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TPS77218 Datasheet(PDF) 1 Page - Texas Instruments

No. de Pieza. TPS77218
Descripción  150-mA LDO REGULATORS WITH 8-PIN MSOP PACKAGING
Descarga  25 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS77218 Datasheet(HTML) 1 Page - Texas Instruments

 
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TPS77101/115/118/127/128/133/150 WITH RESET OUTPUT
TPS77201/215/218/227/228/233/250 WITH POWER GOOD OUTPUT
150-mA LDO REGULATORS WITH 8-PIN MSOP PACKAGING
SLVS225D – FEBRUARY 2000 – REVISED OCTOBER 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Open Drain Power-On Reset With 220-ms
Delay (TPS771xx)
D Open Drain Power-Good (PG) Status
Output (TPS772xx)
D 150-mA Low-Dropout Voltage Regulator
D Available in 1.5-V, 1.8-V, 2.7-V, 2.8-V, 3.3-V,
5.0-V Fixed Output and Adjustable Versions
D Dropout Voltage Typically 115 mV
at 150 mA (TPS77133, TPS77233)
D Ultralow 92-µA Quiescent Current (Typ)
D 8-Pin MSOP (DGK) Package
D Low Noise (55 µVrms) Without External
Filter (Bypass) Capacitor (TPS77118,
TPS77218)
D 2% Tolerance Over Specified Conditions
for Fixed-Output Versions
D Fast Transient Response
D Thermal Shutdown Protection
description
The TPS771xx and TPS772xx are low-dropout
regulators with integrated power-on reset and
power good (PG) function respectively. These
devices are capable of supplying 150 mA of output
current with a dropout of 115 mV (TPS77133,
TPS77233). Quiescent current is 92
µA at full load
dropping down to 1
µA when device is disabled.
These devices are optimized to be stable with a
wide range of output capacitors including low ESR
ceramic (10
µF) or low capacitance (1 µF)
tantalum capacitors. These devices have ex-
tremely low noise output performance (55
µVrms)
without
using
any
added
filter
capacitors.
TPS771xx and TPS772xx are designed to have
fast transient response for larger load current
changes.
The TPS771xx or TPS772xx is offered in 1.5 V,
1.8-V, 2.7-V, 2.8-V, 3.3-V, and 5.0 V fixed-voltage versions and in an adjustable version (programmable over
the range of 1.5 V to 5.5 V). Output voltage tolerance is 2% over line, load, and temperature ranges. The
TPS771xx and TPS772xx families are available in 8-pin MSOP (DGK) packages.
Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 115 mV
at an output current of 150 mA for 3.3 volt option) and is directly proportional to the output current. Additionally,
since the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent
of output loading (typically 92
µA over the full range of output current, 0 mA to 150 mA). These two key
specifications yield a significant improvement in operating life for battery-powered systems.
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.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
 2000, Texas Instruments Incorporated
–50
0
50
100
150
200
250
300
–40
0
40
80
120
160
TPS77x33
DROPOUT VOLTAGE
vs
JUNCTION TEMPERATURE
TJ – Junction Temperature – °C
IO = 150 mA
IO = 10 mA
IO = 0 A
OUT
OUT
IN
IN
8
7
6
5
1
2
3
4
FB/SENSE
RESET
EN
GND
TPS771xx
DGK Package
(TOP VIEW)
OUT
OUT
IN
IN
8
7
6
5
1
2
3
4
FB/SENSE
PG
EN
GND
TPS772xx
DGK Package
(TOP VIEW)


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