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PDF IX9908 Data sheet ( Hoja de datos )

Número de pieza IX9908
Descripción LED Driver
Fabricantes IXYS 
Logotipo IXYS Logotipo



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No Preview Available ! IX9908 Hoja de datos, Descripción, Manual

INTEGRATED CIRCUITS DIVISION
Features
Single Stage, Primary Control with PFC and
Dimming Features
>90% Efficiency
Power Factor >98%
Wide Operating Voltage Range: Up to 600V
Digital Soft-Start
Cycle-by-Cycle Peak Current Control
Applications
Incandescent Bulb Replacement
Solid State Lighting
Industrial and Commercial Lighting
Pb e3
IX9908 Example Application
IX9908
High Voltage, Dimmable
LED Driver with PFC Control
Description
The IX9908 is a quasi-resonant controller optimized
for phase-cut dimmable, off-line LED applications.
Precise PWM generation supports phase-cut dimming
and power factor correction.
The product features a wide operating range, up to
600V, and low power consumption. Multiple safety
features ensure full system protection in failure
situations. The IX9908, with its strong feature set and
low cost, is an excellent choice for quasi-resonant
flyback LED bulb designs.
Ordering Information
Part
IX9908N
IX9908NTR
Description
8-Pin SOIC (100/Tube)
8-Pin SOIC (2000/Reel)
-AC
+
CIN
RIN1
RIN2
DVCC
CVCC
RZCV1
CZCV
T1
SNUBBER
Aux
RZCV2
Q1
VCC ZCV HV GD
IX9908
VR GND CS
DVR
CVR
RCS
CC
DOUT
COUT
LEDs
DS-IX9908-R01
www.ixysic.com
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IX9908 pdf
INTEGRATED CIRCUITS DIVISION
IX9908
1.5.6 Foldback Point Correction
Parameter
ZCV Current First Step Threshold
ZCV Current Last Step Threshold
CS Threshold Minimum
Conditions
-
-
IZC = 2.3 mA, VVR = 3.0V
1.5.7 Digital Zero Crossing
Parameter
Zero Crossing Voltage
Ringing Suppression Threshold
Minimum Ringing Suppression Time
Maximum Ringing Suppression Time
Maximum Restart Time in Normal Operation
Conditions
-
-
VZC > VZCRS
VZC < VZCRS
-
1.5.8 Protection
Parameter
VCC Overvoltage Threshold
Output Overvoltage Detection Threshold at the ZCV Pin
Blanking Time for Output Overvoltage Protection
Threshold for Short Winding Protection
Blanking Time for Short Winding Protection
Over-Temperature Protection
Conditions
-
-
-
-
-
-
1.5.9 Gate Drive
Parameter
Output Voltage at Logic Low
Output Voltage at Logic High
Output Voltage Active Shut-Down
Rise Time
Fall Time
Conditions
VCC=18V, IOUT=10mA
VCC=18V, IOUT= -10mA
VCC=9V, IOUT=10mA
COUT=1nF, VGD=2V to 8V
COUT=1nF, VGD=8V to 2V
Symbol
IZC_FS
IZC_LS
VCSMF
Minimum
0.35
1.3
-
Typical
0.5
1.85
0.66
Maximum
0.621
2.3
-
Unit
mA
mA
V
Symbol
VZCCT
VZCRS
tZCRS1
tZCRS2
tOffMax
Minimum
50
-
1.62
-
30
Typical
100
0.7
2.5
42
42
Maximum
170
-
4.5
-
57.5
Unit
mV
V
s
s
s
Symbol
VCCOVP
VZCVOVP
tZCVOVP
VCSSW
tCSSW
TJTSP
Minimum
24
3.55
-
1.60
-
-
Typical
25
3.7
100
1.68
190
140
Maximum
26
3.87
-
1.78
-
-
Unit
V
V
s
V
ns
°C
Symbol
VGATElow
VGATEhigh
VGATEasd
trise
tfall
Minimum
-
9
-
-
-
Typical
-
10
-
117
27
Maximum
1
-
1
-
-
Unit
V
V
V
ns
ns
R01
www.ixysic.com
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