TPS79328QDBVRQ1集成电路（IC）的线性+开关稳压器规格书PDF中文资料

TPS79328QDBVRQ1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TPS79328QDBVRQ1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• Qualified For Automotive Applications

• AEC-Q100 Qualified With the Following Results:

– Device Temperature Grade 1: –40°C to

+125°C

– Device HBM ESD Classification Level 1C

– Device CDM ESD Classification Level C2

• 200-mA Low-Dropout Regulator With EN

• Available in 1.8-V, 2.5-V, 2.8-V, 3-V, 3.3-V, 4.75-

V, and Adjustable Options

• High PSRR (70 dB at 10 kHz)

• Ultralow Noise (32 μV)

• Fast Start-Up Time (50 μs)

• Stable With a 2.2-μF Ceramic Capacitor

• Excellent Load and Line Transient

• Very Low Dropout Voltage

(112 mV at Full Load, TPS79330-Q1)

• 5-Pin SOT-23 (DBV) Package

2 Applications

• VCOs

• RF

• Bluetooth™

3 Description

The TPS793xx-Q1 family of low-dropout (LDO) lowpower

linear voltage regulators features high powersupply

rejection ratio (PSRR), ultralow noise, fast

start-up, and excellent line and load transient

responses in a small-outline SOT-23 package. Each

TPS793-Q1 device in the family is stable, with a small

2.2-μF ceramic capacitor on the output. The

TPS793xx-Q1 family uses an advanced, proprietary,

BiCMOS fabrication process to yield extremely low

dropout voltages (for example, 112 mV at 200 mA,

TPS79330-Q1). Each device achieves fast start-up

times (approximately 50 μs with a 0.001-μF bypass

capacitor), while consuming very low quiescent

current (170 μA typical). Moreover, when the device

is placed in standby mode, the supply current is

reduced to less than 1 μA. The TPS79328-Q1

exhibits approximately 32 μVRMS of output voltage

noise with a 0.1-μF bypass capacitor. Applications

with analog components that are noise sensitive,

such as portable RF electronics, benefit from the high

PSRR and low-noise features, as well as the fast

response time.