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LTC660

Features: Simple Conversion of 5V to 5V SupplyOutput Drive: 100mAROUT: 6.5 (0.65V Loss at 100mA)BOOST Pin (Pin 1) for Higher Switching FrequencyInverting and Doubling ModesMinimum Open Circuit Voltage Conversion Efficiency: 99%Typical Power Conversion Efficiency with a 100mA Load: 88%Easy to UseAp...

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SeekIC No. : 004402673 Detail

LTC660: Features: Simple Conversion of 5V to 5V SupplyOutput Drive: 100mAROUT: 6.5 (0.65V Loss at 100mA)BOOST Pin (Pin 1) for Higher Switching FrequencyInverting and Doubling ModesMinimum Open Circuit Volta...

LTC660 Data Sheet

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Part Number:
LTC660
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: 2024/10/27

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Product Details

Description



Features:

 Simple Conversion of 5V to 5V Supply
 Output Drive: 100mA
 ROUT: 6.5 (0.65V Loss at 100mA)
 BOOST Pin (Pin 1) for Higher Switching Frequency
 Inverting and Doubling Modes
 Minimum Open Circuit Voltage Conversion Efficiency: 99%
 Typical Power Conversion Efficiency with a 100mA Load: 88%
 Easy to Use


Application

 Conversion of 5V to ±5V Supplies
 Inexpensive Negative Supplies
 Data Acquisition Systems
High Current Upgrade to LTC1044 or LTC7660


Pinout

Connection Diagram


Specifications

Supply Voltage (V+) ..................................................  6V
Input Voltage on Pins 1, 6, 7
   (Note 2) ............................ 0.3V < VIN < (V+ + 0.3V)
Output Short-Circuit Duration to GND
   (Note 5) .............................................................  1 sec
Power Dissipation..............................................  500mW
Operating Temperature Range ................... 0°C to 70°C
Storage Temperature Range ................ 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C


Description

The LTC®660 is a monolithic CMOS switched-capacitor voltage converter. It performs supply voltage conversion from positive to negative from an input range of 1.5V to 5.5V, resulting in complementary output voltages of 1.5V to 5.5V. It also performs a doubling at an input voltage range of 2.5V to 5.5V, resulting in a doubled output voltage of 5V to 11V. Only two external capacitors are needed for the charge pump and charge reservoir functions.

The converter of LTC660 has an internal oscillator that can be overdriven by an external clock or slowed down when connected to a capacitor. The oscillator runs at a 10kHz frequency when unloaded. A higher frequency outside the audio band can also be obtained if the BOOST pin is tied to V +.

The LTC660 contains an internal oscillator, divide-by-two, voltage level shifter and four power MOSFETs.




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