SLVSB07A
July 2011 – March 2018
TPS61256A
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Smallest Solution Size Application
Efficiency vs. Load Current
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
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Softstart
8.3
Undervoltage Lockout
8.4
Thermal Regulation
8.5
Thermal Shutdown
8.6
Functional Block Diagram
8.7
Feature Description
8.7.1
Power-Save Mode
8.7.2
Current Limit Operation
8.7.3
Enable
8.7.4
Load Disconnect And Reverse Current Protection
8.8
Device Functional Modes
8.8.1
Load Disconnect And Reverse Current Protection
8.8.2
Softstart
8.8.3
Undervoltage Lockout
8.8.4
Thermal Regulation
8.8.5
Thermal Shutdown
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
Inductor Selection
9.2.2.1.1
High-frequency Converter Applications
9.2.2.2
Output Capacitor
9.2.2.3
Input Capacitor
9.2.2.4
Checking Loop Stability
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.3
Thermal Information
12
Package Summary
12.1
Package Dimensions
13
Device and Documentation Support
13.1
Device Support
13.1.1
Third-Party Products Disclaimer
13.2
Receiving Notification of Documentation Updates
13.3
Community Resources
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
YFF|9
MXBG144B
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsb07a_oa
slvsb07a_pm
1
Features
93% Efficiency at 3.5MHz Operation
36µA Quiescent Current
Wide V
IN
Range From 2.5V to 5.5V
I
OUT
≥1000mA at V
OUT
= 5.0V, V
IN
≥3.3V
±2% Total DC Voltage Accuracy
Light-Load PFM Mode
True Load Disconnect During Shutdown
Thermal Shutdown and Overload Protection
Only Three Surface-Mount External Components Required
Total Solution Size <35mm
2
9-Pin NanoFree
TM
(CSP) Packaging