ISL6422 INTERSIL [Intersil Corporation], ISL6422 Datasheet - Page 14

• 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 is a “Don’t Care” for the Write mode.
SR3H
SR4H
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
SR3M
SR4M
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
SR3L
SR4L
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
DCL1
EN1
14
X
X
X
0
0
0
0
0
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
0
VSPEN1 ISEL1R ISEL1H ISEL1L
TABLE 13. COMMAND REGISTER SR3 CONFIGURATION
TABLE 14. CONTROL REGISTER SR4 CONFIGURATION
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
1
1
1
X
X
X
X
VTOP1 VBOT1
X
X
X
X
X
X
X
0
0
1
1
0
0
0
1
1
0
0
1
1
0
0
1
1
ISL6422
X
X
X
0
1
0
1
X
X
X
0
0
1
0
1
0
1
0
1
0
1
0
1
SR4 is selected
VSPEN1 = SELVTOP1 = 0, V
V
VSPEN1 = SELVTOP1 = 0, V
V
VSPEN1 = SELVTOP1 = 0, V
V
VSPEN1 = SELVTOP1 = 0, V
V
VSPEN1 = 0, SELVTOP1 = 1, V
V
VSPEN1 = 0, SELVTOP1 = 1, V
V
VSPEN1 = 0, SELVTOP1 = 1, V
V
VSPEN1 = 0, SELVTOP1 = 1, V
V
VSPEN1 = 1, SELVTOP1 = X, V
V
VSPEN1 = 1, SELVTOP1 = X, V
V
VSPEN1 = 1, SELVTOP1 = X, V
V
VSPEN1 = 1, SELVTOP1 = X, V
V
PWM and Linear for channel 1 disabled
SR3 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
OUT
OUT
OUT
BOOST1
BOOST1
BOOST1
BOOST1
BOOST1
BOOST1
BOOST1
BOOST1
BOOST1
BOOST1
BOOST1
BOOST1
1 = 275mA maximum
1 = 350mA maximum
1 = 515mA maximum
1 = 635mA maximum
1 = 800mA maximum
= 13V + V
= 14V + V
= 13V + V
= 14V + V
= 18V + V
= 18V + V
= 19V + V
= 19V + V
= 13V + V
= 14V + V
= 18V + V
= 19V + V
DROP
DROP
DROP
DROP
DROP
DROP
DROP
DROP
DROP
DROP
DROP
DROP
FUNCTION
FUNCTION
OUT1
OUT1
OUT1
OUT1
OUT1
OUT1
OUT1
OUT1
OUT1
OUT1
OUT1
OUT1
= 13V,
= 14V,
= 13V,
= 14V,
= 18V,
= 18V,
= 19V,
= 19V,
= 13V,
= 14V,
= 18V,
= 19V,
April 10, 2007
FN9190.1