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TLV1117LV33 数据手册 - TI（德州仪器）
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TI（德州仪器）
封装:
SOT-223-4
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TLV1117LV33数据手册
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INPUT
GND
2
3
1
OUTPUT
OUTPUT
TLV1117LVxxDCY
TLV1117LV Series
www.ti.com
SBVS160A –MAY 2011– REVISED SEPTEMBER 2011
1-A, Positive Fixed Voltage, Low-Dropout Regulator
1
FEATURES
DESCRIPTION
The TLV1117LV series of low-dropout (LDO) linear
2
• 1.5% Typical Accuracy
regulators is a low input voltage version of the
• Low I
Q
: 100 μA (max)
popular 1117 voltage regulator.
– 500 times lower than standard 1117 devices
The TLV1117LV is an extremely low-power device
• V
IN
: 2.0 V to 5.5 V
that consumes 500 times lower quiescent current
– Absolute maximum V
IN
= 6.0 V
than traditional 1117 voltage regulators, making it
suitable for applications that mandate very low
• Stable with 0-mA Output Current
standby current. The TLV1117LV family of LDOs is
• Low Dropout: 455 mV at 1 A for V
OUT
= 3.3 V
also stable with 0 mA of load current; there is no
• High PSRR: 65 dB at 1 kHz
minimum load requirement, making it an ideal choice
for applications where the regulator is required to
• Minimum Ensured Current Limit: 1.1 A
power very small loads during standby in addition to
• Stable with Cost-Effective Ceramic Capacitors:
large currents on the order of 1 A during normal
– With 0-Ω ESR
operation. The TLV1117LV offers excellent line and
load transient performance, resulting in very small
• Temperature Range: –40°C to +125°C
magnitude undershoots and overshoots of output
• Thermal Shutdown and Ovecurrent Protection
voltage when the load current requirement changes
• Available in SOT223 Package
from less than 1 mA to more than 500 mA.
– See Package Option Addendum at end of
A precision bandgap and error amplifier provides
this document for complete list of available
1.5% accuracy. A very high power-supply rejection
voltage options
ratio enables usage of the device for post-regulation
after a switching regulator. Other valuable features
APPLICATIONS
include low output noise and low-dropout voltage.
• Set Top Boxes
The device is internally compensated to be stable
with 0-Ω equivalent series resistance (ESR)
• TVs and Monitors
capacitors. These key advantages enable the use of
• PC Peripherals, Notebooks, Motherboards
cost-effective, small-size ceramic capacitors.
• Modems and Other Communication Products
Cost-effective capacitors that have higher bias
voltages and temperature derating can also be used
• Switching Power Supply Post-Regulation
if desired.
The TLV1117LV series is available in a SOT223
package.
Figure 1.
1
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.
2All trademarks are the property of their respective owners.
UNLESS OTHERWISE NOTED this document contains
Copyright © 2011, Texas Instruments Incorporated
PRODUCTION DATA information 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.
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