SLUSBP9C
SEPTEMBER 2013 – June 2018
TPS53513
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
Efficiency
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
5-V LDO and VREG Start-Up
7.3.2
Enable, Soft Start, and Mode Selection
7.3.3
Frequency Selection
7.3.4
D-CAP3 Control and Mode Selection
7.3.4.1
D-CAP3 Mode
7.3.4.2
Sample and Hold Circuitry
7.3.4.3
Adaptive Zero-Crossing
7.3.5
Power-Good
7.3.6
Current Sense and Overcurrent Protection
7.3.7
Overvoltage and Undervoltage Protection
7.3.8
Out-Of-Bounds Operation
7.3.9
UVLO Protection
7.3.10
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Auto-Skip Eco-mode Light Load Operation
7.4.2
Forced Continuous-Conduction Mode
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
Choose the Switching Frequency
8.2.2.2
Choose the Operation Mode
8.2.2.3
Choose the Inductor
8.2.2.4
Choose the Output Capacitor
8.2.2.5
Determine the Value of R1 and R2
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Thermal Performance
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Custom Design With WEBENCH® Tools
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Community Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RVE|28
MPQF709
Thermal pad, mechanical data (Package|Pins)
RVE|28
QFND366A
Orderable Information
slusbp9c_oa
slusbp9c_pm
10.3
Thermal Performance
T
A
= 23°C, f
SW
= 500 kHz, V
IN
= 12 V, V
OUT
= 1.24 V, I
OUT
= 8 A, R
BOOT
= 0 Ω, SNB = 3 Ω + 470 pF
Inductor: L
OUT
= 1 µH, PIMB103T-1R0MS-63, 10 mm × 11.2 mm × 3 mm, 5.3 mΩ
Figure 57.
SP1: 43℃ (TPS53513), SP2: 35.1℃ (Inductor)