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TC1044SCPA

DC/DC Adjustable Charge Pump Voltage Converter, 1.5V to 12V in, -12V to -1.5V/20 mA out, DIP-8

MICROCHIP TC1044SCPA

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Manufacturer:
MICROCHIP MICROCHIP
Manufacturer Part No:
TC1044SCPA
Order Code:
1196840
Technical Datasheet:
TC1044SCPA   Datasheet
See all Technical Docs

Product Overview

The TC1044SCPA is a DC-to-DC charge-pump Voltage Converter converts a 1.5 to 12V input to a corresponding -1.5 to -12V output using only two low cost capacitors, eliminating inductors and its associated size and EMI. Added features include an extended supply range to 12V and a frequency boost pin for higher operating frequency, allowing the use of smaller external capacitors. It is pin-compatible upgrade to the Industry standard TC7660 charge-pump voltage converter. The on-board oscillator operates at a nominal frequency of 10kHz. Frequency is increased to 45kHz when pin 1 is connected to V+. Operation below 10kHz (for lower supply current applications) is possible by connecting an external capacitor from OSC to ground.
  • Easy to use - Only two external capacitors required
  • No external diode required for high voltage operation
  • RS-232 Negative power supply
  • Converts 5V logic supply to ±5V system
  • 99.9% Efficient voltage conversion
  • 98% Excellent power efficiency
  • 80µA at VIN = 5V Low power consumption
  • Up to 10kV improved ESD protection
  • No external diode required for high voltage operation
  • Frequency boost raises FOSC to 45kHz

Applications

Industrial, Power Management

Warnings

Do not exceed maximum supply voltages. Do not short circuit the output to V+ supply for voltages above 5.5V for extended periods, however, transient conditions including start-up are okay.

Product Information

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:
Adjustable

:
1.5V

:
12V

:
DIP

:
8Pins

:
20mA

:
-

:
-12V

:
-1.5V

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Inverting

:
70°C

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-

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-

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-
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Technical Docs (3)

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