TPS71501-EP
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www.ti.com ......................................................................................................................................................................................... SGLS396–SEPTEMBER 2008
50-mA, 24-V, 3.2-µA SUPPLY CURRENT, LOW-DROPOUT LINEAR REGULATOR
1
FEATURES
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•
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Minimum/Maximum Specified Current Limit
5-Pin SC70/SOT-323 (DCK) Package
2
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Controlled Baseline
–
–
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One Assembly Site
One Test Site
For 80-mA Rated Current and Higher Power
Package, See TPS715Axx
One Fabrication Site
APPLICATIONS
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Extended Temperature Performance of
–55°C to 125°C
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•
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Ultra-Low Power Microcontrollers
Cellular/Cordless Handsets
Portable/Battery-Powered Equipment
Enhanced Diminishing Manufacturing Sources
(DMS) Support
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•
•
•
•
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Enhanced Product-Change Notification
Qualification Pedigree(1)
DESCRIPTION
The TPS71501 low-dropout (LDO) voltage regulators
offer the benefits of high input voltage, low dropout
voltage, low-power operation, and miniaturized
packaging. The device, which operates over an input
range of 2.5 V to 24 V, is stable with any capacitor
(≥0.47 µF). The low dropout voltage and low
quiescent current allow operation at extremely low
power levels. Therefore, the devices are ideal for
powering battery-management ICs. Specifically,
because the devices are enabled as soon as the
applied voltage reaches the minimum input voltage,
the output is quickly available to power continuously
operating battery-charging ICs.
24-V Maximum Input Voltage
Low 3.2-µA Quiescent Current at 50 mA
Stable With Any Capacitor (≥ 0.47 µF)
50-mA Low-Dropout Regulator
Adjustable Output Voltage (1.2 V to 15 V)
Designed to Support MSP430 Families:
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1.9-V Version Ensured to be Higher
Than Minimum VIN of 1.8 V
2.3-V Version Ensured to Meet 2.2-V
Minimum VIN for Flash on MSP430F2xx
3.45-V Version Ensured to be Lower
Than Maximum VIN of 3.6 V
The usual PNP pass transistor has been replaced by
a PMOS pass element. Because the PMOS pass
element behaves as a low-value resistor, the low
dropout voltage, typically 415 mV at 50 mA of load
current, is directly proportional to the load current.
The low quiescent current (3.2 µA typically) is stable
over the entire range of output load current (0 mA to
50 mA).
Wide Variety of Fixed Output Voltage
Options to Match VIN to the Minimum
Required for Desired MSP430 Speed
(1)
Component qualification in accordance with JEDEC and
industry standards to ensure reliable operation over an
extended temperature range. This includes, but is not limited
to, Highly Accelerated Stress Test (HAST) or biased 85/85,
temperature cycle, autoclave or unbiased HAST,
electromigration, bond intermetallic life, and mold compound
life. Such qualification testing should not be viewed as
justifying use of this component beyond specified
performance and environmental limits.
DCK PACKAGE
(TOP VIEW)
TPS715xx
OUT
IN
MSP430
GND
FB
GND
NC
1
2
5
OUT
IN
Solar
Cell
3
4
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.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2008, Texas Instruments Incorporated
On products compliant to MIL-PRF-38535, all parameters are
tested unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
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