ISL6422 INTERSIL [Intersil Corporation], ISL6422 Datasheet - Page 17

• Manufacturer Part Number: ISL6422
• Description: Dual Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-Top Box Designs
• Manufacturer: INTERSIL [Intersil Corporation]

ADDR0 and ADDR1 Pins
Connecting either ADDR0 or ADDR1 to GND, the chip I
interface address is 0001000, but it is possible to choose
between four different addresses simply by setting the logic
as indicated in Table 19.
I
I
Input Logic High, VIH
Input Logic Low, VIL
Input Logic Current, IIL
Input Hysterisis
SCL Clock Frequency
EN1 and EN2
VTOP1 and VTOP2
VBOT1 and VTOP2
ENT1 and ENT2
MSEL1 and MSEL2
TFR1 and TFR2
DCL1 and DCL2
VSPEN1 and VSPEN2
ISEL1H and ISEL2H,
ISEL1L and ISEL2L,
ISEL1R and ISEL2R
OTF
CABF1/2
OUVF1/2
OLF1/2
BCF1/2
TTH1/2
2
2
C Electrical Characteristics
C Bit Description
BIT NAME
TABLE 19. ADDRESS PIN CHARACTERISTICS
“0001000”
“0001001”
“0001010”
“0001011”
V
V
V
V
V
ADDR
ADDR
ADDR
ADDR
ADDR
PARAMETER
-1
-2
-3
-4
ENable Output for channels 1 and 2
Voltage TOP Select (that is, 18V/19V for channels 1 and 2)
Voltage BOTtom Select (that is, 13V/14V for channels 1 and 2)
ENable Tone for channels 1 and 2
Modulation SELect for channels 1 and 2
Voltage Select Pin ENable for channels 1 and 2
Tone Frequency and Rise time select for channels 1 and 2
Dynamic Current Limit select for channels 1 and 2
Current limit “I” SELect high and low bits for channels 1 and 2
Over Temperature Fault bit
CABle Fault or open status bit for channels 1 and 2
Over and Under Voltage Fault status bit for channels 1 and 2
Over Load Fault status bit for channels 1 and 2
Backward Current Fault Bit for channels 1 and 2
Tone THreshold is the OR of the signal pin TXT1 or TXT2
17
ADDR1
0
0
1
1
SDA, SCL
SDA, SCL
SDA, SCL;
0.4V < V
SDA, SCL
TEST CONDITION
ADDR0
TABLE 20. I
DD
0
1
0
1
< 3.3V
2
C
ISL6422
TABLE 21.
2
C SPECIFICATIONS
DESCRIPTION
165mV
2.0V
MIN
0
100kHz
200mV
TYP
400kHz
235mV
10μA
MAX
0.8V
April 10, 2007
FN9190.1