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PDF PT6913 Data sheet ( Hoja de datos )
| Número de pieza | PT6913 | |
| Descripción | Current Regulator | |
| Fabricantes | PTC | |
| Logotipo |  |
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DESCRIPTION
PT6913 is a special current regulator to drive HV LED.
Compact, few external components design is very
flexible in many applications. PT6913 provides a
programmable 10~100mA constant current. Maximum
400V input voltage provides high reliability for HV LED
lighting. The simple driving topology will improve
power factor, efficiency. EMI issue will be avoided with
this linear control.
Special design is convenient in high-side application.
LED open/short is protected by PT6913. The high
voltage will be absorbed by PT6913 itself. LEDs will
never face high voltage problem.
To improve driving capability, PT6913 provides a pin to
drive external MOSFET. It will be flexible in larger
current application.
PT6913 also provide temperature compensation.
When internal junction temperature is higher than
135 ℃ , PT6913 will decrease the output current
linearly. The output current will be zero when junction
temperature reaches 150℃. This protection effectively
avoids the flicker problem during abnormal
environment temperature.
APPLICATIONS
GU10, MR16, E11, E17 LED Bulb
Compact Size LED Lighting
TRIAC Dimming
BLOCK DIAGRAM
Reference
PT6913
Current Regulator for HV LED
FEATURES
5V~400V Operating Voltage
10~100mA Programmable Output Current
±5% Current Accuracy (Target)
Less Than 150uA Operating Current
Parallel Using for High Current Application
Driving External MOSFET for Larger Current
LED Short Protection
Temperature Compensation
When TJ>135℃, output current will be decreased.
Output current will be zero when TJ=150℃
Electrical Capacitor Needless
High Power Factor
High Efficiency
Few External Components
SOT89-5 Package
Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan
1 page  
ABSOLUTE MAXIMUM RATINGS
Parameter
VIN to GND
IS to GND
GD to GND
Maximum Output Current
Operating Temperature
Storage Temperature
Continuous Power Dissipation(Ta=25℃)
Symbol
-
-
-
IOUT
TOPR
TSTG
PTOT
PT6913
Rating
-0.3~+700
-0.3~+7.0
-0.3~+30.0
120
-40~+105
-50~+150
1.5(TBD)
Unit
V
V
V
mA
℃
℃
W
REF2.1 5 Nov., 2011
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet PT6913.PDF ] | |
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