Dual Function Average Current Type LED Constant Current Driver

■ Product Features  Wide input voltage range: 8V~100V  High efficiency: up to 80%  Output current range: 100mA~3.5A  160KHz switching frequency  Built-in 6V voltage regulator  Average current working mode  Built-in frequency jitter circuit  Controller version and built-in power

二功能平均电流型 LED 恒流驱动器

PROTECTED QUAD LOW-SIDE DRIVER WITH FAULT DETECTION & SLEEP MODE

FEATURES ■ 300 mA Output Current per Channel ■ Independent Over-Current Protection &Thermal Limiting for Each Driver ■ Output Voltage to 60 V ■ Output SOA Protection ■ Fault-Detection Circuitry for Open or Shorted Load ■ Low Quiescent Current Sleep Mode ■ Integral Output Flyback/Clamp Diode

PROTECTED QUAD LOW-SIDE DRIVER WITH FAULT DETECTION & SLEEP MODE

FEATURES ■ 300 mA Output Current per Channel ■ Independent Over-Current Protection &Thermal Limiting for Each Driver ■ Output Voltage to 60 V ■ Output SOA Protection ■ Fault-Detection Circuitry for Open or Shorted Load ■ Low Quiescent Current Sleep Mode ■ Integral Output Flyback/Clamp Diode

RF Amplifier for CD Player/CD-ROM

Description The CXA2557R is an RF signal processing IC for CD players, CD-ROM and CD-RW (playback). Features • Wide-band RF AC amplifier • Supports CD-RW playback (RF DC, RF AC, FE, TE and AL amplifiers) • 5-mode RF AC equalizer (active filter type) • RF AC equalizer boost amount and cut-off

Silicon NPN Transistor Darlington, High Voltage Switch, Power Amp

Silicon NPN Transistor Darlington, High Voltage Switch, Power Amp

Dual TV sound demodulator circuits

GENERAL DESCRIPTION The circuits incorporate two FM demodulator systems to perform the demodulator functions required in a dual sound carrier TV system for demodulating the sound carriers. The difference between TDA2555 and TDA2557 is the number of stages of the limiting amplifier. • Eight