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LM3350

Features: ·Conversion of 3.3V to 5V, or 5V to 3.3V·Small Mini SO-8 package·No inductor requiredApplication·Any mixed 5V and 3.3V system·Laptop computers and PDAs·Handheld instrumentation·PCMCIA cardsPinoutSpecificationsIf Military/Aerospace specified devices are required,please contact the Nationa...

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SeekIC No. : 004395261 Detail

LM3350: Features: ·Conversion of 3.3V to 5V, or 5V to 3.3V·Small Mini SO-8 package·No inductor requiredApplication·Any mixed 5V and 3.3V system·Laptop computers and PDAs·Handheld instrumentation·PCMCIA card...

LM3350 Data Sheet

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Part Number:
LM3350
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

·Conversion of 3.3V to 5V, or 5V to 3.3V
·Small Mini SO-8 package
·No inductor required


Application

·Any mixed 5V and 3.3V system
·Laptop computers and PDAs
·Handheld instrumentation
·PCMCIA cards


Pinout

Connection Diagram


Specifications

If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Maximum Input Voltage, Step-Down..................... 5.5V
Maximum Input Voltage, Step-Up ........................3.65V
Power Dissipation (PD) (TA=25°C,(Note 2)).....500 mW
qja (Note 2) ...................................................250°C/W
Tj Max (Note 2).................................................. 150°C
Storage Temperature..................... −65°C to +150°C
Lead Temperature (Soldering, 10secs)...............260°C
ESD Susceptibility (Note 3)..................................... 2kV
Not short circuit protected.


Description

The LM3350 is a CMOS charge-pump voltage converter which efficiently provides a 3.3V to 5V step-up, or 5V to 3.3V step-down. The LM3350 uses four small, low cost capacitors to provide the voltage conversion. It eliminates the cost, size and radiated EMI related to inductor based circuits, or the power loss of a linear regulator. Operating power conversion efficiency greater than 90% provides ideal performance for battery powered portable systems.

The architecture provides a fixed voltage conversion ratio of 3/2 or 2/3. Thus it can be used for other DC-DC conversions as well.




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