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參數資料
| 型號： | TPS72215DBVR |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | LOW INPUT VOLTAGE, CAP FREE 50-mA LOW-DROPOUT LINEAR REGULATORS |
| 中文描述： | 低輸入電壓，第免費50毫安低壓降線性穩壓器 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 119K |
| 代理商： | TPS72215DBVR |
TPS72201, TPS72215
TPS72216, TPS72218
SLVS390B – DECEMBER 2001 – REVISED MAY 2002
LOW INPUT VOLTAGE, CAP FREE 50-mA
LOW-DROPOUT LINEAR REGULATORS
(3,00 mm x 3,00 mm)
Actual Size
FEATURES
50-mA LDO
Available in 1.5-V, 1.6-V, and 1.8-V
Fixed-Output and Adjustable Versions
Low Input Voltage Requirement
(Down to 1.8 V)
Small Output Capacitor, 0.1-
μ
F
Dropout Voltage Typically 50 mV at 50 mA
Less Than 1
μ
A Quiescent Current in
Shutdown Mode
Thermal Protection
Over Current Limitation
5-Pin SOT-23 (DBV) Package
APPLICATIONS
Portable Communication Devices
Battery Powered Equipment
PCMCIA Cards
Personal Digital Assistants
Modems
Bar Code Scanners
Backup Power Supplies
SMPS Post Regulation
Internet Audio
DESCRIPTION
The TPS722xx family of LDO regulators is available in
fixed voltage options that are commonly used to power
the latest DSP’s 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
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
μ
A during normal operation and 1
μ
A 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-
μ
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-
μ
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.
3
2
4
5
DBV PACKAGE
(TOP VIEW)
1
IN
GND
EN
OUT
NC/FB
TPS72215
0.1
μ
F
0.1
μ
F
1.8 V
1.5 V
GND
OUT
IN
EN
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.
www.ti.com
Copyright
2002, Texas Instruments Incorporated
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS72215DBVRG4 | 功能描述:低壓差穩壓器 - LDO Low-Noise Low Input Voltage 50mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS72215DBVT | 功能描述:低壓差穩壓器 - LDO Low-Noise Low Input Voltage 50mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS72215DBVTG4 | 功能描述:低壓差穩壓器 - LDO Low-Noise Low Input Voltage 50mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS72216DBVR | 功能描述:低壓差穩壓器 - LDO Low-Noise Low Input Voltage 50mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS72216DBVRG4 | 功能描述:低壓差穩壓器 - LDO Low-Noise Low Input Voltage 50mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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