1 Features 3 Description

1 The TPS723xx family of low-dropout (LDO) negative • Ultralow Noise: 60 μVRMS Typical

voltage regulators offers an ideal combination of

• High PSRR: 65 dB Typical at 1 kHz features to support low noise applications. These

• Low Dropout Voltage: 280 mV Typical at 200 mA, devices are capable of operating with input voltages

2.5 V from –10 V to –2.7 V, and support outputs from –10 V

to –1.2 V. These regulators are stable with small, low- • Available in –2.5-V and Adjustable (–1.2 V to

cost ceramic capacitors, and include enable (EN) and –10 V) Versions

noise reduction (NR) functions. Thermal short-circuit

• Stable With a 2.2-μF Ceramic Output Capacitor and over-current protections are provided by internal

• Less Than 2-μA Typical Quiescent Current in detection and shutdown logic. High PSRR (65 dB at

Shutdown Mode 1 kHz) and low noise (60 μVRMS) make the TPS723xx

ideal for low-noise applications. • 2% Overall Accuracy

(Line, Load, Temperature) The TPS723xx uses a precision voltage reference to

• Thermal and Over-Current Protection achieve 2% overall accuracy over load, line, and

temperature variations. Available in a small SOT23-5 • SOT23-5 (DBV) Package package, the TPS723xx family is fully specified over

2 Applications 

• Optical Drives SOT 

• Optical Networking 

• Noise Sensitive Circuitry

• GaAs FET Gate Bias package is thinner.

• Video Amplifiers

TPS72301DBVRTPS72301DBVRTPS72301DBVRTPS72301DBVR

1特征3描述

1 TPS723xx家族的低压差(LDO)-•超低噪音:60μVRMS典型

电压调节器提供了一个理想的组合

高PSRR: 65分贝典型在1千赫功能，以支持低噪音应用。这些

•低电压:200毫安时的典型电压值为280 mV，可在输入电压下工作

2.5 V -10 V -2.7 V，支持输出-10 V

到-1.2 V。这些调节器是稳定的，小，低•可在- 2.5 V和可调(- 1.2 V到

成本陶瓷电容器，并包括使能(EN)和- 10v版本

降噪(NR)功能。热短路

•稳定2.2 -μf陶瓷内部提供的输出电容和过电流保护

•不到2-μA典型的静态电流检测和关闭逻辑。高PSRR (65 dB at)

关机模式1 kHz)和低噪声(60μVRMS)TPS723xx

理想的低噪音应用。•总准确率2%

(线路，负载，温度)TPS723xx使用一个的电压参考

•热过流保护在负载、线路和设备上的总精度达到2%

温度变化。在一个小的SOT23-5•SOT23-5 (DBV)包中，TPS723xx系列已完全指定

2应用程序

•光驱技术

•光学网络

•噪声敏感电路

•GaAs FET栅偏压封装更薄。

•视频放大器

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