NCP3335A中文资料Linear Voltage Regulator, LDO, Ultra High Accuracy, Low Iq, 500 mA数据手册ONSEMI规格书

描述 Description

The NCP3335A is a high performance, Low Quiescent Current Low Dropout (LDO) Linear Voltage Regulator. With accuracy of ±0.9% over line and load and ultra-low quiescent current and noise it encompasses all of the necessary features required by today's consumer electronics. This unique device is guaranteed to be stable without a minimum load current requirement and stable with any type of capacitor as small as 1.0 µF. The NCP3335A LDO Linear Voltage Regulator also comes equipped with sense and noise reduction pins to increase the overall utility of the device. The NCP3335A offers reverse bias protection.

特性 Features

• High Accuracy Over Line and Load (±0.9% at 25 °C)
• UltraLow Dropout Voltage at Full Load (260 mV typ.)
• No Minimum Output Current Required for Stability
• Low Noise (31 Vrms w/10 nF Cnr and 51 Vrms w/out Cnr)
• Low Shutdown Current (0.07 µA)
• Reverse Bias Protected
• 2.6 V to 12 V Supply Range
• Thermal Shutdown Protection
• Current Limitation
• Requires Only 1.0 µF Output capacitance for Stability
• Stable with Any Type of Capacitor (including MLCC)
• Available in 1.5V, 1.8V, 2.5 V, 2.8V, 2.85 V, 3.0V, 3.3 V, 5.0 V and Adjustable Output Voltages
• These are PbFree Devices

应用 Application

• Cellular Phones
• Camcoders and Cameras
• Networking Systems, DSL/Cable Modems
• PCMCIA Card
• Cable SetTop Box
• MP3/CD Players
• Displays and Monitors
• DSP Supply

简介

NCP3335A属于集成电路（IC）的线性+开关稳压器。由制造生产的NCP3335A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。