Datasheet

Table Of Contents
TLK100
SLLS931BAUGUST 2009REVISED DECEMBER 2009
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Other power supply options Because the TLK100 incorporates independent voltage regulators,
designers may take advantage of several optional configurations, depending on available power supplies.
See Table 2-1 for these options.
Table 2-1. Power Supply Options
MAC I/F Transformer CT
(1.8V) (1.1V)
(3.3V) (3.3V or 1.8V)
Mode
Regulator Regulators
Voltage Source Voltage Source Voltage Source Voltage Source
(ON/OFF) (ON/OFF)
Single Supply 3.3V from 3.3V from 3.3V from 3.3V from
ON ON
Operation external supply external supply external supply external supply
3.3V from 3.3V from 3.3V from 2.5V from
ON ON
external supply external supply external supply external supply
3.3V from 3.3V from 3.3V from 1.1V from
ON OFF
external supply external supply external supply external supply
3.3V from 3.3V from 2.5V from 3.3V from
ON ON
external supply external supply external supply external supply
3.3V from 3.3V from 2.5V from 2.5V from
ON ON
external supply external supply external supply external supply
3.3V from 3.3V from 2.5V from 1.1V from
ON OFF
external supply external supply external supply external supply
3.3V from 1.8V from 1.8V from 3.3V from
OFF ON
external supply external supply external supply external supply
3.3V from 1.8V from 1.8V from 2.5V from
OFF ON
external supply external supply external supply external supply
Lowest Power 3.3V from 1.8V from 1.8V from 1.1V from
OFF OFF
Consumption external supply external supply external supply external supply
When operating with multiple supplies, it is recommended that the 3.3V supply ramps up at least 200ms
before the 1.8V and 1.1V supplies ramp up.
12 Pin Descriptions Copyright © 2009, Texas Instruments Incorporated
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