Ultralow-Quiescent-Current LDO. TPS7B6933 Datasheet

TPS7B6933 LDO. Datasheet pdf. Equivalent

Part TPS7B6933
Description 40-V Ultralow-Quiescent-Current LDO
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Total Page 22 Pages
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TPS7B6933
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
TPS7B6933, TPS7B6950
SLVSDI2 – APRIL 2016
TPS7B69xx 150-mA, 40-V Ultralow-Quiescent-Current LDO
1 Features
1 4-V to 40-V Wide VI Input Voltage Range With up
to 45-V Transient
• Maximum Output Current: 150 mA
• Low Quiescent Current (IQ):
– 15 µA Typical at Light Loads
– 25 µA Maximum Under Full Temperature
• 450-mV Typical Low Dropout Voltage at 100 mA
Load Current
• 10-mV Line Regulation Maximum
• 20-mV Load Regulation Maximum
• Stable With Low-ESR Ceramic Output Capacitor
(2.2 µF to 100 µF)
• Fixed 3.3-V and 5-V Output Voltage Options
• Integrated Fault Protection:
– Thermal Shutdown
– Short-Circuit Protection
• Packages:
– 5-Pin SOT-23 Package
– 4-Pin SOT-223 Package
2 Applications
• E-meters, Water Meters and Gas Meters
• Appliances and White Goods
• Fire Alarm, Smoke Detector
• Medical, Health, and Fitness Applications
3 Description
The TPS7B69xx device is a low-dropout linear
regulator that operates at up to 40-V VI. With only
15-µA (typical) quiescent current at light load, the
device is applicable for standby microcontrol-unit
systems, especially for always-on applications like e-
meters, fire alarms, and smoke detectors.
The devices have integrated short-circuit and
overcurrent protection. The TPS7B69xx device
operates over a –40°C to 105°C temperature range.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS7B6933
TPS7B6950
SOT-223 (4)
SOT-23 (5)
6.50 mm × 3.50 mm
2.90 mm × 1.60 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Typical Application Schematic
IN
Vbat
VI
TPS7B69xx
OUT
VO
Vreg
10 µF
GND
4.7 µF
Copyright © 2016, Texas Instruments Incorporated
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.



TPS7B6933
TPS7B6933, TPS7B6950
SLVSDI2 – APRIL 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........................................... 5
6.6 Typical Characteristics .............................................. 5
7 Detailed Description .............................................. 9
7.1 Overview ................................................................... 9
7.2 Functional Block Diagram ......................................... 9
7.3 Feature Description................................................... 9
7.4 Device Functional Modes........................................ 10
8 Application and Implementation ........................ 11
8.1 Application Information............................................ 11
8.2 Typical Application .................................................. 11
9 Power Supply Recommendations...................... 13
10 Layout................................................................... 13
10.1 Layout Guidelines ................................................. 13
10.2 Layout Example .................................................... 13
11 Device and Documentation Support ................. 14
11.1 Documentation Support ........................................ 14
11.2 Related Links ........................................................ 14
11.3 Trademarks ........................................................... 14
11.4 Electrostatic Discharge Caution ............................ 14
11.5 Glossary ................................................................ 14
12 Mechanical, Packaging, and Orderable
Information ........................................................... 14
4 Revision History
DATE
April 2016
REVISION
*
NOTE
Initial release
2 Submit Documentation Feedback
Copyright © 2016, Texas Instruments Incorporated
Product Folder Links: TPS7B6933 TPS7B6950





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