ISL6423B Datasheet, PDF (14/16 Pages) Intersil Corporation – Single Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-Top Box Designs

I²C Bit Description
BIT
NAME
DESCRIPTION
EN
ENable Output for channels 1 and 2
VTOP Voltage TOP select i.e. 18V, 19V for channels 1 and 2
VBOT Voltage BOTtom select i.e. 13V, 14V for channels 1 and 2
ENT
ENable Tone
MSEL Modulation SELect
DCL
Dynamic Current Limit select
VSPEN Voltage Select Pin ENable
ISELH Current limit “I” SELect High and Low bit
and ISELL
OTF
Over Temperature Fault bit
CABF
CABle Fault or open status bit
OUVF Over and Under Voltage Fault status bit
OLF
Over Load Fault status bit
BCF
Backward Current Fault bit
TTH
Tone THreshold is the OR of the signal pin TXT
I²C Electrical Characteristics
TABLE 12.
TEST
PARAMETER CONDITION
MIN
Input Logic
High, VIH
SDA, SCL
2.0V
Input Logic
Low, VIL
SDA, SCL
Input Logic
Current, IIL
Input Logic
Current IOL
SDA, SCL;
0.4V < V_DD< 3.3V
VOL = 0.4V
3mA
Input
Hysteresis
SDA, SCL
165mV
SCL Clock
0
Frequency
Input Filter
Spike reject
TYP
200mV
100kHz
50ns
MAX
0.8V
10μA
235mV
400kHz
14
FN6412.1
April 10, 2007