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Data Sheet

ADP1052

Rev. B | Page 71 of 113

POWER_GOOD_ON

The POWER_GOOD_ON command sets the output voltage (in volts) at which the POWER_GOOD signal asserts. The POWER_GOOD status

bit (POWER_GOOD) in the STATUS_WORD command is always reflective of VOUT with regard to the POWER_GOOD_ON and

POWER_GOOD_OFF limits.

Table 48. Register 0x5E—POWER_GOOD_ON

Bits

Bit Name/Function

R/W

Description

[15:0]

Mantissa

R/W

Sets the output voltage for the POWER_GOOD_ON command.

16-bit, unsigned Integer Y value for linear format X = Y × 2N. N is defined by the VOUT_MODE

command.

POWER_GOOD_OFF

The POWER_GOOD_OFF command sets the output voltage (in volts) at which the POWER_GOOD signal is negated. The POWER_GOOD

status bit (POWER_GOOD) in the STATUS_WORD command is always reflective of VOUT with regard to the POWER_GOOD_ON and

POWER_GOOD_OFF limits.

Table 49. Register 0x5F—POWER_GOOD_OFF

Bits

Bit Name/Function

R/W

Description

[15:0]

Mantissa

R/W

Sets the output voltage for the POWER_GOOD_OFF command.

16-bit, unsigned Integer Y value for linear format X = Y × 2N. N is defined by the VOUT_MODE

command.

TON_DELAY

The TON_DELAY command sets the turn-on delay time in milliseconds (ms).The ADP1052 supports only those options listed in Table 50.

Table 50. Register 0x60—TON_DELAY (Turn-On Delay Options Supported in the ADP1052)

Turn-On Delay Time (ms)

0000000000000000 (0x0000)

0000000000001010 (0x000A)

0000000000011001 (0x0019)

0000000000110010 (0x0032)

0000000001001011 (0x004B)

0000000001100100 (0x0064)

100

0000000011111010 (0x00FA)

250

0000001111101000 (0x03E8)

1000

Table 51. Register 0x60—TON_DELAY

Bits

Bit Name/Function

R/W

Description

[15:11]

Exponent

R/W

5-bit, twos complement, N value for linear format, X = Y × 2N.

[10:0]

Mantissa

R/W

11-bit, twos complement, Y value for linear format, X = Y × 2N.

TON_RISE

The TON_RISE command sets the turn-on rise time in ms. Only the values listed in Table 52 are supported in the ADP1052.

Table 52. Register 0x61—TON_RISE (Turn-On Rise Time Options Supported in the ADP1052)

Turn-On Rise Time (ms)

1100000000001101 (0xC00D)

0.05

1101000000001101 (0xD00D)

0.2

1111000000000111 (0xF007)

1.75

1111100000010101 (0xF815)

10.5

0000000000010101 (0x0015)

1111000010100001 (0xF0A1)

40.25

0000000000111100 (0x003C)

0000000001100100 (0x0064)

100

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