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TPS564208 Datasheet Preview

TPS564208 Datasheet

4-A Synchronous Step-Down Voltage Regulator

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TPS564208
SLVSDG0B – MARCH 2016 – REVISED DECEMBER 2017
TPS564208 4.5-V to 17-V Input, 4-A Synchronous Step-Down Voltage Regulator in SOT-23
1 Features
1 TPS564208 4-A Converter Integrated 50-mand
22-mFETs
• D-CAP2™ Mode Control with Fast Transient
Response
• Input Voltage Range: 4.5 V to 17 V
• Output Voltage Range: 0.76 V to 7 V
• Continuous Current Mode
• 560-kHz Switching Frequency
• Low Shutdown Current Less than 10 µA
• 1.6% Feedback Voltage Accuracy (25ºC)
• Startup from Pre-Biased Output Voltage
• Cycle-by-Cycle Overcurrent Limit
• Hiccup-mode Overcurrent Protection
• Non-Latch UVP and TSD Protections
• Fixed Soft Start: 1.0 ms
• Create a Custom Design Using the TPS564208
With the WEBENCH® Power Designer
2 Applications
• Digital TV Power Supply
• High Definition Blu-ray™ Disc Players
• Networking Home Terminal
• Digital Set Top Box (STB)
• Surveillance
Simplified Schematic
CBST
VOUT
LO
CO
VIN
TPS564208
1
GND
2
SW
6
VBST
5
EN
3
VIN
4
VFB
CIN
EN
RFB2 RFB1
VOUT
3 Description
The TPS564208 is a simple, easy-to-use, 4-A
synchronous step-down converter in SOT-23
package.
The device is optimized to operate with minimum
external component count and also optimized to
achieve low standby current.
These switch mode power supply (SMPS) devices
employ D-CAP2 mode control providing a fast
transient response and supporting both low-
equivalent series resistance (ESR) output capacitors
such as specialty polymer and ultra-low ESR ceramic
capacitors with no external compensation
components.
The TPS564208 is available in a 6-pin 1.6-mm × 2.9-
mm SOT (DDC) package, and specified from a –40°C
to 125°C junction temperature.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS564208
DDC (6)
1.60 mm × 2.90 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
space
space
space
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0
0.001
TPS564208 Efficiency
0.005
0.02 0.05 0.1 0.2
Output Current (A)
VOUT = 1.05 V
VOUT = 1.5 V
VOUT = 1.8 V
VOUT = 3.3 V
VOUT = 5 V
0.5 1
2 34
D018
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

TPS564208 Datasheet Preview

TPS564208 Datasheet

4-A Synchronous Step-Down Voltage Regulator

No Preview Available !

TPS564208
SLVSDG0B – MARCH 2016 – REVISED DECEMBER 2017
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 .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Typical Characteristics .............................................. 6
7 Detailed Description .............................................. 9
7.1 Overview ................................................................... 9
7.2 Functional Block Diagram ......................................... 9
7.3 Feature Description................................................. 10
7.4 Device Functional Modes........................................ 11
8 Application and Implementation ........................ 12
8.1 Application Information............................................ 12
8.2 Typical Application ................................................. 12
9 Power Supply Recommendations...................... 18
10 Layout................................................................... 19
10.1 Layout Guidelines ................................................. 19
10.2 Layout Example .................................................... 19
11 Device and Documentation Support ................. 20
11.1 Development Support ........................................... 20
11.2 Receiving Notification of Documentation Updates 20
11.3 Community Resources.......................................... 20
11.4 Trademarks ........................................................... 20
11.5 Electrostatic Discharge Caution ............................ 20
11.6 Glossary ................................................................ 20
12 Mechanical, Packaging, and Orderable
Information ........................................................... 21
4 Revision History
Changes from Revision A (October 2017) to Revision B
Page
• Changed the IVIN MAX value From: 780 µA To: 820 µA in the Electrical Characteristics ..................................................... 5
Changes from Original (March 2016) to Revision A
Page
• Added WEBENCH® Designer link to Features ..................................................................................................................... 1
• Changed VFBTH spec MIN from 739 to 745, TYP from 759 to 760, and MAX from 779 to 775 ............................................ 5
• Added Custom Design With WEBENCH® Tools ................................................................................................................. 20
2 Submit Documentation Feedback
Product Folder Links: TPS564208
Copyright © 2016–2017, Texas Instruments Incorporated


Part Number TPS564208
Description 4-A Synchronous Step-Down Voltage Regulator
Maker etcTI
Total Page 29 Pages
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