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NCP334

ON Semiconductor
Part Number NCP334
Manufacturer ON Semiconductor
Description 2A Ultra-Small Controlled Load Switch
Published Dec 26, 2012
Detailed Description NCP334, NCP335 2A Ultra-Small Controlled Load Switch with Auto-Discharge Path The NCP334 and NCP335 are low Ron MOSFET ...
Datasheet PDF File NCP334 PDF File

NCP334
NCP334


Overview
NCP334, NCP335 2A Ultra-Small Controlled Load Switch with Auto-Discharge Path The NCP334 and NCP335 are low Ron MOSFET controlled by external logic pin, allowing optimization of battery life, and portable device autonomy.
Indeed, due to a current consumption optimization with PMOS structure, leakage currents are eliminated by isolating connected IC’s on the battery when not used.
Output discharge path is also embedded to eliminate residual voltages on the output rail in the NCP335.
Proposed in wide input voltage range from 1.
2 V to 5.
5 V, and a very small 0.
96 x 0.
96 mm WLCSP4, 0.
5 mm pitch.
Features • 1.
2 V – 5.
5 V Operating Range • 47 mW P MOSFET at 3.
3 V • DC Current Up to 2 A • Output Auto−discharge (NCP335) • Active high EN pin • WLCSP4 0.
96 x 0.
96 mm • ESD Ratings: 4 kV Human Body Model, 2 kV CDM, • 250 V Machine Model • These are Pb−Free Devices Typical Applications • Mobile Phones • Tablets • Digital Cameras • GPS • Portable Devices www.
onsemi.
com MARKING DIAGRAM WLCSP4 CASE 567FG 1 XX AYW XX = 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, marking and shipping information in the package dimensions section on page 9 of this data sheet.
© Semiconductor Components Industries, LLC, 2012 August, 2016 − Rev.
2 1 Publication Order Number: NCP334/D NCP334, NCP335 PVIN 8 VOUT B+ U5 A2 IN OUT A1 7 AVIN SW 2 1 2 B2 EN GND B1 EN NCP335 NCP63xy/WDFN8 5 EN FB 4 MODE/PG 6 EN 3 AGND 1 PGND Figure 1.
Typical Application Circuit PIN FUNCTION DESCRIPTION Pin Name Pin Number Type IN A2 POWER GND EN OUT B1 POWER B2 INPUT A1 OUTPUT Description Load−switch input voltage; connect a 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.
Load−switch output; connect a 1 mF ceramic capacitor from OUT to GND as close as possible to the IC is recommende...


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