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LM2664

Features: `Inverts Input Supply Voltage`SOT23-6 Package`12W Typical Output Impedance`91% Typical Conversion Efficiency at 40 mA`1A Typical Shutdown CurrentApplication·Cellular Phones·Pagers·PDAs·Operational Amplifier Power Suppliers·Interface Power Suppliers·Handheld InstrumentsSpecificationsIf Mi...

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SeekIC No. : 004394960 Detail

LM2664: Features: `Inverts Input Supply Voltage`SOT23-6 Package`12W Typical Output Impedance`91% Typical Conversion Efficiency at 40 mA`1A Typical Shutdown CurrentApplication·Cellular Phones·Pagers·PDAs·Ope...

LM2664 Data Sheet

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Part Number:
LM2664
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: 2024/4/26

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Product Details

Description



Features:

`Inverts Input Supply Voltage
`SOT23-6 Package
`12W Typical Output Impedance
`91% Typical Conversion Efficiency at 40 mA
`1A Typical Shutdown Current




Application

·Cellular Phones
·Pagers
·PDAs
·Operational Amplifier Power Suppliers
·Interface Power Suppliers
·Handheld Instruments




Specifications

If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (V+ to GND, or GND to OUT) ..........5.8V
SD ......................................(GND − 0.3V) to (V+ +0.3V)
V+ and OUT Continuous Output Current............. 50 mA
Output Short-Circuit Duration to GND (Note 2) .....1 sec.
Continuous Power............................................600 mW
Dissipation (TA = 25)(Note 3)
TJMax(Note 3) ......................................................150
JA (Note 3) .....................................................210/W
Operating Junction.....................................−40to 85
Temperature Range
Storage Temperature Range ................−65 to +150
Lead Temp. (Soldering, 10 seconds) .....................300
ESD Rating ...............................................................2kV

Output Current 40 mA
Input Min Voltage 1.8 Volt
Input Max Voltage 5.8 Volt
Switching Frequency 160 kHz
On/Off Pin Yes
Efficiency (peak) 91 %
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 85 deg C
Temperature Min -40 deg C
Topology Charge Pump
View Using Catalog





Description

The LM2664 CMOS charge-pump voltage converter inverts a positive voltage in the range of +1.8V to +5.5V to the corresponding negative voltage of −1.8V to −5.5V. The LM2664 uses two low cost capacitors to provide up to 40 mA of output current.

The LM2664 operates at 160 kHz oscillator frequency to reduce output resistance and voltage ripple. With an operating current of only 220 A (operating efficiency greater than 91% with most loads) and 1 A typical shutdown current, the LM2664 provides ideal performance for battery powered systems. The device is in SOT-23-6 package.






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