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TPS61089x 12.6-V, 7-A Fully-Integrated Synchronous Boost Converters in 2.0-mm x 2.5-mm VQFN Package
SLVSD38C
November 2015 – August 2021
TPS61089
PRODMIX
CONTENTS
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TPS61089x 12.6-V, 7-A Fully-Integrated Synchronous Boost Converters in 2.0-mm x 2.5-mm VQFN Package
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 (UVLO)
8.3.2
Enable and Disable
8.3.3
Soft Start
8.3.4
Adjustable Switching Frequency
8.3.5
Adjustable Peak Current Limit
8.3.6
Overvoltage Protection
8.3.7
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Operation
8.4.1.1
Forced PWM Mode
8.4.1.2
PFM Mode
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
Custom Design With WEBENCH® Tools
9.2.2.2
Setting Switching Frequency
9.2.2.3
Setting Peak Current Limit
9.2.2.4
Setting Output Voltage
9.2.2.5
Inductor Selection
9.2.2.6
Input Capacitor Selection
9.2.2.7
Output Capacitor Selection
9.2.2.8
Loop Stability
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.2.1
Thermal Considerations
12
Device and Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.1.2
Development Support
12.1.2.1
Custom Design With WEBENCH® Tools
12.2
Receiving Notification of Documentation Updates
12.3
Support Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
RNR|11
MPQF447
Thermal pad, mechanical data (Package|Pins)
Orderable Information
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DATA SHEET
TPS61089x 12.6-V, 7-A Fully-Integrated Synchronous Boost Converters in 2.0-mm x 2.5-mm VQFN Package
1
Features
Input voltage range: 2.7 V to 12 V
Output voltage range: 4.5 V to 12.6 V
Up to 90% efficiency at V
IN
= 3.3 V, V
OUT
= 9 V, and I
OUT
= 2 A
Resistor-programmable peak current limit up to 10 A for high pulse current
Adjustable switching frequency: 200 kHz to 2.2 MHz
4-ms built-in soft start time
PFM operation mode at light load (TPS61089)
Forced PWM operation mode at light load (TPS610891)
Internal output overvoltage protection at 13.2 V
Cycle-by-cycle overcurrent protection
Thermal shutdown
2.00-mm × 2.50-mm VQFN
HotRod™
package
Create a custom design using the TPS61089x with the
WEBENCH®
Power Designer