1 Features 3 Description

The TPS731xx family of low-dropout (LDO) linear

1• Stable With or Without Capacitors of All Types

voltage regulators uses a new topology: an NMOS

• Input Voltage Range of 1.7 V to 5.5 V pass element in a voltage-follower configuration. This

• Ultralow Dropout Voltage: 30 mV Typical (150-mA topology is stable using output capacitors with low

Load) equivalent series resistance (ESR), and even allows

• Excellent Load Transient Response—With or operation without a capacitor. The device also

Without Optional Output Capacitor provides high reverse blockage (low reverse current)

and ground pin current that is nearly constant over all

• New NMOS Topology Provides Low Reverse values of output current.

Leakage Current

The TPS731xx uses an advanced BiCMOS process

• Low Noise: 30 μVRMS Typical (10 kHz to 100 kHz) to yield high precision while delivering very low

• 0.5% Initial Accuracy dropout voltages and low ground pin current. Current

• 1% Overall Accuracy Over Line, Load, and consumption, when not enabled, is less than 1 μA

Temperature and ideal for portable applications. The extremely low

output noise (30 μVRMS with 0.1-μF CNR) is ideal for • Less Than 1-μA Maximum IQ in Shutdown Mode powering VCOs. These devices are protected by

• Thermal Shutdown and Specified Minimum and thermal shutdown and foldback current limit.

Maximum Current Limit Protection

Device Information(1)

2 Applications

• Smart Grid and Energy

• Building Automation

• Set-Top Boxes

• Medical Equipment

• Test and Measurement

• Point-of-Sale Terminals

• Wireless Infrastructure
TPS73101DBVR TPS73101DBVR TPS73101DBVR TPS73101DBVR

1特征3描述 

TPS731xx家族的低辍学率(LDO)线性

具有或不具有所有类型的电容器

电压调节器采用了一种新的拓扑结构:NMOS结构

•输入电压范围为1.7 V到5.5 V，在电压跟随器配置中通过元件。这

•超低电压:30 mV典型(150 ma拓扑稳定，输出电容低)

负载)等效串联电阻(ESR)，甚至允许

•良好的负载瞬态响应——带或不带电容器运行。该设备还

无可选输出电容，反阻高(反向电流小)

接地针电流几乎是恒定的

•新的NMOS拓扑提供低反向输出电流值。

泄漏电流

TPS731xx使用BiCMOS工艺

•低噪声:30μVRMS典型(10千赫至100千赫)产生高精度而提供非常低

•0.5%初始精度差压和低接地针电流。当前的

•1%总体精度超过线、加载和消费,未启用时,小于1μA

温度和理想的便携式应用。极低的

输出噪声(30μVRMS 0.1 -μf CNR)适合•小于1-μA智商在关闭模式下驱动配装。这些装置受到保护

•热停堆和规定的值、热停堆和折叠式电流限制。

电流限制保

设备信息(1)

2应用程序

•智能电网和能源

•建筑自动化

•机顶盒

•医疗设备

•测试和测量

•销售点终端

•无线基础设施

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