ISL6422 INTERSIL [Intersil Corporation], ISL6422 Datasheet - Page 15

• 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]

NOTE: X is a “Don’t Care” for the Write mode.
NOTE: X indicates “Read Only” state.
NOTE: X is a “Don’t Care” for the Write mode.
SR7H
SR5H
SR6H
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
SR7M
SR5M
SR6M
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
SR7L
SR5L
SR6L
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
DCL2
ENT2
15
X
X
X
0
0
0
0
0
1
0
X
X
X
X
X
X
X
X
X
X
0
0
1
X
X
VSPEN2 ISEL2R ISEL2H ISEL2L
CABF2 OUVF2
MSEL2
TABLE 17. COMMAND REGISTER SR7 CONFIGURATION
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
0
1
0
TABLE 15. STATUS REGISTER SR5 CONFIGURATION
TABLE 16. TONE REGISTER SR6 CONFIGURATION
TTH2
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
X
0
1
1
1
1
X
X
X
X
OLF2
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
X
X
X
X
X
X
0
0
1
1
ISL6422
BCF2
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
X
X
X
X
X
X
0
1
0
1
SR5 is selected
I
I
I
I
V
V
Cable is connected, Io is >20mA
Cable is open, Io <2mA
SR2 is selected
Int Tone = 22kHz, modulated by EXTM2, T
Ext 22k modulated input, T
Int Tone = 22kHz, modulated by ENT2 bit, T
TXT2 = 0; Decoder Rx threshold is set at 200mV max
TXT2 = 0; Decoder Tx threshold is set at 400mV min
SR7 is selected
I
I
I
I
I
Dynamic current limit NOT selected
Dynamic current limit selected
SELVTOP H/W pin Enabled
SELVTOP H/W pin Disabled
OUT
OUT
OBCK
OBCK
OUT
OUT
OUT
OUT
OUT
IN
IN
/V
/V
1 = 275mA max.
1 = 350mA max.
1 = 515mA max.
1 = 635mA max.
1 = 800mA max.
≤ set limit, Normal Operation
> Static/Dynamic Limiting Mode/Power blocks disabled
OUT
OUT
≤ set limit, Normal Operation
> Dynamic Limiting Mode/Power blocks disabled
within specified range
is not within specified range
r
FUNCTION
FUNCTION
, T
FUNCTION
f
= 10µs typ
r
, T
r
, T
f
= 10µs typ
f
= 10µs typ
April 10, 2007
FN9190.1