SLVSBZ2A
September 2013 – November 2014
TPS54360-Q1
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
Handling Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
6.7
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
Slope Compensation Output Current
7.3.3
Pulse Skip Eco-Mode™
7.3.4
Low Dropout Operation and Bootstrap Voltage (BOOT)
7.3.5
Error Amplifier
7.3.6
Adjusting the Output Voltage
7.3.7
Enable and Adjusting Undervoltage Lockout
7.3.8
Internal Soft-Start
7.3.9
Constant Switching Frequency and Timing Resistor (RT/CLK) Pin)
7.3.10
Accurate Current Limit Operation and Maximum Switching Frequency
7.3.11
Synchronization to RT/CLK Pin
7.3.12
Overvoltage Protection
7.3.13
Thermal Shutdown
7.3.14
Small Signal Model for Loop Response
7.3.15
Simple Small Signal Model for Peak Current Mode Control
7.3.16
Small Signal Model for Frequency Compensation
7.4
Device Functional Modes
7.4.1
Operation near Minimum VIN (VVIN = < 4.5 V)
7.4.2
Operation with EN Control
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
5-V Output TPS54360-Q1 Design Example
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Selecting the Switching Frequency
8.2.1.2.2
Output Inductor Selection (LO)
8.2.1.2.3
Output Capacitor
8.2.1.2.4
Catch Diode
8.2.1.2.5
Input Capacitor
8.2.1.2.6
Bootstrap Capacitor Selection
8.2.1.2.7
Undervoltage Lockout Set Point
8.2.1.2.8
Output Voltage and Feedback Resistors Selection
8.2.1.2.9
Compensation
8.2.1.2.10
Discontinuous Conduction Mode and Eco-Mode™ Boundary
8.2.1.2.11
Power Dissipation Estimate
8.2.1.3
Application Curves
8.2.2
TPS54360-Q1 Inverting Power Supply
8.2.3
TPS54360-Q1 Split Rail Power Supply
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Estimated Circuit Area
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DDA|8
MPDS092F
Thermal pad, mechanical data (Package|Pins)
DDA|8
PPTD058J
Orderable Information
slvsbz2a_oa
slvsbz2a_pm