SLVSCN9B
December 2014 – June 2020
TPS61175-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
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
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Switching Frequency
7.3.2
Soft Start
7.3.3
Overcurrent Protection
7.3.4
Enable and Thermal Shutdown
7.3.5
Under Voltage Lockout (UVLO)
7.4
Device Functional Modes
7.4.1
Minimum ON Time and Pulse Skipping
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
Determining the Duty Cycle
8.2.2.2
Selecting the Inductor
8.2.2.3
Computing the Maximum Output Current
8.2.2.4
Setting Output Voltage
8.2.2.5
Setting the Switching Frequency
8.2.2.6
Setting the Soft Start Time
8.2.2.7
Selecting the Schottky Diode
8.2.2.8
Selecting the Input and Output Capacitors
8.2.2.9
Compensating the Small Signal Control Loop
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Thermal Considerations
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)
PWP|14
MPDS370A
Thermal pad, mechanical data (Package|Pins)
PWP|14
PPTD393
Orderable Information
slvscn9b_oa
slvscn9b_pm
7.2
Functional Block Diagram