SLVS821E
May 2008 – May 2019
TPS61087
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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Soft-Start
7.3.2
Frequency Select Pin (FREQ)
7.3.3
Undervoltage Lockout (UVLO)
7.3.4
Thermal Shutdown
7.3.5
Overvoltage Prevention
7.4
Device Functional Modes
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
Inductor Selection
8.2.2.2
Rectifier Diode Selection
8.2.2.3
Setting the Output Voltage
8.2.2.4
Compensation (COMP)
8.2.2.5
Input Capacitor Selection
8.2.2.6
Output Capacitor Selection
8.2.3
Application Curves
8.3
System Examples
8.3.1
General Boost Application Circuits
8.3.2
TFT LCD Application
8.3.3
White LED Applications
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Third-Party Products Disclaimer
11.2
Trademarks
11.3
Electrostatic Discharge Caution
11.4
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DRC|10
MPDS117L
DSC|10
MPDS239E
Thermal pad, mechanical data (Package|Pins)
DRC|10
QFND013N
DSC|10
QFND232J
Orderable Information
slvs821e_oa
slvs821e_pm
8.2.3
Application Curves
Figure 9.
PWM Switching Discontinuous Conduction Mode
Figure 11.
Load Transient Response High Frequency
(1.2 MHz)
Figure 13.
Soft-Start
Figure 10.
PWM Switching Continuous Conduction Mode
Figure 12.
Load Transient Response Low Frequency
(650 kHz)