LP38842-ADJ

Features: Ideal for conversion from 1.8V or 1.5V inputsDesigned for use with low ESR ceramic capacitorsUltra low dropout voltage (115mV @ 1.5A typ)0.56V to 1.5V adjustable output rangeLoad regulation of 0.1%/A (typ)30nA quiescent current in shutdown (typ)Low ground pin current at all loadsOver tem...

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SeekIC No. : 004398834 Detail

LP38842-ADJ: Features: Ideal for conversion from 1.8V or 1.5V inputsDesigned for use with low ESR ceramic capacitorsUltra low dropout voltage (115mV @ 1.5A typ)0.56V to 1.5V adjustable output rangeLoad regulatio...

floor Price/Ceiling Price

Part Number:
LP38842-ADJ
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: 2024/12/22

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Product Details

Description



Features:

Ideal for conversion from 1.8V or 1.5V inputs
Designed for use with low ESR ceramic capacitors
Ultra low dropout voltage (115mV @ 1.5A typ)
0.56V to 1.5V adjustable output range
Load regulation of 0.1%/A (typ)
30nA quiescent current in shutdown (typ)
Low ground pin current at all loads
Over temperature/over current protection
Available in 8 lead PSOP package
−40°C to +125°C junction temperature range
UVLO disables output when VBIAS < 3.8V



Application

ASIC Power Supplies In:
Desktops, Notebooks, and Graphics Cards, Servers
Gaming Set Top Boxes, Printers and Copiers
Server Core and I/O Supplies
DSP and FPGA Power Supplies
SMPS Post-Regulators



Pinout

  Connection Diagram


Specifications

Lead Temp. (Soldering, 5 seconds)

260°C

Storage Temperature
-65°C to +150°C
ESD Rating
Human Body Model (Note 3)
Machine Model (Note 9)
2 kV
200V
Power Dissipation (Note 11)
Internally limited
VIN Supply Voltage (Survival)
−0.3V to +6V
VBIAS Supply Voltage (Survival)
−0.3V to +7V
Shutdown Input Voltage (Survival)
−0.3V to +7V
VADJ
-0.3V to +6V
IOUT (Survival)
Internally Limited
Output Voltage (Survival)
−0.3V to +6V
Junction Temperature
−40°C to +150°C



Description

The LP38842-ADJ is a high current, fast response regulator which can maintain output voltage regulation with minimum input to output voltage drop. Fabricated on a CMOS process, the device operates from two input voltages: Vbias provides voltage to drive the gate of the N-MOS power transistor, while Vin is the input voltage which supplies power to the load. The use of an external bias rail allows the part to operate from ultra low Vin voltages. Unlike bipolar regulators, the CMOS architecture consumes extremely low quiescent current at any output load current. The use of an N-MOS power transistor results in wide bandwidth, yet minimum external capacitance is required to maintain loop stability.

The fast transient response of these devices makes them suitable for use in powering DSP, Microcontroller Core voltages and Switch Mode Power Supply post regulators. The parts are available in the PSOP package.




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