SLVSDS9E
July 2018 – August 2021
TPS63805
,
TPS63806
,
TPS63807
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Description (continued)
6
Device Comparison Table
7
Pin Configuration and Functions
8
Specifications
8.1
Absolute Maximum Ratings
8.2
ESD Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics
8.6
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Control Loop Description
9.3.2
Precise Device Enable: Threshold- or Delayed Enable
9.3.3
Mode Selection (PFM/PWM)
9.3.4
Undervoltage Lockout (UVLO)
9.3.5
Soft Start
9.3.6
Adjustable Output Voltage
9.3.7
Overtemperature Protection - Thermal Shutdown
9.3.8
Input Overvoltage - Reverse-Boost Protection (IVP)
9.3.9
Output Overvoltage Protection (OVP)
9.3.10
Power-Good Indicator
9.4
Device Functional Modes
9.4.1
Peak-Current Mode Architecture
9.4.1.1
Reverse Current Operation, Negative Current
9.4.1.2
Boost Operation
9.4.1.3
Buck-Boost Operation
9.4.1.4
Buck Operation
9.4.2
Power Save Mode Operation
9.4.2.1
Current Limit Operation
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Custom Design With WEBENCH® Tools
10.2.2.2
Inductor Selection
10.2.2.3
Output Capacitor Selection
10.2.2.4
Input Capacitor Selection
10.2.2.5
Setting The Output Voltage
10.2.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Device Support
13.1.1
Third-Party Products Disclaimer
13.1.2
Development Support
13.1.2.1
Custom Design With WEBENCH® Tools
13.2
Receiving Notification of Documentation Updates
13.3
Support Resources
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
Glossary
14
Mechanical, Packaging, and Orderable Information
8.6
Typical Characteristics
MODE = LOW
V
O
= 3.3 V
I
O
= 0 mA, not switching
Figure 8-1
TPS63805/TPS63807
Quiescent Current vs. Temperature
EN = LOW
Figure 8-3
Shutdown Current vs. Temperature
MODE = LOW
V
O
= 3.3 V
I
O
= 0 mA, not switching
Figure 8-2
Quiescent Current vs. Temperature