LM2936Q Regulator Datasheet

LM2936Q Datasheet, PDF, Equivalent


Part Number

LM2936Q

Description

Ultra-Low Quiescent Current LDO Voltage Regulator

Manufacture

etcTI

Total Page 30 Pages
Datasheet
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LM2936Q
SNVS684D – NOVEMBER 2010 – REVISED MARCH 2016
LM2936Q Ultralow Quiescent Current LDO Voltage Regulator
1 Features
1 Qualified for Automotive Applications
• AEC Q100-Qualified With the Following Results
– Device Temperature Grade 1: –40°C to
+125°C Ambient Operating Temperature
Range
• Operating Input Voltage: 5.5 V to 40 V
• Ultralow Quiescent Current (IQ 15 μA for
IOUT = 100 μA)
• Fixed 3-V, 3.3-V or 5-V With 50-mA Output
• ±2% Initial Output Tolerance
• ±3% Output Tolerance Over Line, Load, and
Temperature
• Dropout Voltage Typically 200 mV at IOUT = 50 mA
• Reverse Battery Protection
• –50-V Input Transient Protection
• Internal Short Circuit Current Limit
• Internal Thermal Shutdown Protection
• 40-V Operating Voltage Limit
• Shutdown Pin Available with LM2936QBM
Package
2 Applications
Automotive
3 Description
The LM2936Q ultralow quiescent-current regulator
features low dropout voltage and low current in the
standby mode. With less than 15-μA quiescent
current at a 100-μA load, the LM2936Q is ideally
suited for automotive and other battery-operated
systems. The LM2936Q retains all of the features that
are common to low-dropout regulators including a low
dropout PNP pass device, short-circuit protection,
reverse battery protection, and thermal shutdown.
The LM2936Q has a 40-V maximum operating
voltage limit, a 40°C to +125°C operating
temperature range, and ±3% output voltage tolerance
over the entire output current, input voltage, and
temperature range. The LM2936Q is available in
8-pin SOIC and VSSOP packages, a 4-pin SOT–223
package, as well as a 3-pin TO-252 surface mount
package.
Device Information(1)
PART NUMBER PACKAGE
BODY SIZE (NOM)
SOIC (8)
4.90 mm × 3.91 mm
LM2936Q
TO-252 (3)
VSSOP (8)
6.10 mm × 6.58 mm
3.00 mm × 3.00 mm
SOT-223 (4)
6.50 mm × 3.50 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Simplified Schematic
VIN IN OUT VOUT
CIN
100 nF *
GND
COUT
10 µF **
Copyright © 2016, Texas Instruments Incorporated
* Required if regulator is located more than 2 inches from power supply filter capacitor.
** Required for stability. See Electrical Characteristics for 3-V LM2936Q for required values. Must be rated over
intended operating temperature range. Effective equivalent series resistance (ESR) is critical, see Typical
Characteristics. Locate capacitor as close to the regulator output and ground pins as possible. Capacitance may be
increased without bound.
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.

LM2936Q
LM2936Q
SNVS684D – NOVEMBER 2010 – REVISED MARCH 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......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics for 3-V LM2936Q .............. 5
6.6 Electrical Characteristics for 3.3-V LM2936Q ........... 6
6.7 Electrical Characteristics for 5-V LM2936Q .............. 7
6.8 Typical Characteristics .............................................. 8
7 Detailed Description ............................................ 12
7.1 Overview ................................................................. 12
7.2 Functional Block Diagram ....................................... 12
7.3 Feature Description................................................. 12
7.4 Device Functional Modes........................................ 13
8 Application and Implementation ........................ 14
8.1 Application Information............................................ 14
8.2 Typical Application ................................................. 14
9 Power Supply Recommendations...................... 16
10 Layout................................................................... 17
10.1 Layout Guidelines ................................................. 17
10.2 Layout Examples................................................... 17
11 Device and Documentation Support ................. 18
11.1 Documentation Support ........................................ 18
11.2 Community Resources.......................................... 18
11.3 Trademarks ........................................................... 18
11.4 Electrostatic Discharge Caution ............................ 18
11.5 Glossary ................................................................ 18
12 Mechanical, Packaging, and Orderable
Information ........................................................... 18
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision C (March 2013) to Revision D
Page
• Added Pin Configuration and Functions section, ESD Rating table, Thermal Information table with updated values,
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
• Changed θJA for SOIC from 140°C/W to 111.4°C/W; for TO-252 from 136°C/W to 50.5°C/W; for VSSOP from
200°C/W to 173.4°C/W; and for SOT-223 from149°C/W to 62.8°C/W .................................................................................. 4
• Changed θJC for SOIC from 45°C/W to 56.3°C/W (top); TO-252 from 6°C/W to 52.6°C/W (top) and 1.6°C/W
(bottom); SOT-223 from 36°C/W to 44.2°C/W (top) .............................................................................................................. 4
Changes from Revision B (May 2012) to Revision C
Page
• Changed layout of National Data Sheet to TI format ............................................................................................................. 1
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Product Folder Links: LM2936Q
Copyright © 2010–2016, Texas Instruments Incorporated


Features Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design LM2936Q SN VS684D – NOVEMBER 2010 – REVISED MA RCH 2016 LM2936Q Ultralow Quiescent Cur rent LDO Voltage Regulator 1 Features •1 Qualified for Automotive Applicati ons • AEC Q100-Qualified With the Fol lowing Results – Device Temperature G rade 1: –40°C to +125°C Ambient Ope rating Temperature Range • Operating Input Voltage: 5.5 V to 40 V • Ultral ow Quiescent Current (IQ ≤ 15 μA for IOUT = 100 μA) • Fixed 3-V, 3.3-V o r 5-V With 50-mA Output • ±2% Initia l Output Tolerance • ±3% Output Tole rance Over Line, Load, and Temperature • Dropout Voltage Typically 200 mV at IOUT = 50 mA • Reverse Battery Prote ction • –50-V Input Transient Prote ction • Internal Short Circuit Curren t Limit • Internal Thermal Shutdown P rotection • 40-V Operating Voltage Li mit • Shutdown Pin Available with LM2 936QBM Package 2 Applications Automotive 3 Description The LM2936Q ultralow quiescent-current regulator feat.
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