ISL9305IRTWCLBZ-T View Datasheet(PDF) - Renesas Electronics

Part Name

Description

Manufacturer

ISL9305IRTWCLBZ-T

3MHz Dual Step-Down Converters and Dual Low-Input LDOs with I2C Compatible Interface

Renesas Electronics 

ISL9305

SYSTEM CONTROL REGISTER

SYS_PARAMETER, address 0x05h

TABLE 7. SYS_PARAMETER REGISTER

BIT

NAME

ACCESS RESET

DESCRIPTION

B7

-

B6

I2C_EN

-

R/W

0 Reserved

0 I2C function enable.

0-disabled; 1-enabled

B5 DCDPOR_1

B4 DCDPOR_0

R/W

R/W

1 DCDPOR Delay Time Setting,

DCDPOR[1:0]:

0 00 to 1ms

01 to 50ms

10 to 150ms

11 to 200m

B3 LDO2_EN

R/W

1 LDO2 enable selection.

0-disable, 1-enable.

B2 LDO1_EN

R/W

1 LDO1 enable selection.

0-disable, 1-enable

B1 DCD2_EN R/W

1 DCD2 enable selection.

0-disable, 1-enable.

B0 DCD1_EN R/W

1 DCD1 enable selection.

0-disable, 1-enable

DCD OUTPUT VOLTAGE SLEW RATE CONTROL

REGISTER

DCD_SRCTL, address 0x06h

TABLE 8.

BIT

NAME

ACCESS RESET

DESCRIPTION

B7 DCD2SR_2

B6 DCD2SR_1

B5 DCD2SR_0

R/W

R/W

R/W

0 DCD2 Slew Rate Setting,

DCD2SR[2:0]:

0 000 to 0.225mV/µs

1 001 to 0.45mV/µs

010 to 0.90mV/µs

011 to 1.8mV/µs

100 to 3.6mV/µs

101 to 7.2mV/µs

110 to 14.4mV/µs

111 to 28.8mV/µs

B4 Reserve

-

0 Reserved

B3 DCD1SR_2

B2 DCD1SR_1

B1 DCD1SR_0

R/W

R/W

R/W

0 DCD1 Slew Rate Setting,

DCD1SR[2:0]:

0 000 to 0.225mV/µs

1 001 to 0.45mV/µs

010 to 0.90mV/µs

011 to 1.8mV/µs

100 to 3.6mV/µs

101 to 7.2mV/µs

110 to 14.4mV/µs

111 to 28.8mV/µs

B0 Reserve

-

0 Reserved

FN7605 Rev 2.00

February 9, 2015

Page 12 of 17

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