NCV51460中文资料LDO 稳压器，20 mA，低噪声数据手册ONSEMI规格书

描述 Description

The NCV51460 is a high performance, low power precision voltage reference. It can supply output current up to 20 mA at a 3.3 V fixed output voltage. Excellent line and load regulation characteristics, very good PSRR, low Output Noise and low Quiescent Current makes the NCV51460 ideal for precision regulator applications. The device is designed to be stable without an output capacitor. This feature makes the device ideal for space constrained applications. An optional output capacitor may be added to improve the load transient response. Protective features include Short Circuit and Reverse Input Voltage Protection. In the case of reverse input voltage connection the reference will not conduct any current protecting the device from damage. The NCP51460 is packaged in a 3-lead surface mount SOT-23 package.

特性 Features

• Operating Input Voltage VIN 4.2 V to 28 V
• Wide Input Voltage range allows operation from a variety of different voltage sources
• Output Current Capability of 0 to 20 mA
• Can be used in Precision Voltage Regulator applications
• Output Voltage Temperature Coefficient of 34 ppm/C
• Provides a stable output voltage accross all the temperature range
• Output Voltage Accuracy 1 %, for -40 °CTA125 °C
• Extremely good output voltage accuracy over operating temperature range
• High PSRR of 68 dB at 1 kHz
• Provides a clean voltage rail from noisy or power supplies
• Stable Without Output Capacitor
• Suitable for space constrained applications or where a fast output rise time is required
• Low Quiescent Current of 140 µA
• Good choice for battery operated equipment
• Low Output Noise of 18 µVRMS
• Suitable for audio or other noise sensitive applications
• Output Voltage Option: 3.3V
• Provides a commonly used low voltage rail

应用 Application

• A/D and D/A Converters
• Precision Regulator Systems
• Medical Equipment
• Standby Power Supplies
• Battery Powered Systems

简介

NCV51460属于集成电路（IC）的线性+开关稳压器。由制造生产的NCV51460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。