TPS7A8300

更新时间： 2024-11-23 12:31:59

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
33页	1699K
描述
2-A, 6-VRMS, RF, LDO Voltage Regulator

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TPS7A8300 数据手册

TPS7A8300

www.ti.com

SBVS197C –MAY 2013–REVISED JULY 2013

2-A, 6-µV , RF, LDO Voltage Regulator

RMS

Check for Samples: TPS7A8300

FEATURES

DESCRIPTION

The TPS7A8300 is a low-noise (6 µV_RMS), low-

dropout voltage regulator (LDO) capable of sourcing

a 2-A load with only 125 mV of maximum dropout.

•

Ultralow Dropout: 125 mV Maximum at 2 A

Output Voltage Noise: 6 µV_RMS

•

Power-Supply Ripple Rejection:

The TPS7A8300 output voltages are fully user-

adjustable (up to 3.95 V) using a printed circuit board

(PCB) layout without the need of external resistors or

feed-forward capacitors, thus reducing overall

component count. For higher output voltage

applications, the device achieves output voltages up

to 5 V with the use of external resistors. The device

supports very low input voltages (down to 1.1 V) with

the use of an additional BIAS rail.

–

40 dB at 1 MHz

Input Voltage Range:

–

Without BIAS: +1.4 V to +6.5 V

With BIAS: +1.1 V to +6.5 V

•

Two Output Voltage Modes:

–

ANY-OUT™ Version (User-Programmable

Output via PCB Layout):

With very high accuracy (1% over line, load, and

temperature), remote sensing, and soft-start

capabilities to reduce inrush current, the TPS7A8300

is ideal for powering high-current, low-voltage devices

such as high-end microprocessors and field-

programmable gate arrays (FPGAs).

–

No External Resistor or Feed-Forward

Capacitors Required

–

Output Voltage Range: +0.8 V to 3.95 V

–

Adjustable Version:

Output Voltage Range: +0.8 V to 5.0 V

–

•

1.0% Accuracy Over Line, Load, and

Temperature

The TPS7A8300 is designed to power-up noise-

sensitive components in high-speed communication

applications. The very low-noise, 6-µV_RMSdevice

output and high broad-bandwidth PSRR (40 dB at

1 MHz) minimizes phase noise and clock jitter in

high-frequency signals. These features maximize

performance of clocking devices, analog-to-digital

converters (ADCs), and digital-to-analog converters

(DACs).

•

Stable with a 22-µF Output Ceramic Capacitor

Programmable Soft-Start and Power-Good

(PG) Output

•

Available Packages:

–

5-mm × 5-mm QFN-20

3,5-mm × 3,5-mm QFN-20 ⁽¹⁾

For applications where positive and negative low-

noise rails are required, consider TI's TPS7A33 family

of negative high-voltage, ultralow-noise linear

regulators.

(1)

3,5-mm × 3,5-mm QFN-20 package is product-preview.

APPLICATIONS

•

RF, IF Components: VCO, ADC, DAC, LVDS

Wireless Infrastructure: SerDes, FPGA, DSP™

Test and Measurement

TPS7A8300

RF LDO

Instrumentation, Medical, and Audio

Amplifier

TPS7A33

Negative-Voltage

Regulator

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

ANY-OUT, DSP, PowerPAD are trademarks of Texas Instruments.

All other trademarks are the property of their respective owners.

UNLESS OTHERWISE NOTED this document contains

PRODUCTION DATA information current as of publication date.

Products conform to specifications per the terms of Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...33

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与TPS7A8300相关器件

型号	品牌	获取价格	描述	数据表
TPS7A8300ARGRR	TI	获取价格	具有电源正常指示功能的 2A、低输入电压 (1.1V)、低噪声、高精度、超低压降稳压器 \|
TPS7A8300ARGRT	TI	获取价格	具有电源正常指示功能的 2A、低输入电压 (1.1V)、低噪声、高精度、超低压降稳压器 \|
TPS7A8300ARGWR	TI	获取价格	具有电源正常指示功能的 2A、低输入电压 (1.1V)、低噪声、高精度、超低压降稳压器 \|
TPS7A8300ARGWT	TI	获取价格	具有电源正常指示功能的 2A、低输入电压 (1.1V)、低噪声、高精度、超低压降稳压器 \|
TPS7A8300RGRR	TI	获取价格	2-A, 6-VRMS, RF, LDO Voltage Regulator
TPS7A8300RGRT	TI	获取价格	2-A, 6-VRMS, RF, LDO Voltage Regulator
TPS7A8300RGWR	TI	获取价格	2-A, 6-VRMS, RF, LDO Voltage Regulator
TPS7A8300RGWT	TI	获取价格	2-A, 6-VRMS, RF, LDO Voltage Regulator
TPS7A8301ARGRR	TI	获取价格	TPS7A83A 2-A, High-Accuracy (0.75%), Low-Nois
TPS7A8301ARGWR	TI	获取价格	具有电源正常指示功能的 2A、低输入电压 (1.1V)、低噪声、高精度、超低压降稳压器 \|

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