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LM4132
V
IN
Input
5V
Output
2.5V
V
REF
EN
GND
Enable
C
IN
C
OUT
*
*
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LM4132
,
LM4132-Q1
SNVS372E –AUGUST 2005–REVISED JANUARY 2016
LM4132, LM4132-Q1 SOT-23 Precision Low Dropout Voltage Reference
1 Features 3 Description
The LM4132 family of precision voltage references
1
• Qualified for Automotive Applications
performs comparable to the best laser-trimmed
• AEC-Q100 Qualified With the Following Results:
bipolar references, but in cost-effective CMOS
– Device Temperature Grae 1: –40ºC to 125ºC
technology. The key to this breakthrough is the use of
Ambient Operating Temperature Range
EEPROM registers for correction of curvature,
temperature coefficient (tempco), and accuracy on a
– Device HBM ESD Classification Level 2
CMOS bandgap architecture allowing package-level
• Output Initial Voltage Accuracy 0.05%
programming to overcome assembly shift. The shifts
• Low Temperature Coefficient 10 ppm/°C
in voltage accuracy and tempco during assembly of
die into plastic packages limit the accuracy of
• Low Supply Current, 60 µA
references trimmed with laser techniques.
• Enable Pin Allowing a 3-µA Shutdown Mode
Unlike other LDO references, the LM4132 can deliver
• 20-mA Output Current
up to 20 mA and does not require an output capacitor
• Voltage Options 1.8 V, 2.048 V, 2.5 V, 3 V,
or buffer amplifier. These advantages along with the
3.3 V, 4.096 V
SOT-23 packaging are important for space-critical
• Custom Voltage Options Available
applications.
(1.8 V to 4.096 V)
Series references provide lower power consumption
• V
IN
Range of V
REF
+ 400 mV to 5.5 V at 10 mA
than shunt references, because they do not have to
• Stable With Low ESR Ceramic Capacitors idle the maximum possible load current under no-load
conditions. This advantage, the low quiescent current
(60 µA), and the low dropout voltage (400 mV) make
2 Applications
the LM4132 ideal for battery-powered solutions.
• Instrumentation and Process Control
The LM4132 is available in five grades (A, B, C, D
• Test Equipment
and E) for greater flexibility. The best grade devices
• Data Acquisition Systems
(A) have an initial accuracy of 0.05% with a specified
• Base Stations
temperature coefficient of 10 ppm/°C or less, while
the lowest grade devices (E) have an initial accuracy
• Servo Systems
of 0.5% and a tempco of 30 ppm/°C.
• Portable, Battery Powered Equipment
• Automotive and Industrial
Device Information
(1)
• Precision Regulators
PART NUMBER PACKAGE BODY SIZE (NOM)
LM4132,
• Battery Chargers
SOT-23 (5) 2.90 mm × 1.60 mm
LM4132-Q1
• Communications
(1) For all available packages, see the orderable addendum at
• Medical Equipment
the end of the data sheet.
Simplified Schematic
*The capacitor C
IN
is required and the capacitor C
OUT
is optional.
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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