TPS715A30集成电路（IC）的线性+开关稳压器规格书PDF中文资料

TPS715A30属于集成电路（IC）的线性+开关稳压器。由德州仪器制造生产的TPS715A30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。

1 Features

1• 24-V Maximum Input Voltage

• Low 3.2-μA Quiescent Current at 80 mA

• Stable With Any Capacitor (≥ 0.47 μF)

• 80-mA Specified Current

• Available in Fixed and Adjustable (1.2 V to 15 V)

Versions

• Specified Current Limit

• 3-mm × 3-mm and 2-mm × 2-mm SON Packages

• –40°C to 125°C Specified Junction

Temperature Range

• For MSP430-Specific Output Voltages See

TPS715xx

2 Applications

• Ultralow Power Microcontrollers

• Industrial and Automotive Applications

• Video Surveillance and Security Systems

• Portable, Battery-Powered Equipment

• Medical Imaging

3 Description

The TPS715A-NM low-dropout (LDO) voltage

regulators offer the benefits of high input voltage, lowdropout

voltage, low-power operation, and

miniaturized packaging. The devices operate over an

input range of 2.5 V to 24 V and are stable with any

capacitor (≥ 0.47 μF). The high maximum input

voltage combined with excellent power dissipation

capability makes this device particularly well-suited to

industrial and automotive applications.

A PMOS pass element functions as a low-value

resistor. The low dropout voltage, typically 670 mV at

80 mA of load current, is directly proportional to the

load current. The low quiescent current (3.2 μA

typically) is nearly constant over the entire range of

output load current (0 mA to 80 mA).

The TPS715A-NM is available in a 3-mm × 3-mm

package ideal for high power dissipation and a small

2-mm × 2-mm package ideal for handheld and ultraportable

applications. The 3-mm × 3-mm package is

also available as a non-magnetic package for medical

imaging applications.