NCP336, NCP337 Controlled Load Switch with Auto-Discharge Path, 3 A Description The NCP336 and NCP337 are very low Ron MOSFET controlled by external logic pin, allowing optimization of battery life, and NCP336, NCP337 Table 1. PIN FUNCTION DESCRIPTION Pin Name Pin Number Type Description IN A2, B2 POWER Loadswitch input voltage connect a 1 F or greater ceramic capacitor from IN to GND as close as possible to the IC. GND C1 POWER Ground connection. EN C2 INPUT Enable input, logic high turns on power switch. OUT A1, B1 OUTPUT Loadswitch output connect a 1 F ceramic capacitor from OUT to GND as close as possible to the IC is recommended. Figure 2. Block Diagram