NCP1422 Datasheet | onsemi

features for various battery- operated applications. With all these functions on, the quiescent supply current is typically only 8.5 m A. This device is available in the pact and low profile DFN- 10 package. Features - High Efficiency: 94% for 3.3 V Output at 200 m A from 2.5 V Input 88% for 3.3 V Output at 500 m A from 2.5 V Input - High Switching Frequency, up to 1.2 MHz (not hitting current limit) - Output Current up to 800 m A at VIN = 2.5 V and VOUT = 3.3 V - True- Cutoff Function Reduces Device Shutdown Current to typically 50 n A - Anti- Ringing Ring- Killer for Discontinuous Conduction Mode - High Accuracy Reference Output, 1.20 V $1.5% @ 25C, can Supply 2.5 m A Loading Current when VOUT > 3.3 V - Low Quiescent Current of 8.5 m A - Integrated Low- Battery Detector - Open Drain Low- Battery Detector Output - 1.0 V Startup at No Load Guaranteed - Output Voltage from 1.5 V to 5.0 V Adjustable - 1.5 A Cycle- by- Cycle Current Limit - Multi- Function Logic- Controlled Shutdown Pin - On Chip Thermal Shutdown with Hysteresis - Pb- Free Package is Available- Typical Applications - Personal Digital Assistants (PDA) - Handheld Digital Audio Products - Camcorders and Digital Still Cameras - Hand- held Instruments - Conversion from one to two Alkaline, Ni MH, Ni Cd Battery Cells to 3.0- 5.0 V or one Lithium- ion cells to 5.0 V DFN- 10 MN SUFFIX CASE 485C MARKING DIAGRAM ALYWG 1422 = Device Code A = Assembly Location L = Wafer Lot Y = Year W = Work Week G = Pb- Free Package (Note: Microdot may be in either location) PIN CONNECTIONS FB 1 LBI/EN 2 LBO 3 NC 4 REF 5 DFN- 10 10 OUT 9 NC 8 LX 7 GND 6 BAT (Top View) ORDERING...