SLVSBF0C
JULY 2012 – April 2019
TPS53015
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Application
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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Drivers
7.3.2
5-Volt Regulator
7.3.3
Soft-Start and Pre-biased Soft-Start Time
7.3.4
Overcurrent Protection
7.3.5
Overvoltage and Undervoltage Protection
7.3.6
UVLO Protection
7.3.7
Thermal Shutdown
7.3.8
Power Good
7.4
Device Functional Modes
7.4.1
PWM Operation
7.4.2
Auto-skip Eco-Mode Control
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
Determine the Inductance Value
8.2.2.2
Output Capacitor
8.2.2.3
Input Capacitor
8.2.2.4
Bootstrap Capacitor
8.2.2.5
VREG5 Capacitor
8.2.2.6
Choose Output Voltage Resistors
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
Trademarks
11.2
Electrostatic Discharge Caution
11.3
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DGS|10
MPDS035C
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsbf0c_oa
slvsbf0c_pm
6.6
Typical Characteristics
V
IN
= 12 V, T
A
= 25°C (unless otherwise noted)
Figure 1.
VIN Supply Current vs Junction Temperature
Figure 3.
EN Input Current vs EN Input Voltage
Figure 5.
Switching Frequency vs Input Voltage
Figure 7.
VFB Voltage vs Ambient Temperature
Figure 9.
Line Regulation
Figure 11.
Start-Up Waveforms
Figure 13.
Light Load Efficiency vs. Output Current
I
OUT
= 50 mA
Figure 15.
Output Voltage Ripple
I
OUT
= 50 mA
Figure 17.
Input Voltage Ripple
Figure 2.
VIN Shutdown Current vs Junction Temperature
Figure 4.
Switching Frequency vs Junction Temperature
Figure 6.
VFB Voltage vs Input Voltage
Figure 8.
Load Regulation
Figure 10.
Transient Response
Figure 12.
Efficiency vs. Output Current
I
OUT
= 8 A
Figure 14.
Output Voltage Ripple
I
OUT
= 8 A
Figure 16.
Input Voltage Ripple