National Semiconductor LP5 Hoja de datos

No.	parte #	Fabricante	Descripción
1	LP5990	National Semiconductor	Micropower 200mA CMOS Low Dropout Voltage Regulator ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Operation from 2.2V to 5.5V input ±1% accuracy over temp range Output voltage from 0.8V to 3.6V in 50mV increments 30 μA Quiescent current (enabled) 10nA Quiescent current (disabled) 160mV dropout at 200mA load 60 μVRMSOutpu
2	LP5527	National Semiconductor	lighting management n High current boost DC-DC converter (up to 1A output current) n Programmable boost output voltage n 400 mA flash LED constant current driver with low tolerance and a safety circuit n Synchronization pin for the flash timing n Two single-ended audio
3	LP5951	National Semiconductor	150mA Low-Dropout CMOS Voltage Regulator internal protection against shortcircuit currents and over-temperature conditions. Performance is specified for a -40˚C to 125˚C temperature range. The device is currently available in SOT23-5 package and will be available in SC70-5 package soon. The
4	LP5996	National Semiconductor	dual low dropout regulator n 2 LDO Outputs with Independent Enable n 1.5% Accuracy at Room Temperature, 3% over Temperature n Thermal Shutdown Protection n Stable with Ceramic Capacitors Applications n Cellular Handsets n PDA’s n Wireless Network Adaptors Typical Application
5	LP5952	National Semiconductor	Dual Rail Linear Regulator combined with very low quiescent currents. In shutdown mode (Enable pin pulled low) the device turns off and reduces battery consumption to 0.1µA (typ.). The LP5952 also features internal protection against overtemperature, over-current and under-vol
6	LP5522	National Semiconductor	Programmable LED Driver ■ Programmable blinking sequence — — — — 1 to 3 programmable pulses 1 ms to 255 ms LED on time 10 ms to 2500 ms LED off time Single or continuous run of programmed blinking sequence Constant current high side output driver Adjustable current with ext
7	LP5550	National Semiconductor	PowerWise Technology Compliant Energy Management n Supports high-efficiency PowerWise Technology Adaptive Voltage Scaling n PWI open standard interface for system power management n Digitally controlled intelligent voltage scaling n 1 MHz PWM switching frequency n Auto or PWI controlled PFM mode tr
8	LP5520	National Semiconductor	RGB Backlight LED Driver ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Temperature compensated LED intensity and color Individual calibration coefficients for each color Color accuracy ΔX and ΔY ≤ 0.003 12 bit ADC for measurement of 2 sensors Adjustable current outputs for R, G and B LED 0.
9	LP5521	National Semiconductor	Programmable Three Channel LED Driver ■ Adaptive charge pump with 1x and 1.5x gain provides up to 95% LED drive efficiency ■ Charge pump with soft start and overcurrent/short circuit ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ protection Low input ripple and EMI Very small solution size, no inductor or
10	LP5551	National Semiconductor	Compliant Energy Management Unit ■ 2 300 mA buck regulators operate 180 degrees out of phase for reduced EMI ■ 1 MHz PWM switching frequency ■ 4 programmable LDOs ideal for I/O (two of these), PLL, and memory retention supply generation. Adaptive Voltage Scaling ■ Supports high-ef
11	LP5553	National Semiconductor Corporation	PowerWise AVS Energy Management ■ SPMI bus for system-level power management ■ High-efficiency PowerWise® Technology Adaptive ■ ■ Voltage Scaling for intelligent energy management in AVS and DVS environments Two digitally programmable 3.6 MHz buck regulators to power dual voltage d
12	LP5524	National Semiconductor	Parallel LED Driver ■ High side LED driver ■ Drives 4 LEDs with Up to 25mA per LED ■ Ultra-Small Solution Size: ■ ■ ■ ■ — No External Components — Micro SMD-9 Package with 0.4 mm pitch: 1.215mm x 1.215mm x 0.6mm (LxWxH) 0.4% Typical Current Matching PWM Brightness Con
13	LP5526	National Semiconductor	Lighting Management n High efficiency boost converter with programmable output voltage up to 20V n 2 individual drivers for serial display backlight LEDs n Automatic dimming controller n Stand alone RGB controller n Dedicated flash function n Safety function to avoid pr
14	LP5552	National Semiconductor	PWI 2.0 and PowerWise Technology Compliant Energy Management n Two 800 mA buck regulators operate 180 degrees out of phase for reduced EMI n 3.6 MHz PWM switching frequency n Five programmable LDOs ideal for I/O , PLL, and memory retention supply generation. n Supports high-efficiency PowerWise Technology Adap
15	LP5900	National Semiconductor	Ultra Low Noise 100 mA Linear Regulator Package 1.057 mm x 1.083 mm e DataShe Typical Application Circuit 20144101 DataSheet4U.com © 2005 National Semiconductor Corporation DS201441 www.national.com www.DataSheet4U.com LP5900 Connection Diagrams 4-Bump Thin micro SMD Package, Large
16	LP55281	National Semiconductor	Quad RGB Driver ■ ■ ■ ■ ■ ■ ■ 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 interf