TPS7A4001

OUT

FB

GND

C

IN

R

1

C

BYP

C

OUT

IN

EN

V

IN

V

OUT

R

2

V

EN

V

IN

100V

2

1

3

4

7

8

6

5

FB

NC

GND

OUT

EN

NC

NC

IN

DGNPACKAGE

3mm

5mmMSOP-8PowerPAD

(TOPVIEW)

´

TPS7A4001

www.ti.com

SBVS162A

– MARCH 2011 – REVISED MARCH 2011

100V Input Voltage, 50mA, Very High Voltage

LINEAR REGULATOR

Check for Samples: TPS7A4001

1

FEATURES

DESCRIPTION

The TPS7A4001 is a very high voltage-tolerant linear

23

•

Very High Maximum Input Voltage: 100V

regulator

that

offers

the

benefits

of

a

•

Wide Input Voltage Range: 7V to 100V

thermally-enhanced package (MSOP-8), and is able

•

Accuracy:

to withstand continuous dc or transient input voltages

of up to 100V.

– Nominal: 1%

– Over Line, Load, and Temperature: 2.5%

The

TPS7A4001

is

stable

with

any

output

capacitance greater than 4.7

µF and any input

•

Low Quiescent Current: 25

µA

capacitance greater than 1

µF (over temperature and

•

Quiescent Current at Shutdown: 4.1

µA

tolerance). Therefore, implementations of this device

•

Maximum Output Current: 50mA

require

minimal

board

space

because

of

its

miniaturized packaging (MSOP-8) and a potentially

•

CMOS Logic-Level-Compatible Enable Pin

small output capacitor. In addition, the TPS7A4001

•

Adjustable Output Voltage from ~1.175V to 90V

offers an enable pin (EN) compatible with standard

•

Stable with Ceramic Capacitors:

CMOS logic to enable a low-current shutdown mode.

– Input Capacitance: ≥ 1µF

The TPS7A4001 has an internal thermal shutdown

– Output Capacitance: ≥ 4.7µF

and current limiting to protect the system during fault

conditions. The MSOP-8 packages has an operating

•

Dropout Voltage: 290mV

•

Built-In Current-Limit and Thermal Shutdown

In addition, the TPS7A4001 is ideal for generating a

Protection

low-voltage supply from intermediate voltage rails in

•

Package: High Thermal Performance MSOP-8

telecom and industrial applications; not only it can

PowerPAD

™

supply a well-regulated voltage rail, but it can also

•

Operating Temperature Range:

–40°C to

withstand and maintain regulation during very high

+125

°C

and fast voltage transients. These features translate

to

simpler

and

more

cost-effective

electrical

surge-protection

circuitry

for

a

wide

range

of

APPLICATIONS

applications, including PoE, bias supply, and LED

•

Microprocessors, Microcontrollers Powered by

lighting.

Industrial Busses with High Voltage Transients

•

Industrial Automation

Typical Application

•

Telecom Infrastrucure

•

Automotive

•

Power over Ethernet (PoE)

•

LED Lighting

•

Bias Power Supplies

Post DC/DC Converter Regulation for

High-Performace Analog Circuitry

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

PowerPAD is a trademark of Texas Instruments.

3

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright

© 2011, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.