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NCP1410

ON
Part Number NCP1410
Manufacturer ON
Description 250 mA Sync-Rect PFM Step-Up DC-DC Converter
Published May 12, 2005
Detailed Description NCP1410 250 mA Sync-Rect PFM Step-Up DC-DC Converter with Low-Battery Detector NCP1410 is a monolithic micropower high ...
Datasheet PDF File NCP1410 PDF File

NCP1410
NCP1410

Overview
NCP1410 250 mA Sync-Rect PFM Step-Up DC-DC Converter with Low-Battery Detector NCP1410 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.
High switching frequency (up to 600 kHz) allows low profile inductor and output capacitor being used.
Low-Battery Detector, Logic-Controlled Shutdown and Cycle-by-Cycle Current Limit provide value-added features for various battery-operated applications.
With all these functions ON, the device quiescent supply current is only 9.
0 mA typical.
This device is available in space saving compact Micro8t package.
Features •ăHigh Efficiency up to 92% •ăVery Low Device Quiescent Supply Current of 9.
0 mA Typical •ăAllows use of Small Size Inductor and Capacitor •ăBuilt-in Synchronous Rectifier (PFET) Eliminates One External Schottky Diode •ăHigh Switching Frequency (up to 600 kHz) Allows Use of Small Size Inductor and Capacitor •ăHigh Accuracy Reference Output, 1.
19 V ± 0.
6% @ 25°C, can supply more than 2.
5 mA when VOUT ≥ 3.
3 V •ă1.
0 V Startup at No Load Guaranteed •ăOutput Voltage from 1.
5 V to 5.
5 V Adjustable •ăOutput Current up to 250 mA @ Vin = 2.
5 V, Vout = 3.
3 V •ăLogic-Controlled Shutdown •ăOpen Drain Low-Battery Detector Output •ă1.
0 A Cycle-by-Cycle Current Limit •ăLow Profile and Minimum External Parts •ăCompact Micro8 Package •ăPb-Free Package is Available Typical Applications •ăPersonal Digital Assistant (PDA) •ăHandheld Digital Audio Product •ăCamcorders and Digital Still Camera •ăHand-held Instrument •ăConversion from One or Two NiMH or NiCd, or One Li-ion Cell to 3.
3 V/5.
0 V http://onsemi.
com MARKING DIAGRAM 8 8 1 Micro8t DM SUFFIX CASE 846A A1 AYWG G 1 A1 = Specific Device Code A = Assembly Location Y = Year W = Work Week G = Pb-Free Package (Note: Microdot may be in either loc...


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