SLUSDX0A
September 2020 – August 2021
TPS562211
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
Recommended Operating Conditions
6.3
ESD Ratings
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
Advanced Emulated Current Mode Control
7.3.2
Mode Selection and PG/SS Pin Function Configuration
7.3.3
Power Good (PG)
7.3.4
Soft Start and Pre-Biased Soft Start
7.3.5
Output Discharge through PG/SS Pin
7.3.6
Precise Enable and Adjusting Undervoltage Lockout
7.3.7
Overcurrent Limit and Undervoltage Protection
7.3.8
Overvoltage Protection
7.3.9
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Active Mode
7.4.3
CCM Operation
7.4.4
FCCM Operation
7.4.5
DCM Operation and Eco-Mode Operation
7.4.6
On-Time Extension for Large Duty Cycle 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 Inductor Selection
8.2.2.4
Output Capacitor Selection
8.2.2.5
Input Capacitor Selection
8.2.2.6
Bootstrap Capacitor Selection
8.2.2.7
Undervoltage Lockout Set Point
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Development Support
11.1.1.1
Custom Design With WEBENCH® Tools
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DRL|8
MPCS002E
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusdx0a_oa
slusdx0a_pm
1
Features
Input voltage: 4.2 V to 18 V
Output voltage: 0.6 V to 7 V
Up to 2-A continuous output current
Minimum switching on time: 45 ns
Maximum duty cycle: 98%
High efficiency
Integrated 66-mΩ and 33-mΩ MOSFETs
Quiescent current 120-μA typical
Highly flexible and easy to use
Selectable Eco-mode or FCCM operation
Selectable power good indicator or external soft start
Precise enable input
High accuracy
Reference voltage accuracy: ±1% (25°C)
Switching frequency tolerance: ±8.5%
Small solution size
Internal compensation for ease of use
SOT583 package
Minimum external components
Cycle-by-cycle current limit for both high-side and low-side MOSFETs
Non-latched OVP, UVP, UVLO, and TSD protections
Create a custom design using TPS562211 with the
WEBENCH
®
Power Designer