SLVSBB4G
August 2012 – June 2018
TPS54360
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
Efficiency vs Load Current
4
Revision History
5
Pin Configuration and Functions
Pin 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
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) Terminal)
7.3.10
Accurate Current Limit Operation and Maximum Switching Frequency
7.3.11
Synchronization to RT/CLK Terminal
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 with VIN = < 4.5 V (Minimum VIN)
7.4.2
Operation with EN Control
7.4.3
Alternate Power Supply Topologies
7.4.3.1
Inverting Power
7.4.3.2
Split-Rail Power Supply
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
Selecting the Switching Frequency
8.2.2.3
Output Inductor Selection (LO)
8.2.2.4
Output Capacitor
8.2.2.5
Catch Diode
8.2.2.6
Input Capacitor
8.2.2.7
Bootstrap Capacitor Selection
8.2.2.8
Undervoltage Lockout Set Point
8.2.2.9
Output Voltage and Feedback Resistors Selection
8.2.2.10
Minimum VIN
8.2.2.11
Compensation
8.2.2.12
Discontinuous Conduction Mode and Eco-mode Boundary
8.2.2.13
Power Dissipation Estimate
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.2.1
Estimated Circuit Area
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Custom Design with WEBENCH® Tools
11.2
Receiving Notification of Documentation Updates
11.3
Community Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DDA|8
MPDS092F
Thermal pad, mechanical data (Package|Pins)
DDA|8
PPTD058I
Orderable Information
slvsbb4g_oa
slvsbb4g_pm
11
Device and Documentation Support