Dwayne Reid wrote:

> I use the TC55 series from Telcom (now Microchip).  But - its being
> discontinued and I have not yet investigated alternatives.


Hi Dwayne,

I'm not sure if you have signed up for Microchip's Change Notification
feeds, but this might be of interest to you in terms of TC55 replacements:


From Microchip feed:
--------------------

Alternative Parts:
For those customers using the TC55 in applications where the input voltage
is 6.0V and below, Microchip recommends conversion to the pin-compatible
and function-compatible MCP1700 device.

Examples of how to identify the correct MCP1700 part:

TC55 Part Number  Equivalent MCP1700 Part number
TC55RP5002ECB713  MCP1700T-5002E/TT
TC55RP3302EZB     MCP1700-3302E/TO
TC55RP2502EMB713  MCP1700T-2502E/MB

For those customers using the TC55 in applications where the input voltage
is between 6.0V and 10.0V, Microchip recommends conversion to the MCP1701
device.

Examples of how to identify the correct MCP1701 part:

TC55 Part Number  Equivalent MCP1701 Part Number
TC55RP5002ECB713  MCP1701T-5002I/CB
TC55RP3302EZB     MCP1701-3302I/TO
TC55RP2502EMB713  MCP1701T-2502I/MB

While the MCP170x family is pin and function compatable, suitability in
your design remains the customers responsibility.
Should additional information be required, please contact your authorized
Microchip salesperon.


Best regards,

Ken Pergola

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