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ISL6423B Datasheet(PDF) 5 Page - Intersil Corporation

Part No. ISL6423B
Description  Single Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-Top Box Designs
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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ISL6423B Datasheet(HTML) 5 Page - Intersil Corporation

 
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5
FN6412.1
April 10, 2007
Absolute Maximum Ratings
Thermal Information
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . 8.0V to 18.0V
Logic Input Voltage Range
(SDA, SCL, ENT, DSQIN 1 and 2, SEL18V 1 and 2) . -0.5V to 7V
Thermal Resistance (Typical, Notes 2, 3)
θJA (°C/W) θJC (°C/W)
QFN Package (Notes 2, 3) . . . . . . . . . .
38
4.5
EPTSSOP Package (Notes 2, 3) . . . . .
35
2.5
Maximum Junction Temperature (Note 4) . . . . . . . . . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . . -40°C to +150°C
Operating Temperature Range . . . . . . . . . . . . . . . . . -20°C to +85°C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
2.
θ
JA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379.
3. For
θJC, the "case temp" location is the center of the exposed metal pad on the package underside.
4. +150°C max junction temperature is intended for short periods of time to prevent shortening the lifetime. Operation close to +150°C junction may
trigger the shutdown of the device even before +150°C, since this number is specified as typical.
Electrical Specifications
VCC = 12V, TA = -20°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C. EN = H, VTOP
VBOT = L, ENT = L, DCL = L, IOUT = 12mA, unless otherwise noted. See software description section for I
2C
access to the system.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Operating Supply Voltage Range
812
14
V
Standby Supply Current
EN = L
-
1.5
3.0
mA
Supply Current
IIN
EN = VTOP = VBOT = ENT = H, No Load
-
4.0
8.0
mA
UNDERVOLTAGE LOCKOUT
Start Threshold
7.5
-
7.95
V
Stop Threshold
7.0
-
7.55
V
Start to Stop Hysteresis
350
400
500
mV
SOFT-START
COMP Rise Time (Note 5)
(Note 5)
-
8196
-
Cycles
Output Voltage (Note 5)
VO1
(Refer to Table 1)
13.04
13.3
13.56
V
VO1
(Refer to Table 1)
14.02
14.3
14.58
V
VO1
(Refer to Table 1)
17.94
18.3
18.66
V
VO1
(Refer to Table 1)
19.00
19.3
19.68
V
Line Regulation
DVO1,
DVO2
VIN = 8V to 14V; VO = 13.3V
-
4.0
40.0
mV
VIN = 8V to 14V; VO = 18.3V
-
4.0
60.0
mV
Load Regulation
DVO1,
DVO2
IO = 0mA to 350mA
-
50
80
mV
IO = 0mA to 750mA
-
100
200
mV
Dynamic Output Current Limiting
IMAX
DCL = 0, ISEL H = 0, ISEL L = 0 (Note 8)
275
305
345
mA
DCL = 0, ISEL H = 0, ISEL L = 1 (Note 8)
515
570
630
mA
DCL = 0, ISEL H = 1, ISEL L = 0 (Note 8)
635
705
775
mA
DCL = 0, ISEL H = 1, ISEL L = 1 (Note 8)
800
890
980
mA
Dynamic Overload Protection Off Time
TOFF
DCL = 0, Output Shorted (Note 8)
-
900
-
ms
Dynamic Overload Protection On Time
TON
-
51
-
ms
Static Output Current Limiting
IMAX
DCL = 1 (Note 8)
-
1000
-
mA
Cable Fault CABF Threshold
ICAB
EN = 1, VO = 19V, No Tone.
2
10
20
mA


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