TPS7A8300

RF LDO

Amplifier

TPS7A33

Negative-Voltage

Regulator

TPS7A8300

www.ti.com

SBVS197C – MAY 2013 – REVISED JULY 2013

Check for Samples: TPS7A8300

1

FEATURES

DESCRIPTION

23

•

Ultralow Dropout: 125 mV Maximum at 2 A

dropout voltage regulator (LDO) capable of sourcing

•

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

•

Power-Supply Ripple Rejection:

The TPS7A8300 output voltages are fully user-

–

40 dB at 1 MHz

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

•

Input Voltage Range:

(PCB) layout without the need of external resistors or

feed-forward

capacitors,

thus

reducing

overall

–

Without BIAS: +1.4 V to +6.5 V

component

count.

For

higher

output

voltage

–

With BIAS: +1.1 V to +6.5 V

applications, the device achieves output voltages up

•

Two Output Voltage Modes:

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

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

–

ANY-OUT™ Version (User-Programmable

the use of an additional BIAS rail.

Output via PCB Layout):

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

–

No External Resistor or Feed-Forward

temperature),

remote

sensing,

and

soft-start

Capacitors Required

capabilities to reduce inrush current, the TPS7A8300

–

Output Voltage Range: +0.8 V to 3.95 V

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

–

Adjustable Version:

such

as

high-end

microprocessors

and

field-

programmable gate arrays (FPGAs).

–

Output Voltage Range: +0.8 V to 5.0 V

•

1.0% Accuracy Over Line, Load, and

The TPS7A8300 is designed to power-up noise-

Temperature

sensitive components in high-speed communication

•

Stable with a 22-µF Output Ceramic Capacitor

output and high broad-bandwidth PSRR (40 dB at

•

Programmable Soft-Start and Power-Good

1 MHz) minimizes phase noise and clock jitter in

(PG) Output

high-frequency signals. These features maximize

•

Available Packages:

performance of clocking devices, analog-to-digital

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

–

5-mm × 5-mm QFN-20

(DACs).

–

For applications where positive and negative low-

(1)

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

noise rails are required, consider TI's TPS7A33 family

of

negative

high-voltage,

ultralow-noise

linear

APPLICATIONS

regulators.

•

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

•

Wireless Infrastructure: SerDes, FPGA, DSP™

•

Test and Measurement

•

Instrumentation, Medical, and Audio

1

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.

2

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

3

All other trademarks are the property of their respective owners.

UNLESS

OTHERWISE

NOTED

this

document

contains

Copyright © 2013, Texas Instruments Incorporated

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.