isl6422b Intersil Corporation, isl6422b Datasheet - Page 14

• Manufacturer Part Number: isl6422b
• Description: Dual Output Lnb Supply And Control Voltage Regulator With I2c Interface For Advanced Satellite Set-top Box Designs
• Manufacturer: Intersil Corporation

NOTE: X indicates “Read Only” and is a “Don’t Care” for the Write mode.
NOTE: X indicates “Read Only” and is a “Don’t Care” for the Write mode.
SR4H
SR5H
SR6H
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
SR4M
SR5M
SR6M
1
1
1
1
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
SR4L
SR5L
SR6L
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
EN1
ENT2
1
1
1
1
1
1
1
1
1
1
1
1
1
0
14
X
X
X
X
X
X
X
X
X
X
X
0
0
1
X
X
CABF2 OUVF2
MSEL2
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
TABLE 14. CONTROL REGISTER SR4 CONFIGURATION
X
X
X
X
X
X
X
X
X
X
0
1
0
1
0
TABLE 15. STATUS REGISTER SR5 CONFIGURATION
TABLE 16. TONE REGISTER SR6 CONFIGURATION
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
TTH2
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
VTOP1 VBOT1
X
0
0
0
1
1
0
0
1
1
0
0
1
1
OLF2
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
ISL6422B
X
0
0
1
0
1
0
1
0
1
0
1
0
1
BCF2
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
SR4 is selected
VSPEN1 = SELVTOP1 = 0, VOUT1 = 13V, VBOOST1 = 13V + VDROP
VSPEN1 = SELVTOP1 = 0, VOUT1 = 14V, VBOOST1 = 14V + VDROP
VSPEN1 = SELVTOP1 = 0, VOUT1 = 13V, VBOOST1 = 13V + VDROP
VSPEN1 = SELVTOP1 = 0, VOUT1 = 14V, VBOOST1 = 14V + VDROP
VSPEN1 = 0, SELVTOP1 = 1, VOUT1 = 18V, VBOOST1 = 18V + VDROP
VSPEN1 = 0, SELVTOP1 = 1, VOUT1 = 18V, VBOOST1 = 18V + VDROP
VSPEN1 = 0, SELVTOP1 = 1, VOUT1 = 19V, VBOOST1 = 19V + VDROP
VSPEN1 = 0, SELVTOP1 = 1, VOUT1 = 19V, VBOOST1 = 19V + VDROP
VSPEN1 = 1, SELVTOP1 = X VOUT1 = 13V, VBOOST1 = 13V + VDROP
VSPEN1 = 1, SELVTOP1 = X VOUT1 = 14V, VBOOST1 = 14V + VDROP
VSPEN1 = 1, SELVTOP1 = X VOUT1 = 18V, VBOOST1 = 18V + VDROP
VSPEN1 = 1, SELVTOP1 = X VOUT1 = 19V, VBOOST1 = 19V + VDROP
PWM and Linear for Channel 1 disabled
SR5 is selected
I
I
I
I
V
V
Cable is connected, I
Cable is open, I
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
OUT
OUT
OBCK
OBCK
IN
IN
/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
within specified range
is not within specified range
O
< 2mA
O
is > 20mA
FUNCTION
r
, t
FUNCTION
FUNCTION
f
= 10µs typ
r
, t
r
, t
f
f
= 10µs typ
= 10µs typ
August 10, 2007
FN6486.1