SLVSAG3A
September 2010 – December 2014
TPS61252
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Typical Application Schematic
5
Revision History
6
Device Options
7
Pin Configuration and Functions
8
Specifications
8.1
Absolute Maximum Ratings
8.2
ESD Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics
8.6
Typical Characteristics
9
Parameter Measurement Information
10
Detailed Description
10.1
Overview
10.2
Functional Block Diagram
10.3
Feature Description
10.3.1
Operation
10.3.2
Current Limit Operation
10.3.3
Softstart
10.3.4
Enable
10.3.5
Under-Voltage Lockout (UVLO)
10.3.6
Power Good
10.3.7
Input Over Voltage Protection
10.3.8
Load Disconnect and Reverse Current Protection
10.3.9
Thermal Regulation
10.3.10
Thermal Shutdown
10.4
Device Functional Modes
10.4.1
Power Save Mode
10.4.2
100% Duty-Cycle Mode
11
Application and Implementation
11.1
Application Information
11.2
Typical Application
11.2.1
Design Requirements
11.2.2
Detailed Design Procedure
11.2.2.1
Output Voltage Setting
11.2.2.2
Input Current Limit
11.2.2.3
Maximum Output Current
11.2.2.4
Inductor Selection
11.2.2.5
Output Capacitor
11.2.2.6
Input Capacitor
11.2.2.7
Checking Loop Stability
11.2.3
Application Curves
12
Power Supply Recommendations
13
Layout
13.1
Layout Guidelines
13.2
Layout Example
13.3
Thermal Considerations
14
Device and Documentation Support
14.1
Device Support
14.1.1
Third-Party Products Disclaimer
14.2
Trademarks
14.3
Electrostatic Discharge Caution
14.4
Glossary
15
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ（パッケージ｜ピン）
DSG|8
MPDS308C
サーマルパッド・メカニカル・データ
DSG|8
QFND141I
6 Device Options
T
A
OUTPUT VOLTAGE
(1)
PACKAGE MARKING
PACKAGE
PART NUMBER
(2)
–40°C to 85°C
Adjustable
QTI
8-Pin
SON
TPS61252DSG
(1) Contact TI for other fixed output voltage options
(2) For detailed ordering information please check the
Mechanical, Packaging, and Orderable Information
.