TPS799xx-Q1

GND

EN

NR

IN

OUT

V

IN

V

OUT

Optional input capacitor.

May improve source

impedance, noise, or PSRR.

Optional bypass capacitor

to reduce output noise

and increase PSRR.

2.2mF

Ceramic

V

EN

TPS79901-Q1

GND

EN

FB

IN

OUT

V

IN

V

OUT

R

1

C

FB

R

2

Optional input capacitor.

May improve source

impedance, noise, or PSRR.

V

=

OUT

´ 1.193

(R

1

2

+ R )

R

2

V

EN

2.2 F

m

Ceramic

Product

Folder

Sample &

Buy

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Software

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Community

TPS799-Q1

SBVS097F – MARCH 2008 – REVISED JUNE 2015

TPS799-Q1 200 mA, Low Quiescent Current, Ultralow Noise,

High PSRR, Low Dropout, Linear Regulators

1 Features

3 Description

The TPS799xx-Q1 family of low-dropout (LDO) low-

1

•

Qualified for Automotive Applications

power

linear

regulators

offers

excellent

AC

•

200-mA Low-Dropout (LDO) Regulator

performance with very low ground current. High

With Enable (EN)

power-supply rejection ratio (PSRR), low noise, fast

•

start-up,

and

excellent

line

and

load

transient

response are provided while consuming a very low

•

Multiple Output Voltage Versions Available:

40-

μA (typical) ground current. The TPS799xx-Q1 is

–

Fixed Outputs of 1.2 V to 4.5 V

stable with ceramic capacitors and uses an advanced

–

Adjustable Outputs from 1.2 V to 6.5 V

BiCMOS fabrication process to yield a dropout

voltage of 100 mV (typical) at 200-mA output. The

•

High PSRR: 66 dB at 1 kHz, 51 db at 10 kHz

TPS799xx-Q1 uses a precision voltage reference and

•

Ultralow Noise: 29.5

feedback loop to achieve overall accuracy of 2% over

•

Fast Start-Up Time: 45

μs

all load, line, process, and temperature variations. It

•

Stable With a Low ESR, 2-

μF (Typical) Output

offered in low profile thin SOT-23 and 2-mm × 2-mm

Capacitance

SON packages, ideal for wireless handsets and

•

Excellent Load and Line Transient Response

WLAN cards.

•

2% Overall Accuracy (Load, Line, and

Temperature)

Device Information(1)

•

Very Low Dropout: 100 mV

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Thin SOT-23 and 2-mm × 2-mm SON-6 Packages

SON (6)

2.00 mm × 2.00 mm

TPS799-Q1

SOT (5)

2.90 mm × 1.60 mm

2 Applications

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

•

Infotainment

•

Cluster

•

Advanced Driver Assistance Systems

SPACE

Typical Application Circuit

Typical Application Circuit

Fixed Voltage Versions

Adjustable Voltage Version

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.