PT6901-SA PTC [Princeton Technology Corp], PT6901-SA Datasheet

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PT6901-SA

Manufacturer Part Number
PT6901-SA
Description
High Power LED Driver
Manufacturer
PTC [Princeton Technology Corp]
Datasheet
1.PT6901-SA.pdf (4 pages)

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
PT6901-SA
Manufacturer:
PTC
Quantity:
20 000
Company:
H&T Electronics H&T Electronics
Part Number:
PT6901-SA
Quantity:
25 000
DESCRIPTION
PT6901 is an open loop current mode control high
brightness LED driver IC. PT6901 can be programmed
to operate in either constant frequency or constant
off-time mode. The frequency can be programmable
set as 30KHz~300KHz. The PT6901 is ideally suited
for buck LED drivers. It exports PWM signal to control
the external MOS. The PT6901 supply voltage input
range is from 8V to 12V, and the output current can be
programmed between a few milliamps and up to more
than 1.0A. PT6901 can drive a single or multiple series
LEDs, and provide reliability constant current output by
detecting LED peak current.
The functions of linear and PWM dimming are
included. PT6901 provides a low-frequency PWM
dimming input that 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 at the PWM dimming control input
of PT6901. Also, a 0~240mV linear dimming input can
be used for linear dimming of the LED current.
APPLICATIONS
BLOCK DIAGRAM
Tel: 886-66296288
• DC/DC or AC/DC LED driver
• Backlight LED driver
• Constant-Current driver
• Charger
‧
Fax: 886-29174598
‧
http://www.princeton.com.tw
FEATURES
‧
• Constant-current driver
• >85% Efficiency
• Constant frequency or constant off-time
• 8V to 12V input range
• LED string from one to hundreds diodes
• Applications from a few mA to more than 1A LED
• PWM low-frequency dimming and linear dimming
2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan
operation
driver
High Power LED Driver
PT6901

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PT6901-SA Summary of contents

Page 1

... MOS. The PT6901 supply voltage input range is from 8V to 12V, and the output current can be programmed between a few milliamps and up to more than 1.0A. PT6901 can drive a single or multiple series LEDs, and provide reliability constant current output by detecting LED peak current. ...

Page 2

... TYPICAL APPLICATION Typical 220V AC application for a string LEDs V1.5 2 PT6901 August, 2009 ...

Page 3

... Oscillator frequency control. The PT6901 operates in constant frequency mode when a resistor RF is connected between RF and GND. The PT6901 operates in constant off-time mode when a resistor is connected between RF and GD. V1.5 Package Type 8 Pins, SOP, 150MIL Description 3 PT6901 Top Code PT6901-SA Pin No August, 2009 ...

Page 4

... PTC cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a PTC product. No circuit patent licenses are implied. Princeton Technology Corp. 2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan Tel: 886-2-66296288 Fax: 886-2-29174598 http://www.princeton.com.tw V1.5 4 PT6901 August, 2009 ...

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