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
1
Features
D-CAP2™ mode control
Fast transient response
No external parts required for loop compensation
Compatible with ceramic output capacitors
High initial reference accuracy (±1%)
Wide input voltage 4.5 V to 28 V
Output voltage 0.77 V to 7 V
Low-side R
DS(on)
Loss-less current sensing
Fixed soft-start time:
1.4 ms
Non-sinking pre-biased soft start
Switching frequency: 500 kHz
Cycle-by-cycle overcurrent limiting control
Auto-Skip Eco-Mode™ for high efficiency at light load
Power-good output
OCL/OVP/UVP/UVLO/TSD protections
Adaptive gate drivers with integrated boost PMOS switch
Thermally compensated OCP, 4000 ppm/°C
10-Pin VSSOP