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TPS79325DBVRQ1 Datasheet Preview

TPS79325DBVRQ1 Datasheet

Low-Dropout Linear Regulator

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TPS793-Q1
SGLS162I – APRIL 2003 – REVISED MARCH 2016
TPS793-Q1 Ultralow-Noise, High-PSRR, Fast RF 200-mA
Low-Dropout Linear Regulators
1 Features
1 Qualified For Automotive Applications
• AEC-Q100 Qualified With the Following Results:
– Device Temperature Grade 1: –40°C to
+125°C
– Device HBM ESD Classification Level 1C
– Device CDM ESD Classification Level C2
• 200-mA Low-Dropout Regulator With EN
• Available in 1.8-V, 2.5-V, 2.8-V, 3-V, 3.3-V, 4.75-
V, and Adjustable Options
• High PSRR (70 dB at 10 kHz)
• Ultralow Noise (32 μV)
• Fast Start-Up Time (50 μs)
• Stable With a 2.2-μF Ceramic Capacitor
• Excellent Load and Line Transient
• Very Low Dropout Voltage
(112 mV at Full Load, TPS79330-Q1)
• 5-Pin SOT-23 (DBV) Package
2 Applications
• VCOs
• RF
• Bluetooth™
TPS79328-Q1 Ripple Rejection vs Frequency
100
90
IO = 200 mA
80
70
60
50
40
IO = 10 mA
30
20 VI = 3.8 V
10 Co = 10 mF
0
C(byp) = 0.01 mF
10 100 1 k 10 k 100 k 1 M 10 M
f − Frequency − Hz
3 Description
The TPS793xx-Q1 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 a small-outline SOT-23 package. Each
TPS793-Q1 device in the family is stable, with a small
2.2-μF ceramic capacitor on the output. The
TPS793xx-Q1 family uses an advanced, proprietary,
BiCMOS fabrication process to yield extremely low
dropout voltages (for example, 112 mV at 200 mA,
TPS79330-Q1). 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-Q1
exhibits approximately 32 μVRMS of output voltage
noise 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)
TPS793xx-Q1
SOT-23 (6)
2.90 × 2.90 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
TPS79328-Q1 Output Spectral Noise Density vs
Frequency
0.3
0.25
VI = 3.8 V
Co = 2.2 mF
C(byp) = 0.1 mF
0.2
0.15
0.1
0.05
IO = 1 mA
IO = 200 mA
0
100
1k
10 k
f − Frequency − Hz
100 k
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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TPS79325DBVRQ1 Datasheet Preview

TPS79325DBVRQ1 Datasheet

Low-Dropout Linear Regulator

No Preview Available !

TPS793-Q1
SGLS162I – APRIL 2003 – REVISED MARCH 2016
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Voltage Options ..................................................... 3
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 4
7.1 Absolute Maximum Ratings ...................................... 4
7.2 ESD Ratings.............................................................. 4
7.3 Recommended Operating Conditions....................... 4
7.4 Thermal Information .................................................. 4
7.5 Electrical Characteristics........................................... 5
7.6 Typical Characteristics .............................................. 7
8 Detailed Description ............................................ 11
8.1 Overview ................................................................. 11
8.2 Functional Block Diagram ....................................... 11
8.3 Feature Description................................................. 12
8.4 Device Functional Modes........................................ 13
9 Application and Implementation ........................ 14
9.1 Application Information............................................ 14
9.2 Typical Application .................................................. 14
10 Power Supply Recommendations ..................... 17
11 Layout................................................................... 17
11.1 Layout Guidelines ................................................. 17
11.2 Layout Example .................................................... 17
11.3 Power Dissipation and Junction Temperature ...... 17
12 Device and Documentation Support ................. 19
12.1 Device Support...................................................... 19
12.2 Documentation Support ........................................ 19
12.3 Community Resource............................................ 19
12.4 Trademarks ........................................................... 19
12.5 Electrostatic Discharge Caution ............................ 20
12.6 Glossary ................................................................ 20
13 Mechanical, Packaging, and Orderable
Information ........................................................... 20
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision H (January 2013) to Revision I
Page
• Changed document part numbers to the generic TPS793-Q1 .............................................................................................. 1
• Removed the 2.85-V version from the data sheet ................................................................................................................. 1
• Added 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 ................................................................................................. 1
2
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Product Folder Links: TPS793-Q1
Copyright © 2003–2016, Texas Instruments Incorporated


Part Number TPS79325DBVRQ1
Description Low-Dropout Linear Regulator
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