SLVSFQ6A November 2020 – June 2021 TPS2640
PRODUCTION DATA
- 1 Features
- 2 Applications
- 3 Description
- 4 Revision History
- 5 Device Comparison
- 6 Pin Configuration and Functions
- 7 Specifications
- 8 Parameter Measurement Information
-
9 Detailed Description
- 9.1 Overview
- 9.2 Functional Block Diagram
- 9.3
Feature Description
- 9.3.1 Undervoltage Lockout (UVLO)
- 9.3.2 Overvoltage Protection (OVP)
- 9.3.3 Reverse Input Supply Protection
- 9.3.4 Hot Plug-In and In-Rush Current Control
- 9.3.5 Overload and Short Circuit Protection
- 9.4 Device Functional Modes
-
10Application and Implementation
- 10.1 Application Information
- 10.2 Typical Application
- 10.3 System Examples
- 10.4 Do's and Dont's
- 11Power Supply Recommendations
- 12Layout
- 13Device and Documentation Support
- 14Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
- PWP|16
Orderable Information
7.7 Typical Characteristics
–40°C ≤ TA = TJ ≤ +125°C, V(IN) = 24 V, V(SHDN)= 2 V, R(ILIM) = 120 kΩ, IMON = FLT = OPEN, C(OUT) = 1 μF, C(dVdT) = OPEN (unless stated otherwise).
Figure 7-1 On-Resistance vs
Temperature Across Load Current
Figure 7-3 OVP Threshold Voltage vs
Temperature
Figure 7-5 V(FWDTH) vs
Temperature
Figure 7-7 Internal UVLO Threshold vs
Temperature
Figure 7-9 Input Supply Current vs
Supply Voltage in Shutdown
Figure 7-11 Input
Supply Current vs Reverse Supply Voltage, –
V(IN)
Figure 7-13 OVP Disable Delay vs
Temperature
Figure 7-15 Shutdown Threshold Voltage
Shutdown vs Temperature
Figure 7-17 GAIN(IMON) vs
Temperature
Figure 7-19 Current Limit (%
Normalized) vs Temperature
Figure 7-21 Current Limit for
R(ILIM) = Open and Short vs Temperature
Figure 7-23 Current Limit Accuracy vs
Current Limit, I(OL)
Figure 7-25 Thermal Shutdown Time vs
Power Dissipation
| RILIM = 5.36 kΩ | RFLTb = 100 kΩ |
| RILIM = 5.36 kΩ | RFLTb = 100 kΩ | RLOAD = 24 Ω |
Figure 7-2 UVLO Threshold Voltage vs
Temperature
Figure 7-4 Reverse Voltage Threshold
vs Temperature
Figure 7-6 Internal OVP Threshold vs
Temperature
Figure 7-8 Internal POR Threshold
Voltage vs Temperature
Figure 7-10 Input
Supply Current vs Supply Voltage During Normal
Operation
Figure 7-12 Output
Current vs Reverse Supply Voltage, –
V(IN)
Figure 7-14 Shutdown Entry Delay vs
Temperature
Figure 7-16 Current Monitor Output vs
Output Current
Figure 7-18 Current Limit (%
Normalized) vs Temperature
Figure 7-20 Reverse Voltage Threshold
vs Temperature
Figure 7-22 Circuit Breaker Threshold
Accuracy vs Circuit Breaker Threshold I(CB)
Figure 7-24 UVLO Turnoff Delay vs
Temperature
| ILIM = 5.36 kΩ |
OVP Connected to RTN |
RFLTb = 100 kΩ | RLOAD = 24 Ω |
| RILIM = 5.36 kΩ |
| RILIM = 5.36 kΩ | RFLTb = 100 kΩ | RLOAD = 24 Ω |