DFE252012F-R47M datasheet(86/122 Pages) AD

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BITFIELD

BITS

TYPE

DESCRIPTION

DECODE

M3_VOUT_

7:0

Buck Master3 Boot (Default) Output-

Voltage Control Register (VOUT Selected

When VB_M3 = Low)

When M3_RNG = 0x0,

0x0–0xC7 = (0.3 + 0.005 x

M3_VOUT_B)V,

0xC8–0xFF = 1.3V.

When M3_RNG = 0x1,

0x0–0xC7 = (0.6 + 0.01 x M3_VOUT_B)V,

0xC8–0xFF = 2.6V.

When M3_RNG = 0x2,

0x0–0xC7 = (1.2 + 0.02 x M3_VOUT_B)V,

0xC8–0xFF = 5.2V.

M3_VOUT_M (0x46)

BIT

Field

M3_VOUT_M[4:0]

RESERVED

M3_RNG[1:0]

Reset

0x19

0x0

0x2

Access

Type

Write, Read

BITFIELD

BITS

TYPE

DESCRIPTION

DECODE

M3_VOUT_

7:3

Buck Master3 Maximum Output-Voltage

Control Register

When M3_RNG = 0x0,

0x0–0x18 = (0.3 + 0.04 x M3_VOUT_M)V,

0x19–0x1F = 1.3V.

When M3_RNG = 0x1,

0x0–0x18 = (0.6 + 0.08 x M3_VOUT_M)V,

0x19–0x1F = 2.6V.

When M3_RNG = 0x2,

0x0–0x18 = (1.2 + 0.16 x M3_VOUT_M)V,

0x19–0x1F = 5.2V.

RESERVED

Reserved. Returns 0.

M3_RNG

1:0

Buck Master3 Output-Voltage Range

Setting

0x0 = Low range (0.3V to 1.3V, 5mV step).

0x1 = Mid range (0.6V to 2.6V, 10mV

step).

0x2 = High range (1.2V to 5.2V, 20mV

step).

0x3 = Reserved.

M3_CFG1 (0x47)

BIT

Field

RESERVED[1:0]

M3_RD_SR[2:0]

M3_RU_SR[2:0]

Reset

0x0

0x4

Access

Type

Write, Read

BITFIELD

BITS

TYPE

DESCRIPTION

DECODE

RESERVED

7:6

Reserved. Returns 0.

MAX77542

16VIN/16A, Quad-Phase High-Efficiency Buck

Converter

www.analog.com

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DFE252012F-R47M Datasheet(PDF) 86 Page - Analog Devices

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