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LP3985IM5-2.7
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LP3985IM5-2.7

  • Category:Voltage regulator
  • Product Name:150mA low noise micropower, ultra-low dropout CMOS voltage regulator
  • Manufacturers:NSC
  • Production Batch Number:10+11+
  • Encapsulation:SOT23-5
  • Stock Status:There is stock
  • Stock Quantity:16200
  • Minimum order quantity: 1
  • Details:Click here to find pdf information on LP3985IM5-2.7
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  • Product introduction

peculiarity


Micro 5 SMD and SOT-23-5 packages in micro I/O
Logic control enabled
Stable with ceramic and high quality tantalum capacitors
Quick on
Thermal shutdown and short-circuit current limiting

 

illustrate

The LP3985 is designed for portable and wireless applications with demanding performance and space requirements.

The LP3985 is a small 1μF ± 30% ceramic or high quality tantalum output capacitor stable. Micro SMDs require the smallest possible printed circuit board area – the total application circuit area can be less than 2.0 mm x 2.5mm at a fraction of a 1206 size.

The LP3985 is optimized for performance, with a battery-powered system providing ultra-low noise, very low dropout voltage and low quiescent current. The regulator's ground current only slightly increases dropouts, further extending battery life.

An optional external bypass capacitor reduces output noise without slowing down load transient response. Fast start-up time is achieved by utilizing an internal power circuit that actively precharges bypass capacitors.

Power rejection is introduced at low frequencies above 50 dB and begins at 1kHz. High power supply rejection is common for battery-powered circuits to maintain a low input voltage to.

The device is ideal for mobile phones and similar battery-powered wireless applications. It provides up to 150 mA, 2.5V to 6V input. The LP3985 consumes less than 1.5μA and has a fast turn-on time of more than 200μS in disable mode.

The LP3985 is available in a micro SMD with 5 bump small bumps, a micro SMD with 5 bumps with large bumps, a thin micro SMD with 5 bumps and a 5-pin SOT-23 package. Performance over the -40°C to +125°C temperature range of 2.5V, 2.6V, 2.7V, 2.8V, 2.85V, 2.9V, 3.0V. 3.1V, 3.2V, 3.3V, 4.7V, 4.75V, 4.8V and 5.0V output voltages. For other output voltages in 2.5V to 5.0V or a dual LP3985 option, please contact the National Semiconductor Sales Office.

 

Main specifications


2.5 to 6.0V input range
150 mA guaranteed output
50 dB PSRR at 1kHz @V IN = V OUT + 0.2V
Fast start-up time: 200μs typical
A maximum voltage drop of 100mV with a 150mA load
30μVrms Output Noise Over 10Hz to 100kHz (Typical)
-40 to +125 °C junction operating temperature range
2.5V, 2.6V, 2.7V, 2.8V, 2.85V, 2.9V, 3.0V, 3.1V, 3.2V, 3.3V, 4.7V, 4.75V, 4.8V and 5.0V output standards


apply


CDMA cellular handset
Broadband CDMA cellular handsets
GSM cellular handset
Portable information appliances

andLP3985IM5-2.7Related ICs are:


Model Manufacturers lot number encapsulation illustrate
LP3985IM5X-3.0/NOPB NSC 10+11+   Hong Kong spot, imported original
LP3985IM5-4.7/NOPB   10+11+   Hong Kong spot, imported original
LP3985IM5-2.9/NOPB   10+11+   Hong Kong spot, imported original
LP3985IM5-2.8/NOPB   10+11+   Hong Kong spot, imported original
LP3985IM5X-2.8/NOPB   10+11+   Hong Kong spot, imported original
LP3985IM5-3.0/NOPB   10+11+   Hong Kong spot, imported original
LP3985IM5-5.0/NOPB   10+11+   Hong Kong spot, imported original
LP3985IM5-2.5/NOPB   10+11+   Hong Kong spot, imported original
LP3985IM5-3.3/NOPB   10+11+   Hong Kong spot, imported original
LP3985IM5X-3.3/NOPB   10+11+   Hong Kong spot, imported original
LP3985IM5-2.5 NSC 10+11+ SOT23-5 150mA low noise micropower, ultra-low dropout CMOS voltage regulator
LP3985IM5-2.7 NSC 10+11+ SOT23-5 150mA low noise micropower, ultra-low dropout CMOS voltage regulator
LP3985IM5-285 NSC 10+11+ SOT23-5 150mA low noise micropower, ultra-low dropout CMOS voltage regulator
LP3985IM5-3.2 NSC 10+11+ SOT23-5 150mA low noise micropower, ultra-low dropout CMOS voltage regulator
LP3985IM5-3.3 NSC 09+ SOT23-5 Micro 150 mA low noise ultra-low dropout regulator
LP3985IM5-2.8 NSC 10+ SOT23-5 Micro 150 mA low noise ultra-low dropout regulator
LP3985IM5-3.0 NSC 05+ SOT23-5 Brand new original
LP3985IM5X-4.7 AMD 0640+ BGA  
LP3985IM5X-5.0 NXP 0721+ SOP20  
LM3985IM5X-4.7 NSC 08+ SOT-235  

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