ISL6423 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 DiSEqC 2.0 Compatible

ISL6423
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 and Current limit “I” SELect High and Low bit
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
FN9191.2
December 5, 2008