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LP55281

National Semiconductor
Part Number LP55281
Manufacturer National Semiconductor
Description Quad RGB Driver
Published Nov 28, 2008
Detailed Description LP55281 Quad RGB Driver June 2007 LP55281 Quad RGB Driver General Description LP55281 is a quad RGB LED driver for han...
Datasheet PDF File LP55281 PDF File

LP55281
LP55281

Overview
LP55281 Quad RGB Driver June 2007 LP55281 Quad RGB Driver General Description LP55281 is a quad RGB LED driver for handheld devices.
It can drive 4 RGB LED sets and a single fun light LED.
The boost DC-DC converter drives high current loads with high efficiency.
The RGB driver can drive individual color LEDs or RGB LEDs powered from boost output or external supply.
Built-in audio synchronization feature allows user to synchronize the fun light LED to audio inputs.
The flexible SPI/I2C www.
DataSheet4U.
com interface allows easy control of LP55281.
Small Micro SMD or Micro SMDxt package together with minimum number of external components is a best fit for handheld devices.
LP55281 has also a LED test feature, which can be used for example in production for checking the LED connections.
Features ■ ■ ■ ■ ■ ■ ■ Audio synchronization for a single fun light LED 4 PWM controlled RGB LED drivers High efficiency Boost DC-DC converter SPI/I2C compatible interface 2 addresses in I2C compatible interface LED connectivity test through the serial interface Small 36-bump Micro SMD (3 mm x 3 mm x 0.
6 mm) or 36-bump Micro SMDxt package (3 mm x 3 mm x 0.
65 mm) Applications ■ Cellular Phones ■ PDAs, MP3 players Typical Application 20201101 National Semiconductor® is a registered trademark of National Semiconductor Corporation.
© 2007 National Semiconductor Corporation 202011 www.
national.
com LP55281 Connection Diagram www.
DataSheet4U.
com 20201171 36-bump Micro SMD package, 3 * 3 * 0.
6 mm body size, 0.
5 mm pitch NS Package Number TLA36AAA 36-bump Micro SMDxt package, 3 * 3 * 0.
65 mm body size, 0.
5 mm pitch NS Package Number RLA36AAA Package Mark 20201196 36-bump Micro SMD package, 3 * 3 * 0.
6 mm body size, 0.
5 mm pitch NS Package Number TLA36AAA 20201128 36-bump Micro SMDxt package, 3 * 3 * 0.
65 mm body size, 0.
5 mm pitch NS Package Number RLA36AAA Ordering Information Order Number LP55281TL LP55281TLX LP55281RL LP55281RLX Package Marking D56B D56B D61B D61B Supplied...


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