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CPC9909 Datasheet(PDF) 1 Page - IXYS Corporation

Part # CPC9909
Description  High Effciency,Off-line, High Brightness LED Driver
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Manufacturer  IXYS [IXYS Corporation]
Direct Link  http://www.ixys.com
Logo IXYS - IXYS Corporation

CPC9909 Datasheet(HTML) 1 Page - IXYS Corporation

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INTEGRATED CIRCUITS DIVISION
DS-CPC9909-R03
www.ixysic.com
1
CPC9909
High Efficiency, Off-Line,
High Brightness LED Driver
e3
Pb
Features
8V
DC to 550VDC Input Voltage Range
>90% Efficiency
Stable Operation at >50% Duty Cycle
Drives Multiple LEDs in Series/Parallel
Regulated LED Current
Linear or PWM Brightness Control Inputs
Resistor-Programmable Minimum Off-Time
SOIC-8 RoHS Compliant Package
Buck or Boost Configuration
Applications
Flat-Panel Display RGB Backlighting
Signage and Decorative LED Lighting
DC/DC or AC/DC LED Driver Applications
Description
The CPC9909 is a low cost, high-efficiency, offline,
high-brightness (HB) LED driver manufactured using
IXYS Integrated Circuits Division’s high voltage
BCDMOS on SOI process. This driver has an internal
regulator that allows it to operate from 8VDC to
550VDC . This wide input operating voltage range
enables the driver to be used in a broad range of HB
LED applications.
The CPC9909 features pulse frequency modulation
(PFM) with a constant peak-current control scheme.
This regulation scheme is inherently stable, allowing
the driver to be operated above 50% duty cycle
without open loop instability or sub-harmonic
oscillations. LED dimming can be implemented by
applying a small DC voltage to the LD pin, or by
applying a low frequency PWM signal to the PWMD
pin.
The CPC9909 is available in a standard 8-lead SOIC
package and a thermally enhanced 8-lead SOIC
package with an exposed thermal pad (EP).
Ordering Information
CPC9909 Block Diagram
Part
Description
CPC9909N
SOIC-8 (100/Tube)
CPC9909NTR
SOIC-8 Tape & Reel (2000/Reel)
CPC9909NE
SOIC-8 EP (Exposed Pad) (100/Tube)
CPC9909NETR
SOIC-8 EP (Exposed Pad)Tape & Reel
(2000/Reel)
Voltage
Regulator
Voltage
Reference
Q
TRIG
Minimum Off-Time
One Shot
S
R
Q
-
+
-
+
V
DD
V
IN
LD
PWMD
GND
CS
GATE
RT
R
T


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