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TPS562242 3-V to 17-V Input, 2-A, Synchronous Buck Converters in SOT-563 Package
SLUSEQ4A
december 2022 – may 2023
TPS562242
PRODUCTION DATA
CONTENTS
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TPS562242 3-V to 17-V Input, 2-A, Synchronous Buck Converters in SOT-563 Package
1
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
PWM Operation and D-CAP3™ Control Mode
7.3.2
Eco-mode Control
7.3.3
Soft Start and Prebiased Soft Start
7.3.4
Overvoltage Protection
7.3.5
Large Duty Operation
7.3.6
Current Protection and Undervoltage Protection
7.3.7
Undervoltage Lockout (UVLO) Protection
7.3.8
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Eco-mode Operation
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Custom Design with WEBENCH® Tools
8.2.2.2
Output Voltage Resistors Selection
8.2.2.3
Output Filter Selection
8.2.2.4
Input Capacitor Selection
8.2.2.5
Bootstrap Capacitor Selection
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Development Support
9.1.1.1
Custom Design with WEBENCH® Tools
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DRL|6
MPDS159I
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sluseq4a_oa
sluseq4a_pm
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Full reading width
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Expanded reading width
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Data Sheet
TPS562242
3-V to 17-V Input,
2
-A, Synchronous Buck Converters in SOT-563 Package
1
Features
Configured for a wide range of applications
3-V to 17-V input voltage range
0.8-V to 10-V output voltage range
0.8-V reference voltage
±1% reference accuracy at 25°C
±1.5% reference accuracy at –40°C to 125°C
Integrated 55.0-mΩ and 24.3-mΩ MOSFETs
100-μA low quiescent current
1.4-MHz switching frequency
Maximum 94% large duty cycle operation
Precision EN threshold voltage
1.6-ms fixed typical soft-start time
Ease of use and small solution size
Eco-mode at light loading
Pin-to-pin compatible with the
TPS562202
D-CAP3™
control mode
Support start-up with prebiased output
Non-latch for OV, OT, and UVLO protection
Hiccup mode for UV protection
Cycle-by-cycle OC protection
1.6-mm × 1.6-mm SOT-563 package
Create a custom design using the TPS562242 with the
WEBENCH®
Power Designer
2
Applications
Appliances
,
video recorder
WLAN, Wi-Fi access point
,
modem (cable, DSL, GFAST)
,
small business router
TV
,
STB and DVR