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TPS73733QDRBRQ1 Datasheet(PDF) 1 Page - Texas Instruments

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Part # TPS73733QDRBRQ1
Description  1-A LOW-DROPOUT REGULATOR WITH REVERSE CURRENT PROTECTION
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS73733QDRBRQ1 Datasheet(HTML) 1 Page - Texas Instruments

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1
FEATURES
APPLICATIONS
DESCRIPTION/ORDERING INFORMATION
Typical Application Circuit
TPS737xx
GND
EN
FB
IN
OUT
V
IN
V
OUT
Optional
1.0 µF
OFF
ON
IN
NC
NC
EN
8
7
6
5
OUT
NC
NR/FB
GND
1
2
3
4
DRB PACKAGE
(TOP VIEW)
NC – No internal connection
TPS73719-Q1
TPS73733-Q1
www.ti.com ........................................................................................................................................................................................... SBVS123 – DECEMBER 2008
1-A LOW-DROPOUT REGULATOR
WITH REVERSE CURRENT PROTECTION
2
• Qualified for Automotive Applications
• Thermal Shutdown and Current Limit for Fault
Protection
• Stable with 1.0-µF or Larger Ceramic Output
Capacitor
• Available in Multiple Output Voltage Versions
• Input Voltage Range: 2.2 V to 5.5 V
Adjustable Output: 1.20 V to 5.5 V
• Ultra-Low Dropout Voltage: 130 mV typ at 1 A
Custom Outputs Available Using Factory
Package-Level Programming
• Excellent Load Transient Response, Even With
Only 1.0-
µF Output Capacitor
• NMOS Topology Delivers Low Reverse
• Point of Load Regulation for DSPs, FPGAs,
Leakage Current
ASICs, and Microprocessors
• 1.0% Initial Accuracy
• Post-Regulation for Switching Supplies
• 3% Overall Accuracy Over Line, Load, and
• Portable/Battery-Powered Equipment
Temperature
• Less Than 20-nA (Typ) Quiescent Current in
Shutdown Mode
The TPS737xx family of linear low-dropout (LDO) voltage regulators uses an NMOS pass element in a
voltage-follower configuration. This topology is relatively insensitive to output capacitor value and ESR, allowing
a wide variety of load configurations. Load transient response is excellent, even with a small 1.0-
µF ceramic
output capacitor. The NMOS topology also allows very low dropout.
The TPS737xx family uses an advanced BiCMOS process to yield high precision while delivering very low
dropout voltages and low ground pin current. Current consumption, when not enabled, is under 20 nA and ideal
for portable applications. These devices are protected by thermal shutdown and foldback current limit.
ORDERING INFORMATION(1)
TA
VOUT (TYP)
PACKAGE(2)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
3.3 V
TPS73733QDRBRQ1
733Q
–40°C to 125°C
1.9 V
SON – DRB
Reel of 3000
TPS73719QDRBRQ1
719Q
Adjustable
TPS73701QDRBRQ1
PREVIEW
(1)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
(2)
Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
UNLESS
OTHERWISE
NOTED
this
document
contains
Copyright © 2008, Texas Instruments Incorporated
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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