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LLCC68 Datasheet(PDF) 32 Page - Semtech Corporation

Part # LLCC68
Description  Long Range, Low Power, sub-GHz RF Transceiver
PDF  111 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

LLCC68 Datasheet(HTML) 32 Page - Semtech Corporation

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LLCC68
Data Sheet
Rev. 1.1
DS.LLCC68.W.APP
Dec 2024
32 of 111
Semtech
LLCC68
www.semtech.com
5.1.1 Option A: DC-DC Regulator
The DC-DC Regulator is used with about 90% of efficiency, for
the chip core only. The PA regulator is supplied with VBAT. .
Advantage of this option:
The power consumption is reduced.
*VBAT=3.3V min. to reach +22dBm
Figure 5-1: LLCC68 Diagram with the DC-DC Regulator Power
Option
5.1.2 Option B: LDO Regulator
The LDO Regulator is used. Power consumption of the core
is slightly higher than in Option A.
Advantage of this option:
The cost and space for the external 15H inductor are
spared.
*VBAT=3.3V min. to reach +22dBm
Figure 5-2: LLCC68 Diagram with the LDO Regulator
Power Option
LLCC68
LLCC68



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