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TPS77618PWPR Datasheet(PDF) 1 Page - Texas Instruments

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No. de Pieza. TPS77618PWPR
Descripción  FAST-TRANSIENT-RESPONSE 500mA LOW-DROPOUT VOLTAGE REGULATORS
Descarga  28 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS77618PWPR Datasheet(HTML) 1 Page - Texas Instruments

 
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FEATURES
DESCRIPTION
APPLICATIONS
IN
IN
EN
GND
OUT
OUT
RESET/
PG
6
7
5
16
14
13
3
+
10 F
m
C
OUT
(1)
RESET/PG
V
OUT
V
IN
0.1 F
m
TPS775xx, TPS776xx
SLVS232I – SEPTEMBER 1999 – REVISED AUGUST 2007
TPS775xx with RESET Output, TPS776xx with PG Output
FAST-TRANSIENT-RESPONSE 500mA LOW-DROPOUT VOLTAGE REGULATORS
• Open Drain Power-On Reset with 200ms Delay
The TPS775xx and TPS776xx devices are designed
(TPS775xx)
to have a fast transient response and be stable with
a
10
μF
low
ESR
capacitor.
This
combination
• Open Drain Power Good (TPS776xx)
provides high performance at a reasonable cost.
• 500mA Low-Dropout Voltage Regulator
Because the PMOS device behaves as a low-value
• Available in Fixed Output and Adjustable
resistor, the dropout voltage is very low (typically
Versions
169mV at an output current of 500mA for the
• Dropout Voltage to 169mV (Typ) at 500mA
TPS77x33) and is directly proportional to the output
(TPS77x33)
current. Additionally, since the PMOS pass element
is a voltage-driven device, the quiescent current is
• Ultralow 85μA Typical Quiescent Current
very low and independent of output loading (typically
• Fast Transient Response
85
μA over the full range of output current, 0mA to
• 2% Tolerance Over Specified Conditions for
500mA). These two key specifications yield a
Fixed-Output Versions
significant
improvement
in
operating
life
for
battery-powered systems. This LDO family also
• 8-Pin SOIC and 20-Pin TSSOP PowerPAD™
features a sleep mode; applying a TTL high signal to
(PWP) Packages
EN (enable) shuts down the regulator, reducing the
• Thermal Shutdown Protection
quiescent current to 1
μA at TJ = +25°C.
The RESET output of the TPS775xx initiates a reset
in microcomputer and microprocessor systems in the
• FPGA Power
event of an undervoltage condition. An internal
• DSP Core and I/O Voltages
comparator in the TPS775xx monitors the output
voltage of the regulator to detect an undervoltage
Typical Application Circuit
condition on the regulated output voltage.
(Fixed Voltage Options)
Power good (PG) of the TPS776xx is an active high
output, which can be used to implement a power-on
reset or a low-battery indicator.
The TPS775xx and TPS776xx are offered in 1.5V,
1.6V (TPS77516 only), 1.8V, 2.5V, 2.8V (TPS77628
only), and 3.3V fixed-voltage versions and in an
adjustable version (programmable over the range of
1.5V to 5.5V for the TPS77501 and 1.2V to 5.5V for
the TPS77601). Output voltage tolerance is specified
as
a
maximum
of
2%
over
line,
load,
and
temperature ranges. The TPS775xx and TPS776xx
families are available in 8-pin SOIC and 20-pin
TSSOP 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.
PowerPAD is a trademark of Texas Instruments.
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 1999–2007, 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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