AP2121AK-3.3TRG1集成电路（IC）的线性+开关稳压器规格书PDF中文资料

AP2121AK-3.3TRG1属于集成电路（IC）的线性+开关稳压器。由美台半导体制造生产的AP2121AK-3.3TRG1稳压器 - 线性线性稳压器用于提供稳定的输出电压，无论负载电流、输入电压或环境因素如何变化，这些输出电压通常都要保持不变。它们的工作原理要求输入电压维持在高于所需的输出电压，而且要超出某个最小量，并且在工作时会将输入端的任何多余电压转换为热量。对于大多数应用而言，虽然这种稳压器的效率低于开关模式的稳压器，但它们通常更适合对噪声高度敏感的应用。

特性 Features

· Low Dropout Voltage at IOUT=100mA: 150mV

Typical (Except 1.2V, 1.3V and 1.5V Versions)

· Low Standby Current: 0.1μA Typical

· Low Quiescent Current: 25μA Typical

· High Ripple Rejection: 70dB Typical （f=1kHz）

· Output Current: More Than 200mA (300mA

Limit)

· Extremely Low Noise: 30μVrms (10Hz to

100kHz)

· Excellent Line Regulation: 4mV Typical

· Excellent Load Regulation: 12mV Typical

· High Output Voltage Accuracy: ±2

· Excellent Line Transient Response and Load

Transient Response

· Compatible with Low ESR Ceramic Capacitor (as

Low as 1μF)

Applications

· Mobile Phones, Cordless Phones

· Wireless Communication Equipment

· Portable Games

· Cameras, Video Recorders

· Sub-board Power Supplies for Telecom Equipment

· Battery Powered Equipment