SNVSBF6B
October 2019 – December 2020
TPSM265R1
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
Typical Characteristics (VIN = 5 V)
6.7
Typical Characteristics (VIN = 12 V)
6.8
Typical Characteristics (VIN = 24 V)
6.9
Typical Characteristics (VIN = 48 V)
6.10
Typical Characteristics (VIN = 65 V)
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Adjustable Output Voltage (FB)
7.3.2
Input Capacitor Selection
7.3.3
Output Capacitor Selection
7.3.4
Precision Enable (EN), Undervoltage Lockout (UVLO), and Hysteresis (HYS)
7.3.5
PFM Operation
7.3.6
Power Good (PGOOD)
7.3.7
Configurable Soft Start (SS)
7.3.7.1
Prebiased Start-up
7.3.8
Overcurrent Protection (OCP)
7.3.9
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Standby Mode
7.4.3
Active Mode
7.4.4
Sleep Mode
8
Applications and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Custom Design With WEBENCH® Tools
8.2.2.2
Output Voltage Setpoint
8.2.2.3
Input Capacitors
8.2.2.4
Output Capacitor Selection
8.2.2.5
UVLO Programming
8.2.2.6
Soft-Start Capacitor – CSS
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.2.1
Theta JA versus PCB Area
10.2.2
Package Specifications
10.2.3
EMI
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.1.2
Development Support
11.1.3
Custom Design With WEBENCH® Tools
11.2
Documentation Support
11.2.1
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
1
Features
Wide input voltage range of 3 V to 65 V
Output voltage options:
Adjustable 1.223 V to 15 V
Fixed 3.3 V or 5 V
100-mA output current
10.5-µA quiescent current
±1% internal voltage reference
PFM mode of operation
–40°C to 125°C ambient temperature range
Active slew rate control for low EMI
Meets CISPR11 (EN55011) EMI standards
Monotonic start-up into prebiased output
Power-good flag
Precision enable and input UVLO with hysteresis
Thermal shutdown protection with hysteresis
2.8-mm x 3.7-mm x 1.9-mm package
Create a custom regulator design with the TPSM265R1 using
WEBENCH®
Power Designer