80

70

60

50

40

30

20

10

0

10

100k

10M

Frequency (Hz)

1k

10k

100

1M

C

= 1 F

C

= 10 nF

m

OUT

NR

150 mA

10 mA

75 mA

Power-Supply Rejection Ratio (V

V

= 1 V)

IN

OUT

-

TPS717xx

GND

EN

NR

IN

OUT

V

IN

V

OUT

1 F

m

0.01 F

m

Ceramic

(Optional)

1 F

m

Ceramic

V

EN

Product

Folder

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TPS717

SBVS068H – FEBRUARY 2006 – REVISED JANUARY 2015

TPS717xx Low-Noise, High-Bandwidth PSRR,

Low-Dropout, 150-mA Linear Regulator

1 Features

3 Description

The TPS717xx family of low-dropout (LDO), low-

1

•

Input Voltage: +2.5 V to +6.5 V

power linear regulators offers very high power-supply

•

Available in Multiple Output Versions:

rejection (PSRR) while maintaining very low 45-

μA

–

Fixed Output with Voltages from 0.9 V to 5 V

ground

current

in

an

ultra-small,

five-pin

SOT

package. The family uses an advanced BiCMOS

–

Adjustable Output Voltage from 0.9 V to 6.2 V

process and a PMOSFET pass device to achieve fast

•

Ultra-High PSRR:

start-up, very low noise, excellent transient response,

–

70 dB at 1 kHz, 67 dB at 100 kHz, and 45 dB

and excellent PSRR performance. The TPS717xx is

at 1 MHz

stable with a 1-

μF ceramic output capacitor and uses

a precision voltage reference and feedback loop to

•

Excellent Load and Line Transient Response

achieve a worst-case accuracy of 3% over all load,

•

Very Low Dropout: 170 mV typical at 150 mA

line, process, and temperature variations. The device

•

Low Noise: 30

is offered in a small SOT (SC70-5) package, a

•

Small 5-pin SC-70, 2-mm × 2-mm WSON-6, and

2-mm × 2-mm WSON-6 package with a thermal pad,

1.5-mm × 1.5-mm WSON-6 Packages

and a 1.5-mm × 1.5-mm WSON-6 package, which

are ideal for small form factor portable equipment

2 Applications

(such as wireless handsets and PDAs).

•

Camera Sensor Power

Device Information(1)

•

Mobile Phone Handsets

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

PDAs and Smartphones

SC70 (5)

2.00 mm × 1.25 mm

•

TPS717xx

WSON (6)

2.00 mm × 2.00 mm

WSON (6)

1.50 mm × 1.50 mm

(1) For all available package and voltage options, see the

orderable addendum at the end of the datasheet.

Typical Application Circuit for Fixed-Voltage

PSRR vs Frequency

Versions

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.