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PDF IX9907 Data sheet ( Hoja de datos )
| Número de pieza | IX9907 | |
| Descripción | LED Driver | |
| Fabricantes | IXYS | |
| Logotipo |  |
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INTEGRATED CIRCUITS DIVISION
Features
• Internal 650V, 2 power MOSFET
• Single stage, primary control with PFC and dimming
features
• >90% efficiency
• Power factor >98%
• Wide operating voltage range
• Digital soft-start
• Foldback correction and cycle-by-cycle peak current
control
• Output over-current and over-voltage protection
• Over-temperature protection
• Under-voltage lockout
Applications
• Incandescent Bulb Replacement
• Solid State Lighting
• Industrial and Commercial Lighting
IX9907 Functional Block Diagram
ZCV
Ringing
Suppress
Blanking
VCC
IX9907
High Voltage, Dimmable
LED Driver with PFC Control
Description
The IX9907 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 IX9907 incorporates an internal 650V power
MOSFET. It has a wide voltage operating range and
low power consumption. Multiple safety features
ensure full system protection under fault conditions.
With its strong feature set and low cost, the IX9907 is
an excellent choice for quasi-resonant, off-line flyback
LED bulb designs.
The IX9907 is available in a standard 8-pin SOIC
package.
Ordering Information
Part
IX9907N
IX9907NTR
Description
8-Pin SOIC (100/Tube)
8-Pin SOIC (2000/Reel)
VR
CS
DS-IX9907-R02
Reference Voltage
Generator
Over-Voltage Protection
Leading
Edge
Blanking
Foldback
Sense Amp
Over-Temp
Sensor
Foldback
Correction
VCC Monitor
Over - Under
Voltage Lockout
Control
Logic
Soft-Start
Control
Gate
Control
Shorted Winding Detection
Leading
Edge
Blanking
Leading
Edge
Blanking
PFC
LPF
GND
www.ixysic.com
Analog
Mux
DRAIN
SOURCE
1
1 page  
INTEGRATED CIRCUITS DIVISION
IX9907
1.4.6 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
1.4.7 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
-
1.4.8 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
Thermal Shutdown Temperature
Conditions
-
-
-
-
-
Temperature Increasing
1.4.9 Output Switch
Parameter
Drain-Source On-State On-resistance
Drain-Source Leakage Current
Conditions
IDRAIN=50mA, TJ=25°C
IDRAIN=50mA, TJ=125°C
VDRAIN=650V
Symbol
IZCV_FS
IZCV_LS
VCSMF
Symbol
VZCVCT
VZCVRS
tZCRS1
tZCRS2
tOffMax
Symbol
VCCOVP
VZCVOVP
tZCVOVP
VCSSW
tCSSW
TJTSD
Symbol
RDS(ON)
IDSS
Minimum
0.35
1.3
-
Minimum
50
-
1.62
-
30
Minimum
23
3.3
-
1.58
-
-
Minimum
-
-
-
Typical
0.5
1.85
0.66
Maximum
0.621
2.3
-
Typical
100
0.7
2.5
42
42
Maximum
170
-
4.5
-
57.5
Typical
25
3.45
100
1.68
190
140
Maximum
26
3.6
-
1.78
-
-
Typical
2.0
3.4
0.6
Maximum
2.3
4
100
Unit
mA
mA
V
Unit
mV
V
s
s
s
Unit
V
V
s
V
ns
°C
Unit
A
R02
www.ixysic.com
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet IX9907.PDF ] | |
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