SLVSCK4A
September 2015 – May 2016
TPS61235P
,
TPS61236P
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Boost Controller Operation
8.3.2
Soft Start
8.3.3
Enable and Disable
8.3.4
Constant Output Voltage and Constant Output Current Operations
8.3.4.1
Constant Voltage Operation
8.3.4.2
Output Current Monitor
8.3.4.3
Constant Current Operation
8.3.5
Over Current Protection
8.3.6
Load Status Indication
8.3.7
Under voltage Lockout
8.3.8
Over Voltage Protection and Reverse Current Block
8.3.9
Short Circuit Protection
8.3.10
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
PWM Mode
8.4.2
PFM Mode
8.4.3
CV Mode and CC Mode
9
Applications and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
TPS61236P 3-V to 4.35-V Input, 5-V Output Voltage, 3-A Maximum Output Current
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Programming the Output Voltage
9.2.1.2.2
Program the Constant Output Current
9.2.1.2.3
Inductor and Capacitor Selection
9.2.1.2.3.1
Inductor Selection
9.2.1.2.3.2
Output Capacitor Selection
9.2.1.2.3.3
Input Capacitor Selection
9.2.1.2.4
Loop Stability, Feed Forward Capacitor
9.2.1.2.5
INACT Pin Pull-up Resistor
9.2.1.3
TPS61236P 5-V Output Application Curves
9.2.2
TPS61236P 2.3-V to 5-V Input, 5-V 2-A Output Converter
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
TPS61236P 5-V Output Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.3
Thermal Considerations
12
Device and Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Related Links
12.4
Receiving Notification of Documentation Updates
12.5
Community Resources
12.6
Trademarks
12.7
Electrostatic Discharge Caution
12.8
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RWL|9
MPQF425
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsck4a_oa
slvsck4a_pm
5 Device Comparison Table
PART NUMBER
OUTPUT VOLTAGE
TPS61235P
5.1 V
TPS61236P
Adjustable