catalogue search
P. 01
P. 02
P. 03
P. 04
P. 05
P. 06
P. 07
P. 08
P. 09
P. 10
P. 11
P. 12
P. 13
P. 14
P. 15
P. 16
P. 17
P. 18
P. 19
P. 20
P. 21
P. 22
P. 23
P. 24
P. 25
P. 26
P. 27
P. 28
P. 29
P. 30
P. 31
P. 32
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
You may also be interested in
Clock generator, Oscillator, VCO, Decoder, Audio codec
Text version of the page
| LP39542 - PowerWise® Advanced Lighting Management Unit | ||||||||||||||||||||||||||
| Features • Audio synchronization for color/RGB LEDs • Command-based PWM controlled RGB LED drivers • Programmable ON/OFF blinking sequences for RGB LED • High current driver for flash LED with built-in timing and safety feature • 4+2 or 6 low voltage constant current white LED drivers with programmable 8-bit adjustment (0.25 mA/LED) • High-efficiency boost DC-DC converter • I2C-compatible interface • Possibility for external PWM dimming control • Possibility for clock synchronization for RGB timing • Ambient light and temperature sensing possibility • Available in micro SMD-36 packaging (3.0 x 3.0 x 0.6 mm) Applications Ideal for use in cellular phones, PDAs, MP3 players | ||||||||||||||||||||||||||
| LP39542 Typical Application Circuit | ||||||||||||||||||||||||||
| L1 4.7 |iH | ||||||||||||||||||||||||||
| D1 | ||||||||||||||||||||||||||
| 'MAX = 400 mA VOUT = 4 to 5.3V | ||||||||||||||||||||||||||
| Main Backlight 0 to 25 mA/LED | ||||||||||||||||||||||||||
| Sub Backlight 0 to 25 mA/LED | ||||||||||||||||||||||||||
| RGB1 Up to 40 mA/LED | ||||||||||||||||||||||||||
| RGB2 Up to 40 mA/LED | ||||||||||||||||||||||||||
| FLASH Up to 400 mA | ||||||||||||||||||||||||||