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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.
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