ISL8270MEVAL1Z datasheet(31/56 Pages) RENESAS

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ISL8270M

FN8635 Rev.4.00

Page 31 of 56

Aug 17, 2017

VOUT_UV_FAULT_RESPONSE (45h)

Definition: Configures the VOUT undervoltage fault response.

Data Length in Bytes: 1

Data Format: BIT

Type: R/W

Default Value: 80h (Disable, no retry)

Units: N/A

IOUT_OC_FAULT_LIMIT (46h)

Definition: Sets the IOUT average overcurrent fault threshold. Device will automatically calculate peak inductor overcurrent fault limit.

Data Length in Bytes: 2

Data Format: L11

Type: R/W

Default Value: DBC0h (30A)

Units: A

Range: -100A to 100A

IOUT_UC_FAULT_LIMIT (4Bh)

Definition: Sets the IOUT average undercurrent fault threshold. Device will automatically calculate valley inductor undercurrent fault limit.

Data Length in Bytes: 2

Data Format: L11

Type: R/W

Default Value: DC3Fh (-30A)

Units: A

Range: -100A to 100A

OT_FAULT_LIMIT (4Fh)

Definition: Sets the temperature at which the device should indicate an over-temperature fault. Note that the temperature must drop

below OT_WARN_LIMIT to clear this fault.

Data Length in Bytes: 2

Data Format: L11

Type: R/W

Default Value: EBE8h (+125˚C)

Units: Celsius

Range: 0°C to +175°C

BIT

FIELD NAME

VALUE

DESCRIPTION

7:6

Reserved

5:3

Retry Setting

000

No retry. The output remains disabled until the fault is cleared.

001-110

Not used.

111

Attempts to restart continuously, without checking if the fault is still present, until it is

commanded OFF (by the CONTROL pin or OPERATION command), bias power is removed,

or another fault condition causes the unit to shut down.

2:0

Retry Delay

000-111

Retry delay time = (Value + 1) * 35ms. Sets the time between retries in 35ms increments.

ISL8270MEVAL1Z Datasheet(PDF) 31 Page - Renesas Technology Corp

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