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TPS74801 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. TPS74801
Description  1.5A LDO Linear Regulator with Programmable Soft-Start
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TPS74801 Datasheet(HTML) 1 Page - Texas Instruments

 
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FEATURES
DESCRIPTION
APPLICATIONS
0.5V/div
V
OUT
V
EN
1V/div
Time(1ms/div)
C
SS =2.2nF
C
SS =1nF
C
SS =0nF
3.8V
1.8V
TPS74801
GND
EN
FB
IN
PG
BIAS
SS
OUT
V
IN
R
1
R
2
R
3
C
OUT
C
IN
C
SS
V
BIAS
C
BIAS
V
OUT
TPS74801
SBVS074 – JANUARY 2007
1.5A LDO Linear Regulator with Programmable Soft-Start
• Ultra-Low V
IN and VOUT Range: 0.8V to 5.5V
The TPS74801 low-dropout (LDO) linear regulator
• V
BIAS Range 2.7V to 5.5V
provides an easy-to-use robust power management
• Low Dropout: 60mV typ at 1.5A, V
BIAS = 5V
solution
for
a
wide
variety
of
applications.
• Power Good (PG) Output Allows Supply
User-programmable soft-start minimizes stress on
Monitoring or Provides a Sequencing Signal
the input power source by reducing capacitive inrush
current on start-up. The soft-start is monotonic and
for Other Supplies
well-suited for powering many different types of
• 2% Accuracy Over Line/Load/Temperature
processors and ASICs. The enable input and
• Programmable Soft-Start Provides Linear
power-good output allow easy sequencing with
Voltage Startup
external regulators. This complete flexibility permits
the user to configure a solution that meets the
• V
BIAS Permits Low VIN Operation with Good
sequencing requirements of FPGAs, DSPs, and
Transient Response
other applications with special start-up requirements.
• Stable with Any Output Capacitor ≥ 2.2µF
A precision reference and error amplifier deliver 2%
• Available in a Small 3mm x 3mm x 1mm
accuracy over load, line, temperature, and process.
SON-10 Package
The device is stable with any output capacitor type,
and is fully specified from –40
°C to +125°C. The
TPS74801 is offered in a small 3mm
× 3mm SON-10
• FPGA Applications
package, yielding a highly compact, total solution
• DSP Core and I/O Voltages
size.
• Post-Regulation Applications
• Applications With Special Start-Up Time or
Sequencing Requirements
• Hot-Swap and Inrush Controls
Figure 2. Turn-On Response
Figure 1. Typical Application Circuit (Adjustable)
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.
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2007, 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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