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LM4132-Q1 Datasheet Preview

LM4132-Q1 Datasheet

SOT-23 Precision Low Dropout Voltage Reference

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LM4132, LM4132-Q1
SNVS372G – AUGUST 2005 – REVISED OCTOBER 2016
LM4132, LM4132-Q1 SOT-23 Precision Low Dropout Voltage Reference
1 Features
1 Qualified for Automotive Applications
• AEC-Q100 Qualified With the Following Results:
– Device Temperature Grade 1: –40ºC to
+125ºC Ambient Operating Temperature
Range
– Device HBM ESD Classification Level 2
• Output Initial Voltage Accuracy: 0.05%
• Low Temperature Coefficient: 10 ppm/°C
• Low Supply Current: 60 µA
• Enable Pin Allowing a 3-µA Shutdown Mode
• 20-mA Output Current
• Voltage Options: 1.8 V, 2.048 V, 2.5 V, 3 V,
3.3 V, 4.096 V
• Custom Voltage Options Available
(1.8 V to 4.096 V)
• VIN Range of VREF + 400 mV to 5.5 V at 10 mA
• Stable With Low-ESR Ceramic Capacitors
2 Applications
• Instrumentation and Process Control
• Test Equipment
• Data Acquisition Systems
• Base Stations
• Servo Systems
• Portable, Battery-Powered Equipment
• Automotive and Industrial
• Precision Regulators
• Battery Chargers
• Communications
• Medical Equipment
3 Description
The LM4132 family of precision voltage references
performs comparable to the best laser-trimmed
bipolar references, but in cost-effective CMOS
technology. The key to this breakthrough is the use of
EEPROM registers for correction of curvature,
temperature coefficient (tempco), and accuracy on a
CMOS band-gap architecture allowing package-level
programming to overcome assembly shift. The shifts
in voltage accuracy and tempco during assembly of
die into plastic packages limit the accuracy of
references trimmed with laser techniques.
Unlike other LDO references, the LM4132 can deliver
up to 20 mA and does not require an output capacitor
or buffer amplifier. These advantages along with the
SOT-23 packaging are important for space-critical
applications.
Series references provide lower power consumption
than shunt references, because they do not have to
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
the LM4132 ideal for battery-powered solutions.
The LM4132 is available in five grades (A, B, C, D
and E) for greater flexibility. The best grade devices
(A) have an initial accuracy of 0.05% with a specified
temperature coefficient of 10 ppm/°C or less, while
the lowest grade devices (E) have an initial accuracy
of 0.5% and a tempco of 30 ppm/°C.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
LM4132,
LM4132-Q1
SOT-23 (5)
2.90 mm × 1.60 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Simplified Schematic
Input
5V
VIN
CIN*
VREF
LM4132
COU*T
Output
2.5V
Enable
EN
GND
*The capacitor CIN is required and the capacitor COUT 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.




etcTI

LM4132-Q1 Datasheet Preview

LM4132-Q1 Datasheet

SOT-23 Precision Low Dropout Voltage Reference

No Preview Available !

LM4132, LM4132-Q1
SNVS372G – AUGUST 2005 – REVISED OCTOBER 2016
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 3
6.1 Absolute Maximum Ratings ...................................... 3
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics LM4132-1.8
(VOUT = 1.8 V) ............................................................ 5
6.6 Electrical Characteristics LM4132-2
(VOUT = 2.048 V) ........................................................ 6
6.7 Electrical Characteristics LM4132-2.5
(VOUT = 2.5 V) ............................................................ 7
6.8 Electrical Characteristics LM4132-3 (VOUT = 3 V) .... 8
6.9 Electrical Characteristics LM4132-3.3
(VOUT = 3.3 V) ............................................................ 9
6.10 Electrical Characteristics LM4132-3.3-
Q1(VOUT = 3.3 V) ..................................................... 10
6.11 Electrical Characteristics LM4132-4.1
(VOUT = 4.096 V) ...................................................... 11
6.12 Typical Characteristics .......................................... 12
7 Detailed Description ............................................ 20
7.1 Overview ................................................................. 20
7.2 Functional Block Diagram ....................................... 20
7.3 Feature Description................................................. 20
7.4 Device Functional Modes........................................ 21
8 Applications and Implementation ...................... 22
8.1 Application Information............................................ 22
8.2 Typical Applications ................................................ 22
9 Power Supply Recommendations...................... 25
10 Layout................................................................... 26
10.1 Layout Guidelines ................................................. 26
10.2 Layout Example .................................................... 26
11 Device and Documentation Support ................. 27
11.1 Documentation Support ........................................ 27
11.2 Related Links ........................................................ 27
11.3 Receiving Notification of Documentation Updates 27
11.4 Community Resources.......................................... 27
11.5 Trademarks ........................................................... 27
11.6 Electrostatic Discharge Caution ............................ 27
11.7 Glossary ................................................................ 27
12 Mechanical, Packaging, and Orderable
Information ........................................................... 27
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision F (March 2016) to Revision G
Page
• Updated data sheet text to the latest TI documentation and translations standards ............................................................. 1
• Added LM4132-3.3-Q1 to maximum load current in Recommended Operating Conditions ................................................. 4
• Added Electrical Characteristics LM4132-3.3-Q1 table........................................................................................................ 10
Changes from Revision E (January 2016) to Revision F
Page
• Added correct Layout Example ............................................................................................................................................ 26
Changes from Revision D (March 2015) to Revision E
Page
• Added Device Information, ESD Ratings and Thermal Information tables, Feature Description section, Device
Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout
section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section. ..... 1
Changes from Revision C (April 2013) to Revision D
Page
• Added some of the latest inclusions from new TI formatting and made available of the automotive grade for the
SOT-23 package..................................................................................................................................................................... 1
Changes from Revision B (August 2005) to Revision C
Page
• Changed layout of National Data Sheet to TI format ........................................................................................................... 25
2
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Copyright © 2005–2016, Texas Instruments Incorporated
Product Folder Links: LM4132 LM4132-Q1



Part Number LM4132-Q1
Description SOT-23 Precision Low Dropout Voltage Reference
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