NCP1521
NCP1521 is Adjustable Output Voltage Step-Down Converter manufactured by onsemi.
Features
- ă95.3% of Efficiency for 3.3 V Output and 4.2 V Input and 80 m A
Load-Current
- ăSources up to 600 m A
- ă1.5 MHz Switching Frequency
- ăAdjustable Output Voltage from 0.9 V to 3.3 V
- ă30 m A Quiescent Current
- ăSynchronous Rectification for Higher Efficiency
- ă2.7 V to 5.5 V Input Voltage Range
- ăThermal Limit Protection
- ăShutdown Current Consumption of 0.3 m A
- ăShort Circuit Protection
- ăThis is a Pb-Free Device
Typical Applications
- ăCellular Phones, Smart Phones and PDAs
- ăDigital Still/Video Cameras
- ăMP3 Players and Portable Audio Systems
- ăWireless and DSL Modems
- ăPortable Equipment
- ăUSB Powered Devices
VIN CIN
OFF ON
1 VIN LX 5
2 GND
3 EN
FB 4
L COUT
VOUT R1 Cff
R2 http://onsemi.
MARKING DIAGRAM
5 1
TSOP-5 SN SUFFIX CASE 483
DBPAYWG G
DBP = Specific Device Code A = Assembly Location Y = Year W = Work Week G = Pb-Free Package (Note: Microdot may be in either location)
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