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TPS72215DBVT Datasheet

  • TPS72215DBVT

  • LOW INPUT VOLTAGE, CAP FREE 50-mA LOW-DROPOUT LINEAR REGULAT...

  • 121.76KB

  • 11頁

  • TI

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Actual Size
(3,00 mm x 3,00 mm)
TPS72201, TPS72215
TPS72216, TPS72218
SLVS390B 鈥?DECEMBER 2001 鈥?REVISED MAY 2002
LOW INPUT VOLTAGE, CAP FREE 50-mA
LOW-DROPOUT LINEAR REGULATORS
FEATURES
D
50-mA LDO
D
Available in 1.5-V, 1.6-V, and 1.8-V
D
Fixed-Output and Adjustable Versions
Low Input Voltage Requirement
(Down to 1.8 V)
Small Output Capacitor, 0.1-碌F
many other regulators that require 2.5-V or higher input
voltages for operation, these regulators can be
operated directly from two AAA batteries. Also, the
typical quiescent current (ground pin current) is low,
starting at 85
碌A(chǔ)
during normal operation and 1
碌A(chǔ)
in
shutdown mode. Thus, these regulators can be
operated very efficiently and, in a battery-powered
application, help extend the longevity of the device.
Similar LDO regulators require 1-碌F or larger output
capacitors for stability. However, this regulator uses an
internal compensation scheme that stabilizes the
feedback loop over the full range of input voltages and
load currents with output capacitances as low as
0.1-碌F. Ceramic capacitors of this size are relatively
inexpensive and available in small footprints.
This family of regulators is particularly suited as a
portable power supply solution due to its minimal board
space requirement and 1.8-V minimum input voltage.
Being able to use two off-the-shelf, AAA, batteries
makes system design easier and also reduces
component cost. Moreover, the solution will be more
efficient than if a regulator with a higher input voltage is
used.
DBV PACKAGE
(TOP VIEW)
IN
GND
EN
1
2
3
4
NC/FB
5
OUT
D
D
Dropout Voltage Typically 50 mV at 50 mA
D
Less Than 1
碌A(chǔ)
Quiescent Current in
D
D
D
Shutdown Mode
Thermal Protection
Over Current Limitation
5-Pin SOT-23 (DBV) Package
APPLICATIONS
D
Portable Communication Devices
D
Battery Powered Equipment
D
PCMCIA Cards
D
Personal Digital Assistants
D
Modems
D
Bar Code Scanners
D
Backup Power Supplies
D
SMPS Post Regulation
D
Internet Audio
DESCRIPTION
The TPS722xx family of LDO regulators is available in
fixed voltage options that are commonly used to power
the latest DSP鈥檚 and microcontrollers with an adjustable
option ranging from 1.22 V to 2.5 V. These regulators
can be used in a wide variety of applications ranging
from portable, battery-powered equipment to PC
peripherals. The family features operation over a wide
range of input voltages (1.8 V to 5.5 V) and low dropout
voltage (50 mV at full load). Therefore, compared to
1.8 V
TPS72215
IN
EN
OUT
GND
1.5 V
0.1
碌F
0.1
碌F
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
錚?/div>
2002, Texas Instruments Incorporated

TPS72215DBVT 產(chǎn)品屬性

  • 250

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - 線性

  • -

  • 正，固定式

  • 1.5V

  • 1.8 V ~ 5.5 V

  • -

  • 1

  • 50mA（最小值）

  • -40°C ~ 125°C

  • 表面貼裝

  • SC-74A，SOT-753

  • SOT-23-5

  • 帶卷 (TR)

  • 296-12521-2

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