onsemi NCP439
The NCP439 is a very low Ron MOSFET controlled by external logic pin, allowing optimization of battery life, and portable device autonomy. This load switch is a best in class in term of RDS(on) optimization at low VIN voltage.| Part No. | NCP439 |
|---|---|
| Datasheet | NCP439 Download |
| Manufacturer |  onsemi |
| Description | 2A Very Low Ron Switches |
| Buy | Stock & Price |
FEATURES
● 1 V – 3.6 V Operating Range● 37 mW P MOSFET at 1.8 V
● DC Current Up to 2 A
● Output Auto−Discharge
● Active High EN Pin
● WLCSP4 0.96 x 0.96 mm
● This is a Pb−Free Device Typical
APPLICATIONS
● Mobile Phones● Tablets
● Digital Cameras
● GPS
● Portable Devices MARKING DIAGRAM WLCSP4 CASE 567FG 1 AY AYW AY = Specific Device Code A = Assembly Location Y = Year W = Wafer Lot PIN DIAGRAM 12 A OUT IN B GND EN (Top View) ORDERING INFORMATION See detailed ordering and shipping information on page 8 of this data sheet. DCDC Converter or LDO ENx A2 IN OUT A1 B2 EN GND B1 EN 0 Figure 1. Typical Application Circuit IC’n © Semiconductor Components Industries, LLC, 2013 August, 2016 − Rev. 1 1 Publication Order Number: NCP439/D NCP439 PIN FUNCTION
DESCRIPTION
Pin Name Pin Number Type IN A2 POWER GND EN OUT B1 POWER B2 INPUT A1 OUTPUTDESCRIPTION
Load−switch input voltage; connect a 0.1 mF or greater ceramic capacitor from IN to GND as close as possible to the IC. Ground connection. Enable input, logic high turns on power switch.
