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LP2985

Features: *Ultra low dropout voltage*Guaranteed 150 mA output current*Smallest possible size (SOT-23, micro SMD package)*Requires minimum external components*Stable with low-ESR output capacitor*<1 A quiescent current when shut down*Low ground pin current at all loads*Output voltage accuracy 1%...

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SeekIC No. : 004398718 Detail

LP2985: Features: *Ultra low dropout voltage*Guaranteed 150 mA output current*Smallest possible size (SOT-23, micro SMD package)*Requires minimum external components*Stable with low-ESR output capacitor*<...

LP2985 Data Sheet

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Part Number:
LP2985
Supply Ability:
5000

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Product Details

Description



Features:

*Ultra low dropout voltage
*Guaranteed 150 mA output current
*Smallest possible size (SOT-23, micro SMD package)
*Requires minimum external components
*Stable with low-ESR output capacitor
*<1 A quiescent current when shut down
*Low ground pin current at all loads
*Output voltage accuracy 1% (A Grade)
*High peak current capability
*Wide supply voltage range (16V max)
*Low ZOUT: 0.3. typical (10 Hz to 1 MHz)
*Overtemperature/overcurrent protection
*.40C to +125C junction temperature range
*Custom voltages available




Application

*Cellular Phone
*Palmtop/Laptop Computer
*Personal Digital Assistant (PDA)
* Camcorder, Personal Stereo, Camera




Specifications

Output Current 150 mA
Output Min 4.5, 2.4, 3.5, 2.6, 6.1, 2.7, 3.6, 2.5, 3.2, 3, 3.3, 2.8, 3.8, 4, 2.9, 3.1, 5 Volt
Input Min Voltage 2.5 Volt
Input Max Voltage 16 Volt
Dropout Voltage 0.28 Volt
Adjustable Output No
Quiescent Current 0.065 mA
PSRR 45 dB
Voltage Noise (rms) 30 uV
On/Off Pin Yes
Error Flag No
RegType LDO
Temperature Min -40 deg C
Temperature Max 125 deg C
Output Voltage 4.5, 2.4, 3.5, 2.6, 6.1, 2.7, 3.6, 2.5, 3.2, 3, 3.3, 2.8, 3.8, 4, 2.9, 3.1, 5 Volt
Output Max 4.5, 2.4, 3.5, 2.6, 6.1, 2.7, 3.6, 2.5, 3.2, 3.3, 3, 2.8, 3.8, 2.9, 4, 3.1, 5 Volt
AEC Q-100 Automotive Grade 0
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Description

The LP2985 is a 150 mA, fixed-output voltage regulator designed to provide ultra low-dropout and low noise in battery powered applications.

Using an optimized VIP (Vertically Integrated PNP) process, the LP2985 delivers unequalled performance in all specifications critical to battery-powered designs:

Dropout Voltage: Typically 300 mV @ 150 mA load, and 7 mV @ 1 mA load.

Ground Pin Current: Typically 850 µA @ 150 mA load, and 75 µA @ 1 mA load.

Enhanced Stability: The LP2985 is stable with output capacitor ESR as low as 5 mΩ, which allows the use of ceramic capacitors on the output.

Sleep Mode: Less than 1 µA quiescent current when ON/OFF pin is pulled low.

Smallest Possible Size: SOT-23 and micro SMD packages use absolute minimum board space.

Precision Output: 1% tolerance output voltages available (A grade).

Low Noise: By adding a 10 nF bypass capacitor, output noise can be reduced to 30 µV (typical).

Multiple voltage options, from 2.5V to 5.0V, are available as standard products. Consult factory for custom voltages.

Reliability Metrics

Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
LP2985A-5.0 MDA VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AI1.8 MDA VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AI2.5 MDA VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AI2.5 MWA VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AI2.8 MDC VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AI2.8 MWC VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIBLX-3.3 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIBP-2.5 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIBP-3.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIBP-5.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIBPX-3.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIBPX-5.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5-2.5 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5-2.6 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5-2.7 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5-2.8 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5-2.9 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5-3.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5-3.1 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5-3.2 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5-3.3 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5-3.5 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5-3.6 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5-3.8 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5-4.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5-4.5 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5-5.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5-5.7 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5-6.1 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5X-2.5 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5X-2.6 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5X-2.7 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5X-2.8 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5X-2.9 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5X-3.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5X-3.1 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5X-3.2 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5X-3.3 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5X-3.5 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5X-3.6 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5X-3.8 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5X-4.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5X-4.5 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5X-5.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5X-5.7 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AIM5X-6.1 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AITL-3.3 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AITLX-3.3 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AITP-2.5 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AITP-2.6 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AITP-2.7 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AITP-2.8 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AITP-2.9 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AITP-3.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AITP-3.3 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AITP-5.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AITPX-2.7 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AITPX-2.9 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AITPX-3.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985AITPX-5.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985I-3.0 MDA VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IBPX-3.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IBPX-5.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5-2.5 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5-2.6 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5-2.7 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5-2.8 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5-2.9 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5-3.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5-3.1 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5-3.2 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5-3.3 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5-3.5 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5-3.6 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5-3.8 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5-4.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5-4.5 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5-5.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5-5.7 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5-6.1 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5X-2.5 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5X-2.7 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5X-2.8 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5X-2.9 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5X-3.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5X-3.1 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5X-3.2 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5X-3.3 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5X-3.5 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5X-3.6 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5X-3.8 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5X-4.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5X-4.5 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5X-5.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5X-5.7 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985IM5X-6.1 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985ITL-3.3 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985ITLX-3.3 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985ITP-2.5 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985ITP-2.6 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985ITP-2.7 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985ITP-2.8 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985ITP-2.9 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985ITP-3.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985ITP-3.3 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985ITP-5.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985ITPX-2.7 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985ITPX-2.9 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985ITPX-3.0 VIP1+ 0 21850 0 0 2515000 2 713638117
LP2985ITPX-5.0 VIP1+ 0 21850 0 0 2515000 2 713638117

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

For more information on Reliability Metrics, please click here.


Design Tools

Title Size in Kbytes Date
Power Reference Design Library 0 Kbytes 28-Mar-2006 View

If you have trouble printing or viewing PDF file(s), see Printing Problems.

Application Notes

Title Size in Kbytes Date
AN-1148: Application Note 1148 Linear Regulators: Theory Of Operation and Compensation 200 Kbytes 10-May-04 Download
AN-1148 (Japanese): Application Note 1148 Linear Regulators: Theory Of Operation and Compensation
640){this.height=this.height*640/this.width;this.width=640;}' border="0" alt=" Connection Diagram">		 216 Kbytes
AN-1148 (Chinese): Application Note 1148 Linear Regulators: Theory Of Operation and Compensation
 396 Kbytes 640){this.height=this.height*640/this.width;this.width=640;}' border="0" alt=" Connection Diagram">
AN-1840: Application Note 1840 USB I 2 C Interface Board Reference Manual 2769 Kbytes 30-Apr-08 Download

If you have trouble printing or viewing PDF file(s), see Printing Problems.

More Application Notes

Title Size in Kbytes Date
AN-1482: Application Note 1482 LDO Regulator Stability Using Ceramic Output Capacitors 497 Kbytes 24-May-06 Download
AN-1482 (Japanese): Application Note 1482 LDO Regulator Stability Using Ceramic Output Capacitors
640){this.height=this.height*640/this.width;this.width=640;}' border="0" alt=" Connection Diagram">		 159 Kbytes
AN-1482 (Chinese): Application Note 1482 LDO Regulator Stability Using Ceramic Output Capacitors
 330 Kbytes 640){this.height=this.height*640/this.width;this.width=640;}' border="0" alt=" Connection Diagram">

If you have trouble printing or viewing PDF file(s), see Printing Problems.






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