Microchip TC1044SEOA713, 1-Channel Charge Pump, DC/DC Converter, 20 mA, -1.5/12 V 45 kHz, SOIC 8-Pin

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Verpakkingsopties
RS-stocknr.:
264-8855
Fabrikantnummer:
TC1044SEOA713
Fabrikant:
Microchip
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Merk

Microchip

Regulator Type

Charge Pump

Product Type

DC/DC Converter

Number of Outputs

1

Output Voltage

-1.5/12 V

Switching Frequency

45kHz

Mount Type

Surface

Quiescent Current

20μA

Package Type

SOIC

Output Current

20mA

Pin Count

8

Power Rating

470mW

Output Type

Fixed

Switching Regulator

Yes

Standards/Approvals

RoHS

Length

6.2mm

Height

1.75mm

Series

TC1044S

Width

5 mm

Minimum Operating Temperature

-40°C

Minimum Input Voltage

1.5V

Maximum Operating Temperature

85°C

Maximum Input Voltage

12V

Automotive Standard

No

The Microchip charge pump DC-DC voltage converter is a pin-compatible upgrade to the Industry standard TC7660 charge pump voltage converter. It converts a +1.5V to +12V input to a corresponding –1.5V to –12V output using only two low cost capacitors, eliminating inductors and their associated cost, 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. 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 (with pin 1 open). The TC1044S is available in both 8-pin DIP and 8-pin small outline (SOIC) packages in commercial and extended temperature ranges.

Converts +5V logic supply to ±5V system

Wide input voltage range from 1.5V to 12V

Efficient voltage conversion: 99.9%

Excellent power efficiency: 98%

Low power consumption: 80uA @ VIN = 5V

Low cost and easy to use

Only two external capacitors required

RS-232 negative power supply

Improved ESD protection: Up to 10kV

No external diode required for high voltage operation

Frequency boost raises FOSC to 45kHz

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