LP2985-N Micropower 150mA Low-Noise Ultra-Low-Dropout Regulator | TI.com

LP2985-N
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Micropower 150mA Low-Noise Ultra-Low-Dropout Regulator

Micropower 150mA Low-Noise Ultra-Low-Dropout Regulator - LP2985-N
Datasheet
LP2985-N Micropower 150-mA Low-Noise Ultra-Low-Dropout Regulator in a SOT-23 Package Designed for Use With Very Low ESR Output Capacitors datasheet (Rev. Y)
 

Recommended alternative parts

  • LP2951  -  LP2951 is a wider input (30V), wider Output (up to 29V), 0.1A LDO
  • TPS709  -  TPS709 is an ultralow power (IQ = 1µA), wide Input (30V), 150mA LDO
  • TLV704  -  TLV704 is a low power (IQ = 3.4 µA), low dropout (400mV), 150mA LDO

Description

The LP2985-N low noise linear (LDO) regulator delivers up to 150-mA output current and only requires 300-mV dropout voltage of input to output. Using an optimized vertically integrated PNP (VIP) process, the LP2985-N delivers unequaled performance for all battery-powered designs. The LP2985-N device provides 1% tolerance precision output voltage with only 75-µA quiescent current at 1-mA load and 850 µA at 150-mA load. By adding a 10-nF bypass capacitor, the output noise can be reduced to 30 µVRMS in a 30-kHz bandwidth.

The LP2985-N is designed to work with a ceramic output capacitor with equivalent series resistance (ESR) as low as 5 mΩ. The device is available with fixed output voltage from 2.5 V to 6.1 V. Contact Texas Instrument Sales for specific voltage option needs.

For all available packages, see the orderable addendum at the end of the data sheet.

Features

  • Input Voltage Range: 2.5 V to 16 V
  • Ultra Low-Dropout Voltage
  • Ensured 150 mA Output Current
  • Requires Minimum External Components
  • Stable With Low-ESR Output Capacitor
  • < 1 µA Quiescent Current When Shut Down
  • Low Ground Pin Current at All Loads
  • Output Voltage Accuracy 1% (A Grade)
  • High Peak Current Capability
  • Low ZOUT: 0.3 Ω Typical (10 Hz to 1 MHz)
  • Overtemperature and Overcurrent Protection
  • −40°C to 125°C Junction Temperature Range
  • Custom Voltages Available

WEBENCH® Designer LP2985-N

  Min   Max Range
Vin –  V 3.1 to 16.0V
Product Option
Vout  V
Iout  A ≤ 0.15A
Ambient Temp  °C -40.0 to 125.0°C

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Parametrics

Compare all products in Linear regulators (LDO) Email Download to Excel
Part number Order Output options Iout (Max) (A) Vin (Max) (V) Vin (Min) (V) Vout (Max) (V) Vout (Min) (V) Fixed output options (V) Package Group Features Regulated outputs (#) Operating temperature range (C) Thermal resistance θJA (°C/W) Noise (uVrms) Approx. price (US$) Rating PSRR @ 100 KHz (dB) Accuracy (%) Dropout voltage (Vdo) (Typ) (mV) Iq (Typ) (mA) Package size: mm2:W x L (PKG)
LP2985-N Order now Fixed Output     0.15     16     2.2     6.1     1.8     2.5
2.6
2.7
2.8
2.9
3
3.1
3.2
3.3
3.5
3.6
3.8
4
4.5
5
6.1    		 SOT-23 | 5     Enable     1     -40 to 125     169     30     0.24 | 1ku     Catalog     30     2     280     0.065     5SOT-23: 5 mm2: 1.6 x 2.9 (SOT-23 | 5)    
LP2980-ADJ Order now Adjustable Output     0.05     16     2.5     15     1.2       SOT-23 | 5     Enable     1     -40 to 125     300     160     0.22 | 1ku     Catalog     32     2.5     120     0.065     5SOT-23: 5 mm2: 1.6 x 2.9 (SOT-23 | 5)    
LP2980-N Order now Fixed Output     0.05     16     2.1     5     2.5     2.5
3
3.3
3.8
4.7
5    		 SOT-23 | 5     Enable     1     -40 to 125     175     160     0.22 | 1ku     Catalog     45     3     120     0.065     5SOT-23: 5 mm2: 1.6 x 2.9 (SOT-23 | 5)    
LP2981-N Order now Fixed Output     0.1     16     2.7     5     2.5     2.5
3
3.3
3.6
5    		 SOT-23 | 5     Enable     1     -40 to 125     176     160     0.34 | 1ku     Catalog     41     2     200     0.065     5SOT-23: 5 mm2: 1.6 x 2.9 (SOT-23 | 5)    
LP2985LV-N Order now Fixed Output     0.15