OL2385 datasheet(13/85 Pages) NXP

13 / 85 page

OL2385

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Product data sheet

COMPANY PUBLIC

Rev. 1.0 — 15 June 2016

13 of 85

NXP Semiconductors

OL2385

Industrial RF transceiver

[1]

Voltage ranges are given here only for information purpose. Please refer to the electrical characteristics for

detailed voltage range specification.

The external power supply domains with the associated power supply pins are briefly

described in the Table 5.

The package HVQFN has an exposed die pad at the back which is intended as heat sink

and additional ground connection.

The device includes an internal power regulator which can be used to generate a voltage

less than 3.6 V when such a voltage is not available. This regulator utilizes the two supply

pins VDD_5VIN and VDD_3VOUT. The regulator is only on if the device is in power

supply state ACTIVE. In all other power supply states the regulator is off. VDD_5VIN can

be supplied permanently and the input voltage must be greater than 3.6 V.

The application has to ensure that the current drawn from the internal power regulator

does not exceed the maximum limit given in the section electrical characteristics. If this

limit is exceeded all supply voltage pins in the 3 V domain must be connected to an

external voltage regulator. It is not allowed to supply parts of the device with the internal

and other ones with an external 3 V supply.

VDD_DIG, GND_DIG

3 V

Power supply for the digital part.

VDD_5VIN

5 V

Supply voltage input for the internal power regulator. This regulator

generates the required supply voltage for the device’s VDD supply pins

in the 3 V domains.

VDD_3VOUT

3 V

Regulated supply voltage output of the internal power regulator.

Table 5.

External power supply domains

Power supply pin

Voltage range

Description

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