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TPSM84424 Datasheet Preview

TPSM84424 Datasheet

4-A Power Module

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TPSM84424
SLVSEJ2A – FEBRUARY 2018 – REVISED APRIL 2018
TPSM84424 4.5-V to 17-V Input, 0.6-V to 10-V Output, 4-A Power Module
1 Features
1 Integrated Inductor Power Solution
• 7.5 mm × 7.5 mm × 5.3 mm QFM Package
– All Pins Accessible from Package Perimeter
• Input Voltage Range: 4.5 V to 17 V
• Wide-Output Voltage Range: 0.6 V to 10 V
• Efficiencies up to 96%
• Adjustable Fixed Switching Frequency
(200 kHz to 1.6 MHz)
• Allows Synchronization to an External Clock
• Ultra-Fast Load Step Response (TurboTrans™)
• Power Good Output
• Meets EN55011 Class B Radiated EMI Limits
• Operating Ambient Range: –40°C to +105°C
• Operating IC Junction Range: –40°C to +150°C
• Create a Custom Design Using the TPSM84424
With the WEBENCH® Power Designer
2 Applications
• Telecom and Wireless Infrastructure
• Industrial Automated Test Equipment
• Enterprise Switching and Storage Applications
• High Density Distributed Power Systems
space
space
Simplified Schematic
VIN VIN PGOOD
3 Description
The TPSM84424 power module is an easy-to-use
integrated power supply that combines a 4-A DC/DC
converter with power MOSFETs, a shielded inductor
and passives into a small form factor, QFM package.
This power solution allows as few as six external
components while maintaining the ability to adjust key
parameters to meet specific design requirements.
Ultra-fast transient response can be achieved by use
of the TurboTrans™ feature. TurboTrans allows the
transient response to be optimized for reduced output
voltage deviation with less required output
capacitance.
The 7.5 mm × 7.5 mm × 5.3 mm, 24-pin, QFM
package is easy to solder to a printed circuit board
and has excellent power dissipation capability. The
TPSM84424 offers flexibility with many features
including power good, programmable UVLO, tracking,
prebias start-up, as well as overcurrent and
overtemperature protection making it ideal for
powering a wide range of devices and systems.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPSM84424
QFM (24)
7.50 mm × 7.50 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
space
space
Transient Response
CIN
RRT
RT/CLK
TPSM84424
EN
VOUT
RFBT
VOUT
COUT
TT FB
RTT
AGND
PGND
RFBB
Copyright © 2018, Texas Instruments Incorporated
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.




etcTI

TPSM84424 Datasheet Preview

TPSM84424 Datasheet

4-A Power Module

No Preview Available !

TPSM84424
SLVSEJ2A – FEBRUARY 2018 – REVISED APRIL 2018
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......................................................... 5
6.1 Absolute Maximum Ratings ...................................... 5
6.2 ESD Ratings.............................................................. 5
6.3 Recommended Operating Conditions....................... 5
6.4 Thermal Information .................................................. 6
6.5 Electrical Characteristics........................................... 6
6.6 Switching Characteristics .......................................... 7
6.7 Typical Characteristics (VIN = 12 V) .......................... 8
6.8 Typical Characteristics (VIN = 5 V)............................ 9
7 Detailed Description ............................................ 10
7.1 Overview ................................................................. 10
7.2 Functional Block Diagram ....................................... 10
7.3 Feature Description................................................. 11
7.4 Device Functional Modes........................................ 20
8 Application and Implementation ........................ 21
8.1 Application Information............................................ 21
8.2 Typical Application .................................................. 21
9 Power Supply Recommendations...................... 23
10 Layout................................................................... 24
10.1 Layout Guidelines ................................................. 24
10.2 Layout Examples................................................... 24
10.3 EMI........................................................................ 25
10.4 Package Specifications ......................................... 26
11 Device and Documentation Support ................. 27
11.1 Device Support .................................................... 27
11.2 Development Support ........................................... 27
11.3 Receiving Notification of Documentation Updates 27
11.4 Community Resources.......................................... 27
11.5 Trademarks ........................................................... 27
11.6 Electrostatic Discharge Caution ............................ 27
11.7 Glossary ................................................................ 28
12 Mechanical, Packaging, and Orderable
Information ........................................................... 28
12.1 Tape and Reel Information ................................... 28
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Original (February 2018) to Revision A
Page
• Added inductor value to the block diagram ......................................................................................................................... 10
• Changed VOUT Range vs Switching Frequency table .......................................................................................................... 12
• Added 270 µF capacitor to the Allowable Polymer Capacitor table .................................................................................... 15
• Added EMI section .............................................................................................................................................................. 25
2 Submit Documentation Feedback
Product Folder Links: TPSM84424
Copyright © 2018, Texas Instruments Incorporated


Part Number TPSM84424
Description 4-A Power Module
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