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TPS72501 Datasheet(PDF) 1 Page - Texas Instruments

Part No. TPS72501
Description  LOW INPUT VOLTAGE, 1-A LOW-DROPOUT LINEAR REGULATORS WITH SUPERVISOR
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TPS72501 Datasheet(HTML) 1 Page - Texas Instruments

 
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FEATURES
DESCRIPTION
APPLICATIONS
1
2
3
4
5
DCQ PACKAGE
RESET/FB
OUT
GND
IN
ENABLE
SOT223-5
(TOP VIEW)
1
2
3
4
8
7
6
5
OUT
FB
GND
NC
IN
GND
GND
ENABLE
D PACKAGE
(TOP VIEW)
NC − No internal connection
1
KTT PACKAGE
(TOP VIEW)
2 3 4 5
DDPAK
TPS72501
TPS72515, TPS72516
TPS72518, TPS72525
SLVS341D – MAY 2002 – REVISED MARCH 2004
LOW INPUT VOLTAGE, 1-A LOW-DROPOUT LINEAR REGULATORS WITH SUPERVISOR
1-A Output Current
The TPS725xx family of 1-A low-dropout (LDO) linear
regulators has fixed voltage options available that are
Available in 1.5-V, 1.6-V, 1.8-V, 2.5-V
commonly used to power the latest DSPs, FPGAs,
Fixed-Output and Adjustable Versions
and microcontrollers. An adjustable option ranging
(1.2-V to 5.5-V)
from 1.22 V to 5.5 V is also available. The integrated
Input Voltage Down to 1.8 V
supervisory circuitry provides an active low RESET
Low 170-mV Dropout Voltage at 1 A
signal when the output falls out of regulation. The no
(TPS72525)
capacitor/any capacitor feature allows the customer
to tailor output transient performance as needed.
Stable With Any Type/Value Output Capacitor
Therefore, compared to other regulators capable of
Integrated Supervisor (SVS) With 50-ms
providing the same output current, this family of
RESET Delay Time
regulators can provide a stand-alone power supply
Low 210-µA Ground Current at Full Load
solution or a post regulator for a switch mode power
supply.
(TPS72525)
Less than 1-µA Standby Current
These regulators are ideal for higher current appli-
cations. The family operates over a wide range of
±2% Output Voltage Tolerance Over Line,
input voltages (1.8 V to 6 V) and has very low
Load, and Temperature (-40
°C to 125°C)
dropout (170 mV at 1-A).
Integrated UVLO
Ground current is typically 210 µA at full load and
Thermal and Overcurrent Protection
drops to less than 80 µA at no load. Standby current
5-Lead SOT223-5 or DDPAK and 8-Pin SOP
is less than 1 µA.
(TPS72501 only) Surface Mount Package
Each
regulator
option
is
available
in
either
a
SOT223-5, D (TPS72501 only), or DDPAK package.
With a low input voltage and properly heatsinked
PCI Cards
package, the regulator dissipates more power and
Modem Banks
achieves higher efficiencies than similar regulators
Telecom Boards
requiring 2.5 V or more minimum input voltage and
higher quiescent currents. These features make it a
DSP, FPGA, and Microprocessor Power
viable power supply solution for
portable,
bat-
Supplies
tery-powered equipment.
Portable, Battery-Powered Applications
NOTE: TPS72501 replaces RESET with FB. Tab is GND for the DCK and KTT packages.
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.
PRODUCTION DATA information is current as of publication date.
Copyright © 2002–2004, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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