regulation.
The BP3106 offers rich protection functions including
LED short circuit protection, LED open circuit
protection, die over-temperature protection, VCC over
voltage protection, VCC under voltage protection and
FB short circuit protection. All the protection features
are auto-recovery.
Typical Application
Features
Constant current control without secondary sense
and feedback circuit.
±5% LED current accuracy
Ultra low operating current to improve efficiency
High resistance feedback resistor to improve
efficiency
Universal input voltage
LED short and open circuit protection
VCC under-voltage protection
Feedback loop short circuit protection
Current sense resistor open circuit protection
Over temperature protection
No external loop compensation component
required
Available in SOT23-5 package
Applications
GU10/E27 LED bulb, spot light
Other LED lighting
NP NS
AC
BP3106
NAUX
VCC
FB
GND CS GATE
BP3106_EN_DS_Rev.1.2
Figure 1. Typical application circuit for BP3106
www.bpsemi.com
Bright Power Semiconductor Co. Confidential Customer Use Only
1




BPS

BP3106 Datasheet Preview

BP3106 Datasheet

High Precision PSR Constant Current LED Driver

No Preview Available !

BP3106
High Precision PSR Constant Current LED Driver
Ordering Information
Part Number
Package
BP3106
SOT23-5
Operating
Temperature
-40to 105
Packing Method
Tape
3,000 Piece/Reel
Marking
3106X
Pin Configuration and Marking Information
VCC FB
GND
GATE CS
Pin Definition
Pin No.
1
2
3
Name
VCC
GND
GATE
4 CS
5 FB
Figure 2. Pin configuration
Description
Power supply
Ground
Gate Driver Pin. Connect it to the gate of external power MOSFET.
Current sense. This pin connects a current sense resistor to GND to detect
the primary current of transformer.
Feedback Pin. This pin detects the output information from auxiliary
winding.
BP3106_EN_DS_Rev.1.2
www.bpsemi.com
Bright Power Semiconductor Co. Confidential Customer Use Only
2


Part Number BP3106
Description High Precision PSR Constant Current LED Driver
Maker BPS
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BP3106 Datasheet PDF






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