SLVSE52A
September 2018 – November 2018
TPS61088-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Typical Application Circuit
4
Revision History
5
Description (continued)
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
Enable and Start-up
8.3.2
Undervoltage Lockout (UVLO)
8.3.3
Adjustable Switching Frequency
8.3.4
Adjustable Peak Current Limit
8.3.5
Overvoltage Protection
8.3.6
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Operation
8.4.1.1
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
11.3
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
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)
RHL|20
MPQF155K
Thermal pad, mechanical data (Package|Pins)
RHL|20
QFND077N
Orderable Information
slvse52a_oa
slvse52a_pm
1
Features
AEC-Q100 Qualified for Automotive Applications:
Device Temperature Grade 1: –40°C to +125°C, T
A
Input Voltage Range: 2.7 to 12 V
Output Voltage Range: 4.5 to 12.6 V
10-A Switch Current
Higher than 90% Efficiency at V
IN
= 5 V,
V
OUT
= 9 V, and I
OUT
= 3 A
Mode Selection Between PFM Mode and Forced PWM Mode at Light Load
1-µA Current into VIN Pin during Shutdown
Resistor-Programmable Switch Peak Current Limit
Adjustable Switching Frequency: 200 kHz to 2.2 MHz
Programmable Soft Start
Output Overvoltage Protection at 13.2 V
Cycle-by-Cycle Overcurrent Protection
Thermal Shutdown
4.50-mm × 3.50-mm 20-Pin VQFN Package
Create a Custom Design Using the TPS61088-Q1 with the
WEBENCH Power Designer