SLVSAD5A
July 2010 – August 2015
TPS62120
,
TPS62122
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
Undervoltage Lockout
8.3.2
Enable and Shutdown
8.3.3
Power Good Output
8.3.4
SGND Open-Drain Output
8.3.5
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Soft Start
8.4.2
Main Control Loop
8.4.3
100% Duty Cycle Low-Dropout Operation
8.4.4
Short-Circuit Protection
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
TPS62120 With Open-Drain Output
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Output Voltage Setting
9.2.1.2.2
Output Filter Design (Inductor and Output Capacitor)
9.2.1.2.3
Inductor Selection
9.2.1.2.4
Output Capacitor Selection
9.2.1.2.5
Input Capacitor Selection
9.2.1.2.6
Checking Loop Stability
9.2.1.3
Application Curves
9.2.2
Standard Circuit for TPS62122
9.3
System Examples
9.3.1
TPS62120 1.8-V Output Voltage Configuration
9.3.2
TPS62120 3.06-V Output Voltage Configuration
9.3.3
TPS62122 2.0-V Output Voltage Configuration
9.3.4
TPS62120 1.8-V VOUT Configuration Powered From a High-Impedance Source
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Examples
12
Device and Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.2
Related Links
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DCN|8
MPDS099C
Thermal pad, mechanical data (Package|Pins)
DCN|8
PPTD193B
Orderable Information
slvsad5a_oa
slvsad5a_pm
5 Device Comparison Table
PART NUMBER
ACTIVE DISCHARGE SWITCH
POWER GOOD
V
OUT
TPS62120
(1)
yes
Open-Drain
adjustable
TPS62122
(2)
no
no
adjustable
(1) The DCN package is available in tape on reel. Add R suffix to order quantities of 3000 parts per reel, T suffix for 250 parts per reel.
(2) The DRV package is available in tape on reel. Add R suffix to order quantities of 3000 parts per reel, T suffix for 250 parts per reel.