ISL6423B Intersil Corporation, ISL6423B Datasheet - Page 5

• Manufacturer Part Number: ISL6423B
• Description: Single Output LNB Supply and Control Voltage Regulator
• Manufacturer: Intersil Corporation

Absolute Maximum Ratings
Supply Voltage, V
Logic Input Voltage Range
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:
Electrical Specifications
Operating Supply Voltage Range
Standby Supply Current
Supply Current
UNDERVOLTAGE LOCKOUT
Start Threshold
Stop Threshold
Start to Stop Hysteresis
SOFT-START
COMP Rise Time (Note 5)
Output Voltage (Note 5)
Line Regulation
Load Regulation
Dynamic Output Current Limiting
Dynamic Overload Protection Off Time
Dynamic Overload Protection On Time
Static Output Current Limiting
Cable Fault CABF Threshold
2. θ
3. For θ
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
(SDA, SCL, ENT, DSQIN 1 and 2, SEL18V 1 and 2) . -0.5V to 7V
Tech Brief TB379.
trigger the shutdown of the device even before +150°C, since this number is specified as typical.
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
JC
, the "case temp" location is the center of the exposed metal pad on the package underside.
PARAMETER
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . 8.0V to 18.0V
5
V
VBOT = L, ENT = L, DCL = L, I
access to the system.
CC
= 12V, T
SYMBOL
DV
DV
DV
DV
TOFF
I
I
TON
I
V
V
V
V
MAX
MAX
CAB
I
IN
O1
O1
O1
O1
O1,
O1,
O2
O2
A
= -20°C to +85°C, unless otherwise noted. Typical values are at T
EN = L
EN = VTOP = VBOT = ENT = H, No Load
(Note 5)
(Refer to Table 1)
(Refer to Table 1)
(Refer to Table 1)
(Refer to Table 1)
V
V
I
I
DCL = 0, ISEL H = 0, ISEL L = 0 (Note 8)
DCL = 0, ISEL H = 0, ISEL L = 1 (Note 8)
DCL = 0, ISEL H = 1, ISEL L = 0 (Note 8)
DCL = 0, ISEL H = 1, ISEL L = 1 (Note 8)
DCL = 0, Output Shorted (Note 8)
DCL = 1 (Note 8)
EN = 1, V
O
O
IN
IN
= 0mA to 350mA
= 0mA to 750mA
= 8V to 14V; V
= 8V to 14V; V
O
OUT
TEST CONDITIONS
= 19V, No Tone.
= 12mA, unless otherwise noted. See software description section for I
O
O
= 13.3V
= 18.3V
Thermal Information
Thermal Resistance (Typical, Notes 2, 3)
Maximum Junction Temperature (Note 4) . . . . . . . . . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . . -40°C to +150°C
Operating Temperature Range . . . . . . . . . . . . . . . . . -20°C to +85°C
QFN Package (Notes 2, 3) . . . . . . . . . .
EPTSSOP Package (Notes 2, 3) . . . . .
13.04
14.02
17.94
19.00
MIN
350
275
515
635
800
7.5
7.0
8
2
-
-
-
-
-
-
-
-
-
-
8196
1000
TYP
13.3
14.3
18.3
19.3
400
100
305
570
705
890
900
1.5
4.0
4.0
4.0
A
12
50
51
10
-
-
= +25°C. EN = H, VTOP
θ
JA
(°C/W)
38
35
13.56
14.58
18.66
19.68
MAX
7.95
7.55
40.0
60.0
500
200
345
630
775
980
3.0
8.0
14
80
20
-
-
-
-
θ
April 10, 2007
JC
UNITS
Cycles
mA
mA
mV
mV
mV
mV
mV
mA
mA
mA
mA
mA
mA
ms
ms
FN6412.1
4.5
2.5
(°C/W)
V
V
V
V
V
V
V
2
C