SLUSDU2A
September 2019 – October 2020
TPS65296
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and 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
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
PWM Operation and D-CAP3 Control
7.3.2
Advanced Eco-mode Control
7.3.3
Soft Start and Prebiased Soft Start
7.3.4
Power Good
7.3.5
Overcurrent Protection and Undervoltage Protection
7.3.6
Overvoltage Protection
7.3.7
UVLO Protection
7.3.8
Output Voltage Discharge
7.3.9
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Light Load Operation for VDD1 Buck and VDD2 Buck
7.4.2
Output State Control
7.4.3
Output Sequence Control
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
External Component Selection
8.2.2.1.1
Inductor Selection
8.2.2.1.2
Output Capacitor Selection
8.2.2.1.3
Input Capacitor Selection
8.2.2.1.4
Bootstrap Capacitor and Resistor Selection
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.2
Support Resources
11.3
Receiving Notification of Documentation Updates
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RJE|18
MPQF488C
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusdu2a_oa
slusdu2a_pm
1
Features
Synchronous buck converter (VDD2)
Input voltage range: 4.5 V to 18 V
Output voltage fixed at 1.1 V
D-CAP3™
mode control for fast transient response
Continual output current: 8 A
Advanced
Eco-mode™
pulse skip
Integrated 22-mΩ / 8.6-mΩ R
DS(on)
internal power switch
600-kHz switching frequency
Internal soft start: 1.6 ms
Cycle-by-cycle overcurrent protection
Latched output OV/UV protections
Synchronous buck converter (VDD1)
Input voltage range: 3 V to 5.5 V
Output voltage fixed at 1.8 V
D-CAP3™
mode control for fast transient response
Continual output current: 1 A
Advanced
Eco-mode™
pulse skip
Integrated 150-mΩ /120-mΩ R
DS(on)
internal power switch
580-kHz switching frequency
Internal soft start: 1 ms
Cycle-by-cycle overcurrent protection
Latched output OV/UV protections
1.5-A LDO (VDDQ)
1.5-A continual output current
Requires only 10 μF of ceramic output capacitor
Support high-Z in S3
±30-mV VDDQ output accuracy (DC+AC)
Low quiescent current: 150 µA
Power good indicator
Output discharge function
Power up and power down sequencing control
Non-latch for OT and UVLO protections
18-pin 3.0-mm × 3.0-mm
HotRod™
VQFN package