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TPS79330YZQT Datasheet Preview

TPS79330YZQT Datasheet

200-mA Low-Dropout Linear Regulator

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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 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.
PART NUMBER
TPS793
Device Information(1)
PACKAGE
BODY SIZE (NOM)
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
VIN
VIN
VOUT
IN
OUT
TPS79328
VOUT
0.1 mF
EN GND NR
10 mF
0.01 mF
Ripple Rejection vs Frequency
100
VIN = 3.8 V
90 COUT = 2.2 mF
80 CNR = 0.1 mF
70
IOUT = 200 mA
60
50
IOUT = 10 mA
40
30
20
10
0
10 100 1 k 10 k 100 k 1 M 10 M
Frequency (Hz)
1
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.




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TPS79330YZQT Datasheet Preview

TPS79330YZQT Datasheet

200-mA Low-Dropout Linear Regulator

No Preview Available !

TPS793
SLVS348L – JULY 2001 – REVISED MAY 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings ............................................................ 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 5
6.5 Electrical Characteristics .......................................... 6
6.6 Typical Characteristics .............................................. 7
7 Detailed Description ............................................ 11
7.1 Overview ................................................................. 11
7.2 Functional Block Diagrams ..................................... 11
7.3 Feature Description................................................. 12
7.4 Device Functional Modes........................................ 13
8 Application and Implementation ........................ 14
8.1 Application Information............................................ 14
8.2 Typical Application .................................................. 15
8.3 Do's and Don'ts ....................................................... 17
9 Power Supply Recommendations...................... 17
10 Layout................................................................... 18
10.1 Layout Guidelines ................................................. 18
10.2 Layout Example .................................................... 18
10.3 Power Dissipation ................................................. 18
11 Device and Documentation Support ................. 20
11.1 Device Support...................................................... 20
11.2 Documentation Support ........................................ 20
11.3 Community Resource............................................ 20
11.4 Trademarks ........................................................... 21
11.5 Electrostatic Discharge Caution ............................ 21
11.6 Glossary ................................................................ 21
12 Mechanical, Packaging, and Orderable
Information ........................................................... 21
4 Revision History
Changes from Revision K (October 2007) to Revision L
Page
• Changed title of data sheet ................................................................................................................................................... 1
• Deleted references to YEQ package throughout document (package is obsolete) .............................................................. 1
• Changed fourth bullet of Features list to low noise ................................................................................................................ 1
• Changed front-page figure ..................................................................................................................................................... 1
• Changed Absolute Maximum Ratings condition statement ................................................................................................... 4
• Added Pin Configurations and Functions section, ESD Ratings table, Feature Description section, Device Functional
Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device
and Documentation Support section, and Mechanical, Packaging, and Orderable Information section .............................. 4
• Deleted Dissipation Ratings table; added Thermal Information table ................................................................................... 5
• Deleted TJ = 25°C test condition from PSRR specification measurements because of redundancy .................................... 6
• Added condition statement to Typical Characteristics ........................................................................................................... 7
• Changed Figure 23; changed capacitor notation to CFF in figure and related table ............................................................ 14
• Changed Figure 24; changed capacitor notation to CFF in figure, changed 2.2µF capacitor value to 10µF, and
changed device name .......................................................................................................................................................... 15
2
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Copyright © 2001–2015, Texas Instruments Incorporated


Part Number TPS79330YZQT
Description 200-mA Low-Dropout Linear Regulator
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