SLVSES4C September 2019 – June 2021 TPS54J060
PRODUCTION DATA
- 1 Features
- 2 Applications
- 3 Description
- 4 Revision History
- 5 Pin Configuration and Functions
- 6 Specifications
-
7 Detailed Description
- 7.1 Overview
- 7.2 Functional Block Diagram
- 7.3
Feature Description
- 7.3.1 Enable and Internal LDO
- 7.3.2 Split Rail and External LDO
- 7.3.3 Output Voltage Setting
- 7.3.4 Soft Start and Output-Voltage Tracking
- 7.3.5 Frequency and Operation Mode Selection
- 7.3.6 D-CAP3 Control
- 7.3.7 Current Sense and Positive Overcurrent Protection
- 7.3.8 Low-side FET Negative Current Limit
- 7.3.9 Power Good
- 7.3.10 Overvoltage and Undervoltage Protection
- 7.3.11 Out-Of-Bounds Operation (OOB)
- 7.3.12 Output Voltage Discharge
- 7.3.13 UVLO Protection
- 7.3.14 Thermal Shutdown
- 7.4 Device Functional Modes
-
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 Choose the Switching Frequency and Operation Mode (MODE Pin)
- 8.2.2.2 Choose the Output Inductor (L)
- 8.2.2.3 Set the Current Limit (TRIP)
- 8.2.2.4 Choose the Output Capacitors (COUT)
- 8.2.2.5 Choose the Input Capacitors (CIN)
- 8.2.2.6 Feedback Network (FB Pin)
- 8.2.2.7 Soft Start Capacitor (SS/REFIN Pin)
- 8.2.2.8 EN Pin Resistor Divider
- 8.2.2.9 VCC Bypass Capacitor
- 8.2.2.10 BOOT Capacitor
- 8.2.2.11 Series BOOT Resistor and RC Snubber
- 8.2.2.12 PGOOD Pullup Resistor
- 8.2.3 Application Curves
- 9 Power Supply Recommendations
- 10Layout
- 11Device and Documentation Support
- 12Mechanical, Packaging, and Ordering Information
Package Options
Mechanical Data (Package|Pins)
- RPG|14
Thermal pad, mechanical data (Package|Pins)
Orderable Information
6.6 Typical Characteristics
Figure 6-1 High-Side FET
RdsON
Figure 6-3 Overcurrent Limit
Figure 6-5 Enable Voltage
Figure 6-7 VIN UVLO
Figure 6-9 PGOOD Thresholds
Figure 6-11 Zero Crossing Threshold
Figure 6-13 Non-Switching Supply Current
| VOUT = 1.2 V | L = 1 µH | MODE = FCCM |
| VOUT = 2.5 V | L = 0.47 µH | MODE = FCCM |
Figure 6-2 Low-Side FET
RdsON
Figure 6-4 Negative Overcurrent
Limit
Figure 6-6 Vref
Figure 6-8 VCC UVLO
Figure 6-10 PGOOD Sink Current
Figure 6-12 Soft-Start Sourcing
Current
Figure 6-14 Shutdown Supply Current
| VOUT = 1.2 V | L = 1 µH | MODE = FCCM |
| VOUT = 1.2 V | L = 1 µH | MODE = DCM |