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IX9907 の電気的特性と機能

IX9907のメーカーはIXYSです、この部品の機能は「LED Driver」です。


製品の詳細 ( Datasheet PDF )

部品番号 IX9907
部品説明 LED Driver
メーカ IXYS
ロゴ IXYS ロゴ 




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IX9907 Datasheet, IX9907 PDF,ピン配置, 機能
INTEGRATED CIRCUITS DIVISION
Features
Internal 650V, 2power 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





IX9907 pdf, ピン配列
INTEGRATED CIRCUITS DIVISION
1. Specifications
1.1 Package Pinout
ZCV 1
VR 2
CS 3
SOURCE 4
8 GND
7 VCC
6 NC
5 DRAIN
1.2 Absolute Maximum Ratings
Parameter
DRAIN Voltage
DRAIN Current
VCC Supply Voltage
VR Voltage
ZCV Voltage
CS Voltage
SOURCE Voltage
Maximum Current From ZCV Pin
Junction Temperature
Storage Temperature
Thermal Impedance
Junction to Ambient
Symbol Ratings Unit
VD 650
ID 1.7
VCC -0.3 to 40
VVR -0.3 to 5
VZCV -0.3 to 5
VCS -0.3 to 5
VS -0.3 to 5
IZCVmax
3
TJ - 40 to +150
TSTG - 55 to +150
V
A
V
V
V
V
V
mA
°C
°C
JA 125 °C/W
Absolute maximum electrical ratings are at 25°C.
IX9907
1.3 Pin Description
Pin#
1
2
3
4
5
6
7
8
Name
Description
ZCV Zero crossing
VR Voltage sense
CS
Current sense
(Internally connected to SOURCE)
SOURCE Power switch MOSFET source
DRAIN Power switch MOSFET drain
NC Not connected
VCC Controller power supply
GND Controller ground
R02
www.ixysic.com
3


3Pages


IX9907 電子部品, 半導体
INTEGRATED CIRCUITS DIVISION
IX9907
2. Functional Description
Figure 1 IX9907 Typical Application
AC
-
+
CIN
R1 Q1
DVCC
RZCV1
Z1
CVCC
CZCV
RZCV2
T1
SNUBBER
DOUT
COUT
Aux
VCC ZCV DRAIN
IX9907
SOURCE
RIN1 VR GND CS
DVR
CC
LEDs
RIN2 CVR
RCS
2.1 Soft Start
Once the main input voltage is applied, a rectified
voltage will appear across CIN. VCC capacitor (CVCC)
will be charged during the power-up phase of
operation through an external transistor. Once VCC
reaches VVCC_on (typically 18V), the device will
Figure 2 Start-Up
initiate a soft-start sequence. This is intended to
minimize the electrical stresses on the device’s
MOSFET power switch, DOUT, DVCC, and the
transformer. The soft-start operates as shown in
Figure 2. The duration of this soft-start is 12mS
nominal and steps VCS, the current sense voltage, to
four values, as shown.
Maximum Current (Sense Voltage)
During Soft-Start
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Time (ms)
6
www.ixysic.com
R02

6 Page



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共有リンク

Link :


部品番号部品説明メーカ
IX9907

LED Driver

IXYS
IXYS
IX9908

LED Driver

IXYS
IXYS


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