LP2978

Features: Ultra low dropout voltageSmallest possible size (SOT-23 Package)Requires minimum external componentsStable with low-ESR output capacitor<1 A quiescent current when shut downLow ground pin current at all loadsOutput voltage accuracy 1% (A Grade)High peak current capabilityWide supply v...

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SeekIC No. : 004398692 Detail

LP2978: Features: Ultra low dropout voltageSmallest possible size (SOT-23 Package)Requires minimum external componentsStable with low-ESR output capacitor<1 A quiescent current when shut downLow ground p...

floor Price/Ceiling Price

Part Number:
LP2978
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2020/4/6

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Product Details

Description



Features:

Ultra low dropout voltage
Smallest possible size (SOT-23 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: 0.3W typical (10 Hz to 1 MHz)
Overtemperature/overcurrent protection
−40°C to +125°C junction temperature range
Custom voltages available





Application

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





Specifications

Storage Temperature Range −65°C to +150°C
Operating Junction Temperature Range −40°C to +125°C
Lead Temp. (Soldering, 5 sec.) 260°C
ESD Rating (Note 2) 2 kV
Power Dissipation (Note 3) Internally Limited
Input Supply Voltage (Survival)−0.3V to +16V
Input Supply Voltage (Operating) 2.5V to +16V
Shutdown Input Voltage (Survival) −0.3V to +16V
Output Voltage (Survival, (Note 4)) −0.3V to +9V
IOUT (Survival)Short Circuit
Protected
Input-Output Voltage(Survival,(Note 5)) −0.3V to +16V






Description

The LP2978 is a 50 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 LP2978 delivers unequalled performance in all specifications critical to battery-powered designs:

Dropout Voltage: Typically 120 mV @ 50 mAload, and 7 mV @ 1 mA load.

Ground Pin Current: Typically 350 A @ 50 mA load, and 75 A @ 1 mA load.

Enhanced Stability: The LP2978 is stable with output capacitor ESR as low as 5 mW, which allows the use of ceramic capacitors on the output.

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

Smallest Possible Size: SOT-23 package uses 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 V (typical).






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