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TPS76950DBVRG4 Datasheet(PDF) 1 Page - Texas Instruments

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No. de pieza TPS76950DBVRG4
Descripción Electrónicos  ULTRALOW-POWER 100-mA LOW-DROPOUT LINEAR REGULATORS
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS76950DBVRG4 Datasheet(HTML) 1 Page - Texas Instruments

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TPS76901, TPS76912, TPS76915, TPS76918, TPS76925
TPS76927, TPS76928, TPS76930, TPS76933, TPS76950
ULTRALOW-POWER 100-mA LOW-DROPOUT LINEAR REGULATORS
SLVS203E – JUNE 1999 – REVISED MAY 2001
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D 100-mA Low-Dropout Regulator
D Available in 1.2-V, 1.5-V, 1.8-V, 2.5-V, 2.7-V,
2.8-V, 3.0-V, 3.3-V, and 5-V Fixed-Output and
Adjustable Versions
D Only 17 µA Quiescent Current at 100 mA
D 1 µA Quiescent Current in Standby Mode
D Dropout Voltage Typically 71 mV at 100mA
D Over Current Limitation
D –40°C to 125°C Operating Junction
Temperature Range
D 5-Pin SOT-23 (DBV) Package
description
The TPS769xx family of low-dropout (LDO)
voltage regulators offers the benefits of low
dropout voltage, ultralow-power operation, and
miniaturized packaging. These regulators feature
low dropout voltages and ultralow quiescent
current
compared
to
conventional
LDO
regulators. Offered in a 5-terminal small outline
integrated-circuit
SOT-23
package,
the
TPS769xx
series
devices
are
ideal
for
micropower operations and where board space is
at a premium.
A combination of new circuit design and process
innovation has enabled the usual PNP pass
transistor to be replaced by a PMOS pass
element. Because the PMOS pass element
behaves as a low-value resistor, the dropout
voltage is very low, typically 71 mV at 100 mA of
load current (TPS76950), and is directly proportional to the load current. Since the PMOS pass element is a
voltage-driven device, the quiescent current is ultralow (28
µA maximum) and is stable over the entire range
of output load current (0 mA to 100 mA). Intended for use in portable systems such as laptops and cellular
phones, the ultralow-dropout voltage feature and ultralow-power operation result in a significant increase in
system battery operating life.
The TPS769xx also features a logic-enabled sleep mode to shut down the regulator, reducing quiescent current
to 1
µA typical at TJ = 25°C. The TPS769xx is offered in 1.2-V, 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V,
and 5-V fixed-voltage versions and in a variable version (programmable over the range of 1.2 V to 5.5 V).
Copyright
 2001, Texas Instruments Incorporated
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.
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.
3
2
4
5
DBV PACKAGE
(TOP VIEW)
1
IN
GND
EN
OUT
NC/FB
TA – Free-Air Temperature – °C
15
22
TPS76933
GROUND CURRENT
vs
FREE-AIR TEMPERATURE
VI = 4.3 V
CO = 4.7 µF
–40
0
–20
20
140
–60
40
80
100 120
60
21
20
19
18
17
16
IO = 0 mA
IO = 100 mA


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