ISL9305(2010) View Datasheet(PDF) - Intersil

Part Name

Description

Manufacturer

ISL9305
(Rev.:2010)

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

Intersil 

ISL9305

OPTIONAL

S SLAVE ADDRESS 1 A

DATA BYTE 1

A

DATA BYTE 2

A

R/W

AUTO INCREMENT

AUTO INCREMENT

REGISTER ADDRESS

REGISTER ADDRESS

SYSTEM HOST

ISL9305

A – ACKNOWLEDGE

N – NOT ACKNOWLEDGE

S – START

P – STOP

FIGURE 8. I2C READ NOT SPECIFYING REGISTER ADDRESS

DATA BYTE N

NP

AUTO INCREMENT

REGISTER ADDRESS

I2C Control Registers

All the registers are reset at initial start-up.

DCD OUTPUT VOLTAGE CONTROL REGISTER

DCD1OUT, address 0x00h; DCD2OUT, address 0x01h

TABLE 2. BUCK CONVERTERS OUTPUT VOLTAGE CONTROL REGISTER

BIT

NAME

ACCESS RESET

DESCRIPTION

B7 Reserve

-

0 Refer to Table 3

B6 DCDxOUT-6

R/W

0

B5 DCDxOUT-5

R/W

0

B4 DCDxOUT-4

R/W

1

B3 DCDxOUT-3

R/W

0 Refer to Table 3

B2 DCDxOUT-2

R/W

0

B1 DCDxOUT-1

R/W

0

B0 DCDxOUT-0

R/W

0

10

FN7605.0

November 8, 2010

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