SLUSCK3
July 2016
TPS54335-2A
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
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
6.7
Switching Characteristics
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Fixed-Frequency PWM Control
7.3.2
Light-Load Operation
7.3.3
Voltage Reference
7.3.4
Adjusting the Output Voltage
7.3.5
Enabling and Adjusting Undervoltage Lockout
7.3.6
Error Amplifier
7.3.7
Slope Compensation and Output Current
7.3.8
Safe Startup into Pre-Biased Outputs
7.3.9
Bootstrap Voltage (BOOT)
7.3.10
Output Overvoltage Protection (OVP)
7.3.11
Overcurrent Protection
7.3.11.1
High-Side MOSFET Overcurrent Protection
7.3.11.2
Low-Side MOSFET Overcurrent Protection
7.3.12
Thermal Shutdown
7.3.13
Small-Signal Model for Loop Response
7.3.14
Simple Small-Signal Model for Peak Current-Mode Control
7.3.15
Small-Signal Model for Frequency Compensation
7.4
Device Functional Modes
7.4.1
Operation With VI < 4.5 V (minimum VI)
7.4.2
Operation With EN Control
7.4.3
Operation With EN Control
8
Application and Implementation
8.1
Application Information
8.1.1
Supplementary Guidance
8.1.2
The DRC Package
8.2
Typical Applications
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Switching Frequency
8.2.2.2
Output Voltage Set Point
8.2.2.3
Undervoltage Lockout Set Point
8.2.2.4
Input Capacitors
8.2.2.5
Output Filter Components
8.2.2.5.1
Inductor Selection
8.2.2.5.2
Capacitor Selection
8.2.2.6
Compensation Components
8.2.2.7
Bootstrap Capacitor
8.2.2.8
Power Dissipation Estimate
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
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Related Links
11.4
Receiving Notification of Documentation Updates
11.5
Community Resource
11.6
Trademarks
11.7
Electrostatic Discharge Caution
11.8
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DRC|10
MPDS117L
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusck3_oa
4 Revision History
DATE
REVISION
NOTES
July, 2016
*
Initial Release