SNOSDE8A July 2023 – September 2023 LM74912-Q1
PRODUCTION DATA
- 1
- 1 Features
- 2 Applications
- 3 Description
- 4 Revision History
- 5 Pin Configuration and Functions
- 6 Specifications
- 7 Parameter Measurement Information
-
8 Detailed Description
- 8.1 Overview
- 8.2 Functional Block Diagram
- 8.3 Feature Description
- 8.4 Device Functional Modes
-
9 Applications and Implementation
- 9.1 Application Information
- 9.2
Typical 12-V Reverse Battery Protection Application
- 9.2.1 Design Requirements for 12-V Battery Protection
- 9.2.2 Automotive Reverse Battery Protection
- 9.2.3 Detailed Design Procedure
- 9.2.4 MOSFET Selection: Blocking MOSFET Q1
- 9.2.5 MOSFET Selection: Hot-Swap MOSFET Q2
- 9.2.6 TVS Selection
- 9.2.7 Application Curves
- 9.3 Best Design Practices
- 9.4 Power Supply Recommendations
- 9.5 Layout
- 10Device and Documentation Support
- 11Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
- RGE|24
Thermal pad, mechanical data (Package|Pins)
- RGE|24
Orderable Information
6.7 Typical Characteristics
Figure 6-1 Operating Quiescent Current vs Supply Voltage
Figure 6-3 SLEEP Mode Current vs Supply Voltage
A.
Figure 6-5 Charge Pump V-I Characteristics at VS ≥ 12 V
A.
Figure 6-7 HGATE Drive Voltage vs Supply Voltage
A.
Figure 6-9 UVLO Thresholds vs Temperature
A.
Figure 6-11 Charge Pump UVLO Threshold vs Temperature
Figure 6-13 ISCP Bias Current vs Temperature
Figure 6-15 VS POR Threshold vs Temperature
Figure 6-17 DGATE Turn On Delay During Forward Conduction
Figure 6-19 HGATE Turn OFF Delay During Short Circuit
Figure 6-2 Shutdown Current vs Supply Voltage
A.
Figure 6-4 Charge Pump Current vs Supply Voltage at CAP – VS ≥ 6 V
A.
Figure 6-6 DGATE Drive Voltage vs Supply Voltage
A.
Figure 6-8 ANODE Leakage Current vs Reverse ANODE Voltage
A.
Figure 6-10 OVP Thresholds vs Temperature
Figure 6-12 CS+ to ISCP Comparator Threshold vs Temperature
A.
Figure 6-14 VA POR Threshold vs Temperature
Figure 6-16 DGATE Turn OFF Delay
Figure 6-18 HGATE Turn OFF Delay During Overvoltage
A.
Figure 6-20 Short Circuit Detection Enable Threshold Voltage (HGATE-OUT)