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TPS7A6050EVM 其他数据使用手册 - TI（德州仪器）
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TPS7A6050EVM数据手册
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TPS7A47xx
RF LDO
Amplifier
TPS7A33
Negative-Voltage
Regulator
TPS7A4700
TPS7A4701
www.ti.com
SBVS204D –JUNE 2012–REVISED DECEMBER 2013
36-V, 1-A, 4.17-µV
RMS
, RF LDO Voltage Regulator
Check for Samples: TPS7A4700, TPS7A4701
1
FEATURES
DESCRIPTION
The TPS7A47 is a family of positive voltage (+36 V),
23
• Input Voltage Range: +3 V to +36 V
ultralow-noise (4.17 µV
RMS
) low dropout linear
• Output Voltage Noise:
regulators (LDO) capable of sourcing a 1-A load.
4.17 µV
RMS
(10 Hz, 100 kHz)
The TPS7A4700 (1-kV ESD, HBM) and
• Power-Supply Ripple Rejection:
TPS7A4701 (2.5-kV ESD, HBM) output voltages are
– 82 dB (100 Hz)
fully adjustable (up to 20.5 V) using a printed circuit
board (PCB) layout without the need of external
– ≥ 55 dB (10 Hz, 10 MHz)
resistors or feed-forward capacitors, thus reducing
• Available in Two Versions:
overall component count.
– ANY-OUT™ (Adjustable Output via PCB
For higher output voltage applications, use the
Layout):
TPS7A4701. The TPS7A4701 achieves output
– No External Resistors or Feed-Forward
voltages of up to 34 V with the use of external
Capacitors Required
resistors.
– Output Voltage Range: +1.4 V to +20.5 V
The TPS7A47 is designed with bipolar technology
– Adjustable (TPS7A4701 only):
primarily for high-accuracy, high-precision
– Output Voltage Range: +1.4 V to +34 V
instrumentation applications where clean voltage rails
are critical to maximize system performance. This
• Output Current: 1 A
feature makes the device ideal for powering
• Dropout Voltage: 307 mV at 1 A
operational amplifiers, analog-to-digital converters
• CMOS Logic Level-Compatible Enable Pin
(ADCs), digital-to-analog converters (DACs), and
other high-performance analog circuitry in critical
• Built-In Fixed Current Limit and
applications such as medical, radio frequency (RF),
Thermal Shutdown
and test-and-measurement.
• Available in High Thermal Performance
In addition, the TPS7A47 is ideal for post dc-dc
Package: 5-mm × 5-mm QFN
converter regulation. By filtering out the output
• Operating Temperature Range:
voltage ripple inherent to dc-dc switching
–40°C to +125°C
conversions, maximum system performance is
ensured in sensitive instrumentation, test-and-
APPLICATIONS
measurement, audio, and RF applications.
• Voltage-Controlled Oscillators (VCO)
For applications where positive and negative low-
• Frequency Synthesizers
noise rails are required, consider TI's TPS7A33 family
of negative high-voltage, ultralow-noise linear
• Test and Measurement
regulators.
• Instrumentation, Medical, and Audio
• RX, TX, and PA Circuitry
• Supply Rails for Operational Amplifiers,
DACs, ADCs, and Other High-Precision Analog
Circuitry
• Post DC-DC Converter Regulation and
Ripple Filtering
• Base Stations and Telecom Infrastructure
• +12-V and +24-V Industrial Buses
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.
2ANY-OUT, PowerPAD are trademarks of Texas Instruments.
3All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2012–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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