Datasheet

Data Sheet ADP1053
Rev. A | Page 53 of 84
Bits Bit Name R/W Description
[3:2]
PGOOD_A on
debounce
R/W
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 Bit 2 Typical PGOOD_A On Debounce Time
0 0 0 ms
0 1 200 ms
1 0 320 ms
1 1 600 ms
R/W
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 Bit 0 Typical PGOOD_A Off Debounce Time
0 0 0 ms
0 1 200 ms
1 0 320 ms
[1:0]
PGOOD_A off
debounce
1 1 600 ms
SWITCHING FREQUENCY REGISTERS
Table 36. Register 0xFE0A, Register 0xFE0B, and Register 0xFE0C—Switching Frequency for Channel A, Channel B, and Channel C
Bits Bit Name R/W Description
These bits set the switching frequency to a multiple of the synchronization input frequency.
Bit 7 Bit 6 Multiple of Synchronization Input Frequency
0 0 1
0 1 2
1 0 Reserved
[7:6]
Frequency synchro-
nization setting
R/W
1 1 Reserved
[5:0] Switching frequency R/W These bits set the switching frequency.
Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Frequency (kHz)
0 0 0 0 0 0 48.8
0 0 0 0 0 1 55.8
0 0 0 0 1 0 60.1
0 0 0 0 1 1 65.1
0 0 0 1 0 0 71.0
0 0 0 1 0 1 78.1
0 0 0 1 1 0 86.8
0 0 0 1 1 1 97.7
0 0 1 0 0 0 104.2
0 0 1 0 0 1 111.6
0 0 1 0 1 0 120.2
0 0 1 0 1 1 130.2
0 0 1 1 0 0 135.9
0 0 1 1 0 1 142.0
0 0 1 1 1 0 148.8
0 0 1 1 1 1 156.3
0 1 0 0 0 0 164.5
0 1 0 0 0 1 173.6
0 1 0 0 1 0 183.8
0 1 0 0 1 1 195.3
0 1 0 1 0 0 201.6
0 1 0 1 0 1 208.3
0 1 0 1 1 0 215.5
0 1 0 1 1 1 223.2
0 1 1 0 0 0 231.5