SLVSCM8D
May 2015 – August 2021
TPS61088
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
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Enable and Start-up
7.3.2
Undervoltage Lockout (UVLO)
7.3.3
Adjustable Switching Frequency
7.3.4
Adjustable Peak Current Limit
7.3.5
Overvoltage Protection
7.3.6
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Operation
7.4.1.1
PWM Mode
7.4.1.2
PFM 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
Custom Design with WEBENCH Tools
8.2.2.2
Setting Switching Frequency
8.2.2.3
Setting Peak Current Limit
8.2.2.4
Setting Output Voltage
8.2.2.5
Inductor Selection
8.2.2.6
Input Capacitor Selection
8.2.2.7
Output Capacitor Selection
8.2.2.8
Loop Stability
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
Device Support
11.1.1
Third-Party Products Disclaimer
11.1.2
Development Support
11.1.2.1
Custom Design with WEBENCH Tools
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RHL|20
MPQF155K
Thermal pad, mechanical data (Package|Pins)
RHL|20
QFND077N
Orderable Information
slvscm8d_oa
slvscm8d_pm
8.2.3
Application Curves
Figure 8-2
Switching Waveforms in CCM
Figure 8-4
Switching Waveforms in PFM Mode
Figure 8-6
Shutdown Waveforms
Figure 8-8
Line Transient (V
OUT
= 9 V, V
IN
= 3.3 to 3.6 V)
Figure 8-3
Switching Waveforms in DCM
Figure 8-5
Startup Waveforms
Figure 8-7
Load Transient (V
OUT
= 9 V, I
OUT
= 1 to 2 A)