AP2204集成电路（IC）的线性+开关稳压器规格书PDF中文资料

AP2204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AP2204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。

描述 Description

The AP2204 series is a positive voltage regulator IC fabricated by high voltage EPNP process.

The AP2204 has features of wide input voltage range, high accuracy, high ripple rejection, low dropout voltage, low noise, current limit and ultra-low quiescent current which make it ideal for use in various USB and portable devices.

The IC consists of a voltage reference, an error amplifier, a resistor network for setting output voltage, a current limit circuit for current protection, and a chip enable circuit.

The AP2204 has 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 5.0V fixed voltage versions and adjustable voltage version.

The AP2204 is available in space-saving SOT-23-5, SOT-89 and PSOP-8 packages.

特性 Features

 Wide Input Voltage Range: 2.6V to 24V

 Wide Output Voltage Range: 1.24V to 22V

 Excellent Ripple Rejection: 60dB@ f = 1kHz

 Low Dropout Voltage: VDROP = 100mV@ IOUT = 100μA

 Low Ground Current

 High Output Voltage Accuracy

 Compatible with Low ESR Ceramic Capacitor

 Excellent Line/Load Regulation

 Thermal Shutdown Function

 Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

 Halogen and Antimony Free. “Green” Device (Note 3)

Applications

 Battery-powered Equipment

 Laptop, Palmtops, Notebook Computers

 Portable Information Appliances