SLUSDX1A September 2020 – August 2021 TPS563211
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 Advanced Emulated Current Mode Control
- 7.3.2 Mode Selection and PG/SS Pin Function Configuration
- 7.3.3 Power Good (PG)
- 7.3.4 Soft Start and Pre-Biased Soft Start
- 7.3.5 Output Discharge through PG/SS Pin
- 7.3.6 Precise Enable and Adjusting Undervoltage Lockout
- 7.3.7 Overcurrent Limit and Undervoltage Protection
- 7.3.8 Overvoltage Protection
- 7.3.9 Thermal Shutdown
- 7.4 Device Functional Modes
- 8 Application and Implementation
- 9 Power Supply Recommendations
- 10Layout
- 11Device and Documentation Support
- 12Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
- DRL|8
Thermal pad, mechanical data (Package|Pins)
Orderable Information
6.6 Typical Characteristics
VIN = 12 V, TA = 25°C, unless otherwise noted.
Figure 6-1 Quiescent
Current (Eco Mode) vs Junction Temperature
Figure 6-3 Shutdown
Current vs Junction Temperature
Figure 6-5 High-Side
MOSFET On-Resistance vs Junction Temperature
Figure 6-7 VIN UVLO
Threshold vs Junction Temperature
Figure 6-9 High-Side
Current Limit Threshold vs Junction Temperature
Figure 6-11 Switching
Frequency vs Junction Temperature
Figure 6-13 VOUT
= 1.05-V Efficiency, L = 1.5 µH
Figure 6-15 VOUT
= 5-V Efficiency, L = 4.7 µH
Figure 6-2 Quiescent
Current (FCCM) vs Junction Temperature
Figure 6-4 Reference
Voltage vs Junction Temperature
Figure 6-6 Low-Side MOSFET
On-Resistance vs Junction Temperature
Figure 6-8 EN Threshold vs
Junction Temperature
Figure 6-10 Low-Side
Current Limit Threshold vs Junction Temperature
Figure 6-12 Switching
Frequency vs Output Current, VOUT = 3.3 V, L = 3.3 µH
Figure 6-14 VOUT
= 3.3-V Efficiency, L = 3.3 µH
Figure 6-16 VOUT
= 7-V Efficiency, L = 4.7 µH