ISL6422EVEZ Intersil, ISL6422EVEZ Datasheet - Page 13

• Manufacturer Part Number: ISL6422EVEZ
• Description: IC VREG DUAL LNB W/I2C 38EPTSSOP
• Manufacturer: Intersil

Specifications of ISL6422EVEZ

• Applications: Converter, Satellite Set-Top Box Designs
• Voltage - Input: 8 ~ 14 V
• Number Of Outputs: 2
• Voltage - Output: 13.3 ~ 18.3 V, 14.3 ~ 19.3 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 38-TSSOP Exposed Pad, 38-eTSSOP, 38-HTSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NOTE: X indicates “Read Only” and is a “Don’t Care” for the Write mode.
NOTE: X is a “Don’t Care” for the Write mode.
SR4H SR4M
SR5H SR5M
SR6H
R, W
R, W
R, W
SR1H
SR2H
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
SR6M
R, W
R, W
R, W
SR1M
SR2M
TABLE 6. CONTROL REGISTER 4 (SR4)
TABLE 7. STATUS REGISTER 5 (SR5)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
TABLE 8. TONE REGISTER 6 (SR6)
SR4L
SR5L
SR6L
R, W
R, W
R, W
SR1L
SR2L
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
ENT2
R, W
R, W
EN1
X
X
ENT1
OTF
13
X
X
X
X
X
X
X
X
X
0
1
X
0
0
1
X
X
CABF2 OUVF2 OLF2
MSEL2 TTH2
R, W
R, W
R
X
CABF1 OUVF1
MSEL1
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
0
R, W
TABLE 11. STATUS REGISTER SR1 CONFIGURATION
R, W
TABLE 12. TONE REGISTER SR2 CONFIGURATION
R
X
TTH1
VTOP1 VBOT1
R, W
R, W
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
R
X
BCF2
OLF1
R, W
R, W
R
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
ISL6422
BCF1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
Transmitted Data (
When the R/W bit in the chip is set to 0, the main
microprocessor can write on the system registers (SR1
through SR8) of the ISL6422 via I
written by the microprocessor as shown in the following. The
spare bits of registers can be used for other functions.
SR7H SR7M SR7L
SR1 is selected
I
I
I
I
V
V
Cable is connected, I
Cable is open, I
T
T
SR2 is selected
Internal Tone = 22kHz, modulated by EXTM1, t
Ext 22k modulated input, t
Internal Tone = 22kHz, modulated by the ENT1 bit, t
TXT = 0; Decoder Rx threshold is set at 200mV max
TXT = 0; Decoder Tx threshold is set at 400mV min
R, W
SR8H SR8M
OUT
OUT
OBCK
OBCK
R, W
IN
IN
J
J
≤+130°C, Normal operation
>+150°C, Power blocks disabled
/V
/V
≤set limit, Normal Operation
>Static/Dynamic Limiting Mode/Power blocks disabled
OUT
OUT
≤set limit, Normal Operation
>Dynamic Limiting Mode/Power blocks disabled
R, W
R, W
within specified range
is not within specified range
TABLE 10. CONTROL REGISTER 8 (SR8)
TABLE 9. COMMAND REGISTER 7 (SR7)
R, W
OUT
SR8L
R, W
<2mA
OUT
DCL2 VSPEN2 ISEL2R ISEL2H ISEL2L
I
R, W
2
C
is >20mA
r
R, W
EN2
, t
FUNCTION
FUNCTION
bus WRITE mode)
f
= 10µs typ
R, W
R, W
X
2
C bus. These will be
R, W
R, W
X
r
, t
f
= 10µs typ
VTOP2 VBOT2
R, W
R, W
r
, t
August 10, 2007
f
= 10µs typ
FN9190.2
R, W
R, W