SLVSHC9
January 2024
TPS56A37
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
The Adaptive On-Time Control and PWM Operation
6.3.2
Power Up Sequence
6.3.3
Eco-mode Control Scheme
6.3.4
Soft Start and Prebiased Soft Start
6.3.5
Enable and Adjusting Undervoltage Lockout
6.3.6
Output Overcurrent Limit and Undervoltage Protection
6.3.7
Overvoltage Protection
6.3.8
UVLO Protection
6.3.9
Thermal Shutdown
6.3.10
Output Voltage Discharge
6.3.11
Power Good
6.3.12
Large Duty Operation
6.4
Device Functional Modes
6.4.1
Standby Operation
6.4.2
Light Load Operation
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Output Voltage Resistors Selection
7.2.2.2
Output Filter Selection
7.2.2.3
Input Capacitor Selection
7.2.2.4
Bootstrap Capacitor Selection
7.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Documentation Support
8.1.1
Related Documentation
8.2
Receiving Notification of Documentation Updates
8.3
Support Resources
8.4
Trademarks
8.5
Electrostatic Discharge Caution
8.6
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RPA|10
MPQF515
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvshc9_oa
slvshc9_pm
7.2.3
Application Curves
Figure 7-2
Efficiency
Figure 7-4
Line Regulation
Figure 7-6
Steady State Waveforms, I
OUT
= 0.01A
Figure 7-8
Steady State Waveforms, I
OUT
= 5A
Figure 7-10
Transient Response 0A to 5A
Figure 7-12
Transient Response 1A to 9A
Figure 7-14
Start-Up Relative to V
IN
Figure 7-16
Enable Relative to EN
Figure 7-3
Load Regulation
V
IN
= 24V
V
OUT
= 5V
I
OUT
= 5A
Fsw = 500kHz
Figure 7-5
Bode Plot
Figure 7-7
Steady State Waveforms, I
OUT
= 0.5A
Figure 7-9
Steady State Waveforms, I
OUT
= 10A
Figure 7-11
Transient Response 0A to 10A
Figure 7-13
Transient Response 5A to 10A
Figure 7-15
Shutdown Relative to V
IN
Figure 7-17
Disable Relative to EN