LM74502 Overview
R2 VS GATE SRC COUT VCAP OV LM74502 GND EN/UVLO ON OFF LM74502 Typical Application Schematic LM74502 as a Load Switch Controller with Overvoltage Protection An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical
LM74502 Key Features
- 3.2-V to 65-V input range (3.9-V start-up) - -65-V input reverse voltage rating - Integrated charge pump to drive
- External back-to-back N-Channel MOSFETs
- External high side switch MOSFET
- External reverse polarity protection MOSFET - Gate drive variants
- LM74502: 60-μA peak gate drive source capacity
- LM74502H: 11-mA peak gate drive source capacity
- 2.3-A peak gate sink current capacity - Enable pin feature - 45-µA typical operating quiescent current (EN/
LM74502 Applications
- Factory automation and control
- PLC digital output modules
- Industrial motor drives - Industrial transport - Power supply reverse polarity protection