TPS7A49

IN

+18V

OUT

EN

GND

-

18V

TPS7A34

IN

OUT

EN

GND

EVM

+15V

-

15V

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TPS7A3401

SBVS163A – JUNE 2011 – REVISED MAY 2015

TPS7A3401 –20-V, –200-mA, Low-Noise Negative Voltage Regulator

1 Features

3 Description

The TPS7A3401 device is a negative, high-voltage

1

•

Input Voltage Range: –3 V to –20 V

(–20-V),

low-noise

linear

regulator

capable

of

•

Noise:

sourcing a maximum load of 200 mA.

–

80

These linear regulators include a CMOS logic-level-

•

Power-Supply Ripple Rejection:

compatible enable pin. Other features available

–

50 dB (1 kHz)

include built-in current limit and thermal shutdown

protection to safeguard the device and system during

–

≥ 27 dB (10 Hz to 1 MHz)

fault conditions.

•

Adjustable Output:

The

TPS7A3401

is

designed

using

bipolar

Approximately –1.18 V to –18 V

technology,

and

is

ideal

for

instrumentation

•

Maximum Output Current: 200 mA

applications where clean voltage rails are critical for

•

Dropout Voltage: 500 mV at 100 mA

improving system performance. This design makes it

•

Stable With Ceramic Capacitors

≥ 2.2 μF

a

cost-effective

choice

to

power

operational

amplifiers,

analog-to-digital

converters

(ADCs),

•

CMOS Logic-Level-Compatible Enable Pin

digital-to-analog converters (DACs), and other analog

•

Built-In, Fixed, Current Limit, and Thermal

circuitry.

Shutdown Protection

In addition, the TPS7A3401 linear regulator is

•

Available in High Thermal Performance MSOP-8

suitable for cost-effective, post DC-DC converter

PowerPAD™ Package

regulation. By filtering out the output voltage ripple

•

Operating Temperature Range: –40°C to 125°C

inherent to DC-DC switching conversion, increased

system performance is provided in instrumentation

2 Applications

applications.

•

Cost-Effective Supply Rails for Op Amps, DACs,

Device Information(1)

ADCs, and Other High-Precision Analog Circuitry

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Cost-Effective Post DC-DC Converter Regulation

TPS7A3401

HVSSOP (8)

3.00 mm × 3.00 mm

and Ripple Filtering

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

the end of the data sheet.

Post DC-DC Converter Regulation

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.