ADP1053 AD [Analog Devices], ADP1053 Datasheet - Page 53

• Manufacturer Part Number: ADP1053
• Description: 3-Channel Digital
• Manufacturer: AD [Analog Devices]

Data Sheet
Bits
[3:2]
[1:0]
SWITCHING FREQUENCY REGISTERS
Table 36. Register 0xFE0A, Register 0xFE0B, and Register 0xFE0C—Switching Frequency for Channel A, Channel B, and Channel C
Bits
[7:6]
[5:0]
Bit Name
PGOOD_A on
debounce
PGOOD_A off
debounce
Bit Name
Frequency synchro-
nization setting
Switching frequency
R/W
R/W
R/W
R/W
R/W
R/W
Description
These bits set the PGOOD_A on debounce time, that is, the time from when the PGOOD_A on
condition is met to when the PGOOD_A flag is set.
Bit 3
0
0
1
1
These bits set the PGOOD_A off debounce time, that is, the time from when the PGOOD_A off
condition is met to when the PGOOD_A flag is cleared.
Bit 1
0
0
1
1
Description
These bits set the switching frequency to a multiple of the synchronization input frequency.
Bit 7
0
0
1
1
These bits set the switching frequency.
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
0
Bit 2
0
1
0
1
Bit 0
0
1
0
1
Bit 6
0
1
0
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
1
Rev. A | Page 53 of 84
Typical PGOOD_A On Debounce Time
0 ms
200 ms
320 ms
600 ms
Typical PGOOD_A Off Debounce Time
0 ms
200 ms
320 ms
600 ms
Multiple of Synchronization Input Frequency
1
2
Reserved
Reserved
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
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
0
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
0
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
0
Frequency (kHz)
48.8
55.8
60.1
65.1
71.0
78.1
86.8
97.7
104.2
111.6
120.2
130.2
135.9
142.0
148.8
156.3
164.5
173.6
183.8
195.3
201.6
208.3
215.5
223.2
231.5
ADP1053