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TPS79318YZQT Datasheet(PDF) 1 Page - Texas Instruments

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No. de pieza TPS79318YZQT
Descripción Electrónicos  Low-Noise, High PSRR, RF, 200-mA Low-Dropout Linear Regulators in NanoStar Wafer Chip Scale and SOT-23
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS79318YZQT Datasheet(HTML) 1 Page - Texas Instruments

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10
100
1 k
10 k
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100
100 k
1 M
10 M
Frequency (Hz)
VIN = 3.8 V
COUT = 2.2 F
m
CNR = 0.1 F
m
IOUT = 10 mA
IOUT = 200 mA
40
70
90
30
50
80
10
0
V
IN
V
IN
V
OUT
V
OUT
IN
EN
GND
NR
OUT
TPS79328
0.1
F
m
10
F
m
0.01
F
m
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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
TPS793
SLVS348L – JULY 2001 – REVISED MAY 2015
TPS793 Low-Noise, High PSRR, RF, 200-mA Low-Dropout Linear Regulators in
NanoStar™ Wafer Chip Scale and SOT-23
1
1 Features
1
200-mA RF Low-Dropout Regulator
With Enable
Available in Fixed-Voltage Versions from 1.8 V to
4.75 V and Adjustable (1.22 V to 5.5 V)
High PSRR (70 dB at 10 kHz)
Low Noise (32 μVRMS, TPS79328)
Fast Start-Up Time (50 μs)
Stable With a 2.2-μF Ceramic Capacitor
Excellent Load and Line Transient Response
Very Low Dropout Voltage (112 mV at 200 mA,
TPS79330)
5- and 6-Pin SOT23 (DBV) and NanoStar Wafer
Chip Scale (YZQ) Packages
2 Applications
RF: VCOs, Receivers, ADCs
Audio
Cellular and Cordless Telephones
Bluetooth®, Wireless LAN
Handheld Organizers, PDAs
3 Description
The TPS793 family of low-dropout (LDO) low-power
linear voltage regulators features high power-supply
rejection ratio (PSRR), ultralow-noise, fast start-up,
and excellent line and load transient responses in
NanoStar™ wafer chip scale and SOT23 packages.
NanoStar packaging gives an ultrasmall footprint as
well as an ultralow profile and package weight,
making these devices ideal for portable applications
such as handsets and PDAs. Each device in the
family is stable, with a small, 2.2-μF ceramic
capacitor on the output. The TPS793 family uses an
advanced, proprietary BiCMOS fabrication process to
yield extremely low dropout voltages (for example,
112 mV at 200 mA, TPS79330). Each device
achieves fast start-up times (approximately 50 μs with
a 0.001-μF bypass capacitor) while consuming very
low quiescent current (170 μA typical). Moreover,
when the device is placed in standby mode, the
supply current is reduced to less than 1 μA. The
TPS79328 exhibits approximately 32 μVRMS of output
voltage noise at 2.8-V output with a 0.1-μF bypass
capacitor. Applications with analog components that
are noise-sensitive, such as portable RF electronics,
benefit from the high PSRR and low-noise features
as well as the fast response time.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS793
SOT-23 (6)
2.90 mm × 1.60 mm
SOT-23 (5)
2.90 mm × 1.60 mm
DSBGA (5)
1.35 mm × 1.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Application Circuit
Ripple Rejection vs Frequency


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