SLVSEK3
March 2018
TPS62243-Q1
,
TPS62244-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Typical Application Schematic
Efficiency vs Output Current
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
Pin 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
8.3.3
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Soft Start
8.4.2
Power Save Mode
8.4.2.1
100% Duty Cycle Low Dropout Operation
8.4.3
Short-Circuit Protection
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Output Filter Design (Inductor and Output Capacitor)
9.2.2.1.1
Inductor Selection
9.2.2.1.2
Output Capacitor Selection
9.2.2.1.3
Input Capacitor Selection
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Third-Party Products Disclaimer
12.2
Receiving Notification of Documentation Updates
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
13.1
Package Option Addendum
13.1.1
Packaging Information
13.1.2
Tape and Reel Information
Package Options
Mechanical Data (Package|Pins)
DDC|5
MPDS123G
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsek3_oa
slvsek3_pm
5
Device Comparison Table
PART NUMBER
(1)
FIXED OUTPUT VOLTAGES [V]
OPERATING MODE
TPS62243-Q1
1.80 V
PFM/PWM with automatic transition
TPS62244-Q1
1.25 V
PFM/PWM with automatic transition
(1)
For all available packages, see the orderable addendum at the end of the data sheet.