onsemi NCP1411
NCP1411 is a monolithic micropower high frequency Boost (step−up) voltage switching converter IC specially designed for battery operated hand−held electronic products up to 250 mA loading. It integrates Synchronous Rectifier for improving efficiency as well as eliminating the external Schottky Diode. The innovative Ring−Killer circuitry guarantees quiet operation in discontinuous conduction mode.| Part No. | NCP1411 |
|---|---|
| Datasheet | NCP1411 Download |
| Manufacturer |  onsemi |
| Description | Sync-Rect PFM Step-Up DC-DC Converter |
| Buy | Stock & Price |
FEATURES
● Pb−Free Package is Available● High Efficiency, up to 92%
● Very Low Device Quiescent Supply Current of 9.0 mA Typical
● Built−in Synchronous Rectifier (P−FET) Eliminates One External Schottky Diode
● High Switching Frequency (up to 600 kHz) Allows use of Small Size Inductor
● High Accuracy Reference Output, 1.19 V $ 0.6% @ 25°C, can supply more than 2.5 mA when VOUT ≥ 3.3 V
● Ring−Killer for Quiet Operation in Discontinuous Conduction Mode
● 1.0 V Startup at No Load Guaranteed
● Output Voltage from 1.5 V to 5.5 V Adjustable
● Output Current up to 250 mA @ VIN = 2.5 V, VOUT = 3.3 V
● Logic−Controlled Shutdown
● Open Drain Low−Battery Detector Output
● 1.0 A Cycle by Cycle Current Limit
● Low Profile and Minimum External Parts
● Compact Micro8 Package Typical
APPLICATIONS
● Personal Digital Assistant (PDA)● Handheld Digital Audio Product
● Camcorder and Digital Still Camera
● Handheld Instrument
● Conversion from One or Two NiMH or NiCd, or One Li−ion Cell to 3.3 V/5.0 V MAR...
