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LP3879

Features: ` Standard output voltage: 1.00V, 1.20V` Custom voltages available from 1.0V to 1.2V (50 mV increments)` Input voltage: 2.5 to 6V` 1% initial output accuracy` Designed for use with low ESR ceramic capacitors` Very low output noise` Sense option improves load regulation` 8 Lead PSOP and L...

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SeekIC No. : 004398827 Detail

LP3879: Features: ` Standard output voltage: 1.00V, 1.20V` Custom voltages available from 1.0V to 1.2V (50 mV increments)` Input voltage: 2.5 to 6V` 1% initial output accuracy` Designed for use with low ESR...

LP3879 Data Sheet

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Part Number:
LP3879
Supply Ability:
5000

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

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Upload time: 2024/4/29

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Product Details

Description



Features:

` Standard output voltage: 1.00V, 1.20V
` Custom voltages available from 1.0V to 1.2V (50 mV increments)
` Input voltage: 2.5 to 6V
` 1% initial output accuracy
` Designed for use with low ESR ceramic capacitors
` Very low output noise
` Sense option improves load regulation
` 8 Lead PSOP and LLP surface mount packages
` <10 A quiescent current in shutdown
` Low ground pin current at all loads
` High peak current capability
` Over-temperature/over-current protection
` -40°C to +125°C junction temperature range




Application

· ASIC Power Supplies In:
- Desktops, Notebooks and Graphic Cards
- Set Top Boxes, Printers and Copiers
· DSP and FPGA Power Supplies
· SMPS Post-Regulator
· Medical Instrument




Pinout

Connection Diagram




Specifications

Storage Temperature Range ............−65°C to +150°C
Operating Junction Temperature
Range ................................................-40°C to +125°C
Lead Temperature (Soldering, 5seconds) ...........260°C
ESD Rating (Note 2) ...............................................2 kV
Shutdown Pin.......................................................... 1kV
Power Dissipation (Note 3)................ Internally Limited
Input Supply Voltage (Survival) ..............−0.3V to +16V
Input Supply Voltage (Typical
Operating).................................................. 2.5V to +6V
SENSE Pin .................................................−0.3V to +6V
Output Voltage (Survival) (Note 4) ...........−0.3V to +6V
IOUT (Survival) Short Circuit
Protected
Input-Output Voltage (Survival)
(Note 5) .................................................−0.3V to +16V

Output Current 800 mA
Output Min 1, 1.2 Volt
Input Min Voltage 2.5 Volt
Input Max Voltage 6 Volt
Dropout Voltage Undefined Volt
Adjustable Output No
Quiescent Current 0.2 mA
PSRR 60 dB
Voltage Noise (rms) 18 uV
On/Off Pin Yes
Error Flag No
RegType LDO
Temperature Min -40 deg C
Temperature Max 125 deg C
Output Voltage 1, 1.2 Volt
Output Max 1, 1.2 Volt
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Description

The LP3879 is a 800 mA fixed-output voltage regulator designed to provide high performance and low noise in applications requiring output voltages between 1.0V and 1.2V.

Using an optimized VIP™ (Vertically Integrated PNP) process, the LP3879 delivers superior performance: Ground Pin Current: Typically 5.5 mA @ 800 mA load, and 200 A @ 100 A load.

Low Power Shutdown: The LP3879 draws less than 10 A quiescent current when shutdown pin is pulled low.

Precision Output: Guaranteed output voltage accuracy is 1% at room temperature.

Low Noise: Broadband output noise is only 18 V (typical) with 10 nF bypass capacitor.






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