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TC962

Part Number	TC962
Manufacturer	Microchip Technology
Description	High Current Charge Pump DC-to-DC Converter
Published	Apr 23, 2005
Detailed Description	M Features • • • • • • • • TC962 General Description The TC962 is an advanced version of the industry standard TC7662 h...
Datasheet	TC962 PDF File

Overview

M Features • • • • • • • • TC962 General Description The TC962 is an advanced version of the industry standard TC7662 high voltage DC-to-DC converter.
Using improved design techniques and CMOS construction, the TC962 can source as much as 80mA versus the 7662’s 20mA capability.
As an inverter, the TC962 can put out voltages as high as 18V and as low as 3V without the need for external diodes.
The output impedance of the device is a low 28Ω (with the proper capacitors), voltage conversion efficiency is 99.
9%, and power conversion efficiency is 97%.
The low voltage terminal (pin 6) required in some TC7662 applications has been eliminated.
Grounding this terminal will double the oscillator frequency from 12kHz to 24kHz.
This will allow the use of smaller capacitors for the same output current and ripple, in most applications.
Only two external capacitors are required for inverter applications.
In the event an external clock is needed to drive the TC962 (such as paralleling), driving this...

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