INPUT

GND

2

3

1

OUTPUT

TLV1117LVxxDCY

TLV1117LV Series

www.ti.com

SBVS160A

– MAY 2011 – REVISED SEPTEMBER 2011

1-A, Positive Fixed Voltage, Low-Dropout Regulator

1

FEATURES

DESCRIPTION

The TLV1117LV series of low-dropout (LDO) linear

2

•

1.5% Typical Accuracy

regulators is a low input voltage version of the

•

popular 1117 voltage regulator.

– 500 times lower than standard 1117 devices

The TLV1117LV is an extremely low-power device

•

that consumes 500 times lower quiescent current

than traditional 1117 voltage regulators, making it

suitable for applications that mandate very low

•

Stable with 0-mA Output Current

standby current. The TLV1117LV family of LDOs is

•

also stable with 0 mA of load current; there is no

•

High PSRR: 65 dB at 1 kHz

minimum load requirement, making it an ideal choice

for applications where the regulator is required to

•

Minimum Ensured Current Limit: 1.1 A

power very small loads during standby in addition to

•

Stable with Cost-Effective Ceramic Capacitors:

large currents on the order of 1 A during normal

– With 0-Ω ESR

operation. The TLV1117LV offers excellent line and

load transient performance, resulting in very small

•

Temperature Range:

–40°C to +125°C

magnitude undershoots and overshoots of output

•

Thermal Shutdown and Ovecurrent Protection

voltage when the load current requirement changes

•

Available in SOT223 Package

from less than 1 mA to more than 500 mA.

– See Package Option Addendum at end of

A precision bandgap and error amplifier provides

this document for complete list of available

1.5% accuracy. A very high power-supply rejection

voltage options

ratio enables usage of the device for post-regulation

after a switching regulator. Other valuable features

APPLICATIONS

include low output noise and low-dropout voltage.

•

Set Top Boxes

The device is internally compensated to be stable

with

0-

Ω

equivalent

series

resistance

(ESR)

•

TVs and Monitors

capacitors. These key advantages enable the use of

•

PC Peripherals, Notebooks, Motherboards

cost-effective,

small-size

ceramic

capacitors.

•

Modems and Other Communication Products

Cost-effective

capacitors

that

have

higher

bias

voltages and temperature derating can also be used

•

Switching Power Supply Post-Regulation

if desired.

The TLV1117LV series is available in a SOT223

package.

Figure 1.

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

All trademarks are the property of their respective owners.

UNLESS

OTHERWISE

NOTED

this

document

contains

Copyright

© 2011, 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.