ADP1052ACPZ-R7 datasheet(66/113 Pages) AD

66 / 113 page

ADP1052

Data Sheet

Rev. B | Page 66 of 113

Switching Frequency (kHz)

Accurate Switching Period (µs)

0000000111101010 (0x1EA)

490

2.04

0000000111110100 (0x1F4)

500

2.00

0000000111111110 (0x01FE)

510

1.96

0000001000001000 (0x0208)

520

1.92

0000001000010011 (0x0213)

531

1.88

0000001000011111 (0x0x21F)

543

1.84

0000001000101100 (0x022C)

556

1.80

0000001000111000 (0x0238)

568

1.76

0000001001000101 (0x0245)

581

1.72

0000001001010011 (0x0253)

595

1.68

0000001001100010 (0x0262)

610

1.64

0000001001110001 (0x0271)

625

1.60

Table 35. Register 0x33—FREQUENCY_SWITCH

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.

VIN_ON

The VIN_ON command sets the value of the input voltage (in volts) at which the unit begins a power conversion.

Table 36. Register 0x35—VIN_ON

Bit

Bit Name/Function

R/W

Description

[15:11]

Exponent

R/W

5-bit, twos complement, N value for linear format, X = Y × 2N, where N is in the range of

−12 to 0 decimal.

[10:0]

Mantissa

R/W

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

VIN_OFF

The VIN_OFF command sets the value of the input voltage (in volts) at which the unit stops power conversion after operation has started.

Table 37. Register 0x36—VIN_OFF

Bit

Bit Name/Function

R/W

Description

[15:11]

Exponent

R/W

5-bit, twos complement, N value for linear format, X = Y × 2N, where N is in the range of

−12 to 0 decimal.

[10:0]

Mantissa

R/W

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

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