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LM2682

Features: ·Inverts then doubles input supply voltage·Small MSOP-8 package (mini SO-8) and SO-8 package·90W typical output impedance·94% typical power efficiency at 10 mAApplication·LCD contrast biasing·GaAs power amplifier biasing·Interface power supplies·Handheld instrumentation·Laptop computers ...

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SeekIC No. : 004394996 Detail

LM2682: Features: ·Inverts then doubles input supply voltage·Small MSOP-8 package (mini SO-8) and SO-8 package·90W typical output impedance·94% typical power efficiency at 10 mAApplication·LCD contrast bias...

LM2682 Data Sheet

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Part Number:
LM2682
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: 2024/12/21

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Product Details

Description



Features:

·Inverts then doubles input supply voltage
·Small MSOP-8 package (mini SO-8) and SO-8 package
·90W typical output impedance
·94% typical power efficiency at 10 mA




Application

·LCD contrast biasing
·GaAs power amplifier biasing
·Interface power supplies
·Handheld instrumentation
·Laptop computers and PDAs




Specifications

Output Current 10 mA
Input Min Voltage 2 Volt
Input Max Voltage 5.5 Volt
Switching Frequency 6 kHz
On/Off Pin No
Efficiency (peak) 94 %
Error Flag No
Sync Pin No
Adj Switch Frequency No
Adjustable Output No
Inverting Yes
Step-Down No
Step-Up No
Multiple Output Capability No
RegType Switched Capacitor
Temperature Max 70 deg C
Temperature Min -20 deg C
Topology Charge Pump
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If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Voltage (VIN) ............................................+5.8V
VIN dV/dT ........................................................1V/sec
VOUT ................................................................−11.6V
VOUT Short-Circuit Duration .......................Continuous
Storage Temperature ........................−65 to +150
Lead Temperature Soldering ........................... +300
Power Dissipation (Note 2)
MSOP-8.......................................................... 300 mW
SO-8.............................................................. 470 mW
TJMAX ..............................................................+150




Description

The LM2682 is a CMOS charge-pump voltage inverter capable of converting positive voltage in the range of +2.0V to +5.5V to the corresponding doubled negative voltage of −4.0V to −11.0V respectively. The LM2682 uses three low cost capacitors to provide 10 mA of output current without the cost, size, and EMI related to inductor based circuits. With an operating current of only 150 A and an operating efficiency greater than 90% with most loads, the LM2682 provides ideal performance for battery powered systems. The LM2682 offers a switching frequency of 6 kHz.






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