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LM4050-N, LM4050-N-Q1

SNOS455G – MAY 2000 – REVISED SEPTEMBER 2015

LM4050-N/-Q1 Precision Micropower Shunt Voltage Reference

1 Features

3 Description

Ideal for space-critical applications, the LM4050-N

1

•

Small Package: SOT-23

precision voltage reference is available in the sub-

•

No Output Capacitor Required

miniature (3 mm × 1.3 mm) SOT-23 surface-mount

•

Tolerates Capacitive Loads

package. The LM4050-N design eliminates the need

for an external stabilizing capacitor while ensuring

•

Fixed Reverse Breakdown Voltages of 2.048 V,

stability with any capacitive load, thus making the

2.5 V, 4.096 V, 5 V, 8.192 V, and 10 V

LM4050-N easy to use. Further reducing design effort

•

Key Specifications (LM4050-N)

is the availability of several fixed reverse breakdown

–

Output Voltage Tolerance (A Grade, 25°C)

voltages: 2.048 V, 2.5 V, 4.096 V, 5 V, 8.192 V, and

±0.1% (Maximum)

10 V. The minimum operating current increases from

60

μA for the LM4050-N-2.0 to 100 μA for the

–

Low Output Noise (10 Hz to 10 kHz) 41

μVrms

LM4050-N-10.0.

All

versions

have

a

maximum

(Typical)

operating current of 15 mA.

–

Wide Operating Current Range 60

μA to 15

The LM4050-N utilizes fuse and Zener-zap reverse

mA

breakdown voltage trim during wafer sort to ensure

–

Industrial Temperature Range

−40°C to 85°C

that the prime parts have an accuracy of better than

–

Extended Temperature Range

−40°C to 125°C

±0.1%

(A

grade)

at

25°C.

Bandgap

reference

temperature

drift

curvature

correction

and

low

–

Low Temperature Coefficient 50 ppm/°C (max)

dynamic

impedance

ensure

stable

reverse

–

LM4050-N-Q1 is AEC-Q100 Grade 1 Qualified

breakdown voltage accuracy over a wide range of

and are Manufactured on an Automotive

operating temperatures and currents.

Grade Flow

All grades and voltage options of the LM4050-N are

available in both an industrial temperature range

2 Applications

(

−40°C and 85°C) and an extended temperature

•

Portable, Battery-Powered Equipment

range (

−40°C and 125°C).

•

Data Acquisition Systems

Device Information(1)

•

Instrumentation

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Process Control

LM4050-N

•

Energy Management

SOT-23 (3)

2.92 mm × 1.30 mm

LM4050-N-Q1

•

Product Testing

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

•

Automotive

the end of the data sheet.

•

Precision Audio Components

Shunt Regulator Schematic

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.