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TPS731125MDBVREP
Enhanced Product Cap-Free, Nmos, 150 Ma Low Dropout Regulator With Reverse Current Protect 5-SOT-23
1FEATURES
APPLICATIONS
DESCRIPTION/ORDERING INFORMATION
TPS73101-EP,,
TPS73115-EP
TPS731125-EP, TPS73118-EP, TPS73125-EP, TPS73130-EP
TPS73132-EP, TPS73133-EP, TPS73150-EPSGLS347A–JUNE 2006–REVISED SEPTEMBER 2007
www.ti.com
CAP-FREE NMOS 150 mA LOW DROPOUT REGULATOR
WITH REVERSE CURRENT PROTECTION Controlled Baseline •
Low Noise:30 μVRMS Typ (10 kHzto 100 kHz) One Assembly •
0.5% Initial Accuracy Test Site •
1% Overall Accuracy Over Line, Load, and
Temperature– One Fabrication Site Less Than1 μA MaximumIQin Shutdown•
Extended Temperature Performanceof Mode–55°Cto 125°C Thermal Shutdown and Specified Min/Max•
Enhanced Diminishing Manufacturing Sources
Current Limit Protection(DMS) Support Availablein Multiple Output Voltage Versions•
Enhanced Product-Change Notification Fixed Outputsof 1.2Vto5V•
Qualification Pedigree(1)
Adjustable Outputs from 1.2Vto 5.5V•
Stable With No Output Capacitoror Any Value Typeof Capacitor – Custom Outputs Available Input Voltage Rangeof 1.7Vto 5.5V Ultralow Dropout Voltage:30 mV Typical •
Portable/Battery-Powered Equipment•
Excellent Load Transient Response—Withor •
Post-Regulation for Switching SuppliesWithout Optional Output Capacitor •
Noise-Sensitive Circuitry such as VCOs•
New NMOS Topology Provides Low Reverse •
Pointof Load Regulation for DSPs, FPGAs,Leakage Current ASICs, and Microprocessors(1) Component qualificationin accordance with JEDEC and
industry standardsto ensure reliable operation overan
extended temperature range. This includes,butisnot limited
to, Highly Accelerated Stress Test (HAST)or biased 85/85,
temperature cycle, autoclaveor unbiased HAST,
electromigration, bond intermetallic life, and mold compound
life. Such qualification testing shouldnotbe viewedas
justifying useof this component beyond specified
performance and environmental limits.
The TPS731xx familyof low-dropout (LDO) linear voltage regulators usesa new topology: an NMOS pass
elementina voltage-follower configuration. This topologyis stable using output capacitors with low ESR and
even allows operation withouta capacitor.It also provides high reverse blockage (low reverse current) and
ground pin current thatis nearly constant overall valuesof output current.
The TPS731xx usesan advanced BiCMOS processto yield high precision while delivering low dropout voltages
and low ground pin current. Current consumption, when not enabled,is under1 μA and ideal for portable
applications. The low output noise (30 μVRMS with 0.1 μF CNR)is ideal for powering VCOs. These devices are
protectedby thermal shutdown and foldback current limit.
