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PT6911 Arkusz danych (PDF) - Princeton Technology Corp

PT6911 Datasheet PDF - Princeton Technology Corp
Numer części PT6911
Pobierz  PT6911 Pobierz

Rozmiar pliku   178.19 Kbytes
Page   4 Pages
Producent  PTC [Princeton Technology Corp]
Strona internetowa  http://www.princeton.com.tw
Logo PTC - Princeton Technology Corp
Szczegółowy opis Wide Input Range Buck LED Driver

PT6911 Datasheet (PDF)

Go To PDF Page Pobierz Arkusz danych
PT6911 Datasheet PDF - Princeton Technology Corp

Numer części PT6911
Pobierz  PT6911 Click to download

Rozmiar pliku   178.19 Kbytes
Page   4 Pages
Producent  PTC [Princeton Technology Corp]
Strona internetowa  http://www.princeton.com.tw
Logo PTC - Princeton Technology Corp
Szczegółowy opis Wide Input Range Buck LED Driver

PT6911 Arkusz danych (HTML) - Princeton Technology Corp

PT6911 Datasheet HTML 1Page - Princeton Technology Corp PT6911 Datasheet HTML 2Page - Princeton Technology Corp PT6911 Datasheet HTML 3Page - Princeton Technology Corp PT6911 Datasheet HTML 4Page - Princeton Technology Corp

PT6911 Szczegóły Produktu

DESCRIPTION

The PT6911 is ideally suited for AC/DC buck LED drivers. Since the PT6911 includes an 8V-450V linear regulator which allows it to work from a wide range of input voltages without the need for an external low voltage supply. Besides, the PT6911 operates in hysteretic control mode, the controller achieves good output current regulation without the need for any loop compensation. The PT6911 delivers constant current within high accuracy to a wide variety and number of series connected LEDs.

The PT6911 includes PWM dimming and linear dimming functions. The PWM dimming input can accept an external control signal with a duty cycle of 0~100% and a frequency between 100Hz and a few KHz. Output current to LED string can be programmed to any value between 0 to its maximum value by PWM dimming. Also, a 0~1.2V linear dimming input can be used for linear dimming of the LED current.



FEATURES

• 8V to 450V input range

• Hysteretic controller

• High accuracy output current

• Low stand-by power dissipation

• Soft start

• PWM low-frequency dimming and linear dimming



APPLICATIONS

• AC/DC LED driver

• Backlight LED driver

• Constant-Current driver



 




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