SLVS843B
December 2008 – May 2018
TPS650250
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Detailed Block Diagram
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
Dissipation Ratings
6.6
Electrical Characteristics
6.7
Electrical Characteristics VDCDC1
6.8
Electrical Characteristics VDCDC2
6.9
Electrical Characteristics VDCDC3
6.10
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Step-Down Converters, VDCDC1, VDCDC2 AND VDCDC3
7.3.2
Power Save Mode Operation
7.3.3
Soft Start
7.3.4
100% Duty Cycle Low Dropout Operation
7.3.5
Low Dropout Voltage Regulators
7.3.6
Undervoltage Lockout
7.3.7
PWRFAIL
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Typical Configuration For The Samsung Processor S3C6400-533MHz
8.2.2
Design Requirements
8.2.3
Detailed Design Procedure
8.2.3.1
Inductor Selection for the DCDC Converters
8.2.3.2
Output Capacitor Selection
8.2.3.3
Input Capacitor Selection
8.2.3.4
Output Voltage Selection
8.2.3.5
Voltage Change on VDCDC3
8.2.3.6
Vdd_alive Output
8.2.3.7
LDO1 and LDO2
8.2.3.8
Vcc-Filter
8.2.4
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.1.2
Development Support
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Community Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RHB|32
MPQF130D
Thermal pad, mechanical data (Package|Pins)
RHB|32
QFND029X
Orderable Information
slvs843b_oa
slvs843b_pm
7.3
Feature Description