60V/600mA, 1.25MHz/550kHz 异步降压转换器

HT7463C/D 是一款电流模式的降压型转换器，它具有很宽的输入电压范围4.5V~60V。HT7463C/D 适用于各种应用，调节不稳定的电源至固定的稳定输出。内建低阻值0.9Ω 的切换开关，使得该IC 拥有85% 的良好工作效率，加上有效地降低芯片表面温度的优点。HT7463C/HT7463D的工作频率分别固定在1250/550kHz，HT7463C 允许使用较小的外部元件，同时仍能够具有较低的输出电压纹波。软启动功能通过使能引脚实现，通过连接一个外部RC 电路允许用户为特定的应用自定义软启动时间。 • 输入电压范围宽：4.5V~60V\n• 60V/0.9Ω 内部功率 MOSFET\n• 600mA输出峰值电流\n• 高达90% 的效率\n• 1.25MHz(HT7463C)和550kHz(HT7463D) 固定工作频率\n• 超低关机电流 < 1μA\n• 输出短路保护\n• 热关机保护\n• 封装类型：6-pin SOT23;

Power MOSFET(Vdss=30V, Rds(on)max=0.008ohm, Id=14A)

SMPS MOSFET Benefits • Ultra-Low RDS(on) at 4.5V VGS • Low Charge and Low Gate Impedance to Reduce Switching Losses • Fully Characterized Avalanche Voltage and Current Applications • High Frequency DC-DC Converters with Synchronous Rectification

Infrared Remote Control Transmitter IC

DESCRIPTION The LC7463M is a 32-key infrared remote control transmitter IC that incorporates all key-scanning, oscillator and timing functions on-chip, resulting in a very low external component count.

Infrared Remote Control Transmitter IC

DESCRIPTION The LC7463M is a 32-key infrared remote control transmitter IC that incorporates all key-scanning, oscillator and timing functions on-chip, resulting in a very low external component count.

LOW VOLTAGE TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR

DESCRIPTION The TDA7463AD is a volume tone (bass and treble) processor for quality audio applications in Low voltage supply portable systems. FEATURES ■ 2 STEREO INPUT ■ 1 STEREO OUTPUT ■ TREBLE BOOST ■ BASS CONTROL ■ BASS AUTOMATIC LEVEL CONTROL ■ VOLUME CONTROL IN 1dB STEPS ■ MUTE ■ ST

LOW VOLTAGE TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR

DESCRIPTION The TDA7463 is a volume tone (bass and treble) processor for quality audio applications in Low voltage supply portable systems. FEATURES ■ 1 STEREO INPUT ■ 1 STEREO OUTPUT ■ TREBLE BOOST ■ BASS CONTROL ■ BASS AUTOMATIC LEVEL CONTROL ■ VOLUME CONTROL IN 1dB STE