SLVSEY5C
March 2019 – August 2019
TPS568230
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Typical Application
Efficiency vs Output Current ECO-mode
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
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
Soft Start
7.3.3
Large Duty Operation
7.3.4
Power Good
7.3.5
Over Current Protection and Undervoltage Protection
7.3.6
Over Voltage 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
7.4.2
Advanced Eco-mode Control
7.4.3
Out of Audio Mode
7.4.4
Force CCM Mode
7.4.5
Mode Selection
7.4.6
Standby Operation
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
Output Voltage Set Point
8.2.2.1.2
Inductor Selection
8.2.2.1.3
Output Capacitor Selection
8.2.2.1.4
Input Capacitor 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
Receiving Notification of Documentation Updates
11.3
Community Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RJE|20
MPQG002B
Thermal pad, mechanical data (Package|Pins)
RJE|20
QFND623
Orderable Information
slvsey5c_oa
slvsey5c_pm
6.6
Typical Characteristics
T
J
=-40
o
C to 125
o
C, V
VIN
=12V(unless otherwise noted)
V
EN
= 3.3 V
Figure 1.
Supply Current vs Junction Temperature
1.
Figure 3.
Feedback Voltage vs Junction Temperature
1.
Figure 5.
Enable Off Voltage vs Junction Temperature
1.
Figure 7.
Low-Side R
DS(on)
vs Junction Temperature
1.
Figure 9.
UVP Threshold vs Junction Temperature
1.
Figure 11.
Valley Current Limit vs Junction Temperature
1.
Figure 13.
Efficiency, Eco-mode, F
SW
= 600 kHz
1.
Figure 15.
Efficiency, FCCM, F
SW
= 600 kHz
1.
Figure 17.
Efficiency, OOA-mode, F
SW
= 1 MHz
1.
Figure 19.
Load Regulation, Eco-mode, F
SW
= 600 kHz
1.
Figure 21.
F
SW
Load Regulation, OOA-mode, F
SW
= 600 kHz
1.
Figure 23.
F
SW
Load Regulation, Eco-mode, F
SW
= 800 kHz
1.
Figure 25.
F
SW
Load Regulation, FCCM, F
SW
= 800 kHz
1.
Figure 27.
F
SW
Load Regulation, FCCM, F
SW
= 800 kHz
V
EN
= 0 V
Figure 2.
Shutdown Current vs Temperature
1.
Figure 4.
Enable On Voltage vs Junction Temperature
1.
Figure 6.
High-Side R
DS
(on) vs Junction Temperature
1.
Figure 8.
OVP Threshold vs Junction Temperature
1.
Figure 10.
Discharge Resistor vs Junction Temperature
1.
Figure 12.
Soft-Start Time vs Junction Temperature
1.
Figure 14.
Efficiency, OOA-mode, F
SW
= 600 kHz
1.
Figure 16.
Efficiency, Eco-mode, F
SW
= 1 MHz
1.
Figure 18.
Efficiency, FCCM, F
SW
= 1 MHz
1.
Figure 20.
F
SW
Load Regulation, Eco-mode, F
SW
= 600 kHz
1.
Figure 22.
F
SW
Load Regulation, FCCM, F
SW
= 600 kHz
1.
Figure 24.
F
SW
Load Regulation, OOA-mode, F
SW
= 800 kHz
1.
Figure 26.
F
SW
Load Regulation, FCCM, F
SW
= 600 kHz
1.
Figure 28.
F
SW
Load Regulation, FCCM, F
SW
= 1 MHz