ADP1050ACPZ-R7 datasheet(59/93 Pages) AD

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ADP1050

Data Sheet

Switching Frequency (kHz)

Accurate Switching Period (µs)

1111101101000001 (0xFB41)

416.5

2.40

1111101101001111 (0xFB4F)

423.5

2.36

0000000110101111 (0x1AF)

431

2.32

1111101101101101 (0xFB6D)

438.5

2.28

1111101101111101 (0xFB7D)

446.5

2.24

1111101110001101 (0xFB8D)

454.5

2.20

0000000111001111 (0x01CF)

463

2.16

0000000111011000 (0x01D8)

472

2.12

0000000111100001 (0x01E1)

481

2.08

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 33. 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 starts power conversion.

Table 34. 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.

N must be 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 35. 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.

N must be 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.

Rev. A | Page 58 of 92

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