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LX1882

Features: ` Wide Input Voltage: 1.8V to 4.4V` 3.3V and Adjustable (2.5V to 5.5V) Output Voltage Options` Inductor-less design using small ceramic capacitors` Low Shutdown Current of 1A` Internal Thermal Shutdown and Current Limiting` 550kHz Switching OperationApplication· Cellular Telephone VCO Su...

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SeekIC No. : 004403455 Detail

LX1882: Features: ` Wide Input Voltage: 1.8V to 4.4V` 3.3V and Adjustable (2.5V to 5.5V) Output Voltage Options` Inductor-less design using small ceramic capacitors` Low Shutdown Current of 1A` Internal The...

LX1882 Data Sheet

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Part Number:
LX1882
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: 2024/4/18

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Product Details

Description



Features:

` Wide Input Voltage: 1.8V to 4.4V
` 3.3V and Adjustable (2.5V to 5.5V) Output Voltage Options
` Inductor-less design using small ceramic capacitors
` Low Shutdown Current of 1A
` Internal Thermal Shutdown and Current Limiting
` 550kHz Switching Operation


Application

· Cellular Telephone VCO Supplies
· Medical Instrumentation
· Data Acquisition
· Wireless PCMCIA Applications
· EMI Sensitive Boost Applications


Pinout

Connection Diagram


Specifications

VIN to GND...............................................................-0.3V to 5V
VOUT Voltage...........................................................-0.3V to 6V
CPO to Ground................................................................... 10V
SHDN , FILT, FB Voltage to Ground............ -0.3V to (VIN + 0.3V)
VOUT Short Circuit Duration..................................... Indefinite
IOUT...................................................................................90mA
Operating Temperature Range
Commercial ........................................................... 0°C to 70°C
Storage Temperature ...................................... -65°C to 150°C
Lead Temperature (Soldering 10sec)................................300°C
Maximum Junction Temperature........................................125°C
Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to Ground.
Currents are positive into, negative out of specified terminal.


Description

The LX1882 is a two-stage boost regulator featuring a charge pump doubler with an integrated low dropout linear regulator. This configuration allows for a low noise boosted output for powering noise sensitive applications.The first stage features an internal doubler charge pump converting an input supply of 1.8V to 4.4V, while the second stage is an LDO regulating the boosted voltage converting it to a low noise output.

The LX1882 is capable of supplying up to 50mA of output current with an operating current of less than 150A.Quiescent current is reduced to < 5A in shutdown mode.

The LX1882's internal regulator is stable with either Tantalum or Ceramic low-value cpacitors, typically 2.2F on the output,allowing designers flexibility in external component selection.Reliability and safety features include Thermal Shutdown Protection and Integrated Short-Circuit Protection.




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