SNVSBL0A
November 2020 – December 2021
TPS7H4010-SEP
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and 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 Characteristics
6.7
Switching Characteristics
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Synchronous Step-Down Regulator
7.3.2
Auto Mode and FPWM Mode
7.3.3
Fixed-Frequency Peak Current-Mode Control
7.3.4
Adjustable Output Voltage
7.3.5
Enable and UVLO
7.3.6
Internal LDO, VCC_UVLO, and BIAS Input
7.3.7
Soft Start and Voltage Tracking
7.3.8
Adjustable Switching Frequency
7.3.9
Frequency Synchronization and Mode Setting
7.3.10
Internal Compensation and CFF
7.3.11
Bootstrap Capacitor and VBOOT-UVLO
7.3.12
Power-Good and Overvoltage Protection
7.3.13
Overcurrent and Short-Circuit Protection
7.3.14
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Standby Mode
7.4.3
Active Mode
7.4.3.1
CCM Mode
7.4.3.2
DCM Mode
7.4.3.3
PFM Mode
7.4.3.4
Fault Protection 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
Output Voltage Setpoint
8.2.2.2
Switching Frequency
8.2.2.3
Input Capacitors
8.2.2.4
Inductor Selection
8.2.2.5
Output Capacitor Selection
8.2.2.6
Feed-Forward Capacitor
8.2.2.7
Bootstrap Capacitors
8.2.2.8
VCC Capacitor
8.2.2.9
BIAS
8.2.2.10
Soft Start
8.2.2.11
Undervoltage Lockout Setpoint
8.2.2.12
PGOOD
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
Layout For EMI Reduction
10.1.2
Ground Plane
10.1.3
Optimize Thermal Performance
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.2
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Support Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
2
Applications
Space satellite point of load supply for FPGAs, microcontrollers, data converters and ASICs
Communications payload
Command and data handling
Optical imaging payload
Radar imaging payload
Laser communications payload
Navigations payload
Scientific exploration payload