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NCP3985SN33T1G Datasheet(PDF) 1 Page - ON Semiconductor |
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NCP3985SN33T1G Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 10 page © Semiconductor Components Industries, LLC, 2008 April, 2008 - Rev. 1 1 Publication Order Number: NCP3985/D NCP3985 Micropower, 150 mA Low-Noise, High PSRR, Ultra-Low Dropout BiCMOS Voltage Regulator The NCP3985 is 150 mA LDO that provides the engineer with a very stable, accurate voltage with low noise and high Power Supply Rejection Ratio (PSRR) suitable for sensitive applications. In order to optimize performance for battery operated portable applications, the NCP3985 employs an advanced BiCMOS process to combine the benefits of low noise and superior dynamic performance of bipolar elements with very low ground current consumption at full loads offered by CMOS. The NCP3985 is stable with small, low value capacitors and is available in TSOP-5 package. Features • Output Voltage Options: - 1.8 V, 2.5 V, 2.75 V, 2.8 V, 3.0 V, 3.3 V - Contact Factory for Other Voltage Options • Output Current Limit 200 mA • Low Noise (typ 20 mVrms) • High PSRR (typ 70 dB) • Stable with Ceramic Output Capacitors as low as 1 mF • Low Sleep Mode Current (max 1 mA) • Active Discharge Circuit • Current Limit Protection • Thermal Shutdown Protection • Direct Replacement for LP3985 • These are Pb-Free Devices Typical Applications • Cellular Telephones • Noise Sensitive Applications (Video, Audio) • Analog Power Supplies • PDAs / Palmtops / Organizers / GPS • Battery Supplied Devices NCP3985 CE GND Figure 1. Typical Application Schematic Vin Vout Cin Cout Cnoise Vin Vout Cnoise http://onsemi.com MARKING DIAGRAM See detailed ordering, marking and shipping information in the package dimensions section on page 9 of this data sheet. ORDERING INFORMATION (Note: Microdot may be in either location) Cnoise Vout GND Vin CE PIN ASSIGNMENT (Top View) XXX = Specific Device Code A = Assembly Location Y = Year W = Work Week G = Pb-Free Package 1 5 XXXAYW G G 1 5 TSOP-5 SN SUFFIX CASE 483 |
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