SC905AMLTRT View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SC905AMLTRT' PDF : 23 Pages View PDF
SC905A
POWER MANAGEMENT
Register Map (Cont.)
Analog LDO Voltage Tables C and D
The bit code controls the output voltage of each LDO. The LSB size at the output is 50mV. Output voltage can be set
by writing the proper code to the desired LDO register. See Table C for the bitcodes and their corresponding voltages
for LDO ANA, and Table D for the bitcodes and their corresponding voltages for LDOs TCXO, TX, RX and PLL.
TABLE C - Output Voltage Code Bits for LDO VANA
X2
X1
X0
LDO Output
Voltage
0
0
0
2.55V
0
0
1
2.60V
0
1
0
2.65V
0
1
1
2.70V
1
0
0
2.75V
1
0
1
2.80V
1
1
0
2.85V
1
1
1
2.90V
TABLE D - Output Voltage Code Bits for LDOs VTCXO, VTX, VRX, VPLL
X2
X1
X0
LDO Output
Voltage
0
0
0
2.75V
0
0
1
2.80V
0
1
0
2.85V
0
1
1
2.90V
1
0
0
2.95V
1
0
1
3.00V
1
1
0
3.05V
1
1
1
3.10V
© 2006 Semtech Corp.
16
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