ADP1048 Analog Devices, ADP1048 Datasheet - Page 66
![no-image](/images/manufacturer_photos/0/0/56/analog_devices_sml.jpg)
ADP1048
Manufacturer Part Number
ADP1048
Description
Digital Power Factor Correction Controller with accurate AC Power Metering
Manufacturer
Analog Devices
Datasheet
1.ADP1047.pdf
(84 pages)
- Current page: 66 of 84
- Download datasheet (2Mb)
ADP1047/ADP1048
Bits
[5:0]
LOW POWER SWITCHING FREQUENCY SETTING REGISTER
This register sets the PFC switching frequency when the PFC is running under low power mode and the smart switching frequency
operation is enabled.
Table 90. Register 0xFE1C—Low Power Switching Frequency Setting
Bits
[7:6]
[5:0]
Switching frequency
Bit Name
Bit Name
RSVD
Switching frequency
R/W
R/W
R/W
R
R/W
Description
Bit 5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Description
Reserved.
This register sets the switching frequency when the power is lower than the low power
threshold set in Register 0xFE32 and the smart switching frequency is enabled.
Bit 5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit 4
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Bit 4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Rev. 0 | Page 66 of 84
Bit 3
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Bit 3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
Bit 2
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Bit 2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Bit 1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Bit 1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Bit 0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Bit 0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Frequency (kHz)
271.74
277.78
284.09
290.70
297.62
304.88
312.50
320.51
328.95
337.84
347.22
357.14
367.65
378.79
390.63
403.23
403.23
Frequency (kHz)
30.05
32.55
35.51
39.06
43.40
48.83
52.06
55.80
60.10
65.10
71.02
78.13
86.81
97.66
100.81
104.17
107.76
111.61
115.74
120.19
125.00
130.21
135.87
142.05
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