ISL6405 Datasheet, PDF (5/13 Pages) Intersil Corporation – Dual Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-top Box Designs

ISL6405
Absolute Maximum Ratings
Supply Voltage, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . 8.0V to 18.0V
Logic Input Voltage Range (SDA, SCL, ENT) . . . . . . . . -0.5V to 7V
Thermal Information
Thermal Resistance (Typical, Notes 3, 4) θ_JA (^oC/W) θ_JC (^oC/W)
EPSOIC Package (Notes 3, 4) . . . . . . .
29
4
QFN Package (Notes 3, 4) . . . . . . . . . .
34
6
Maximum Junction Temperature (Note 5) . . . . . . . . . . . . . . . .150^oC
Maximum Storage Temperature Range . . . . . . . . . . -40^oC to 150^oC
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . .300^oC
(SOIC - Lead Tips Only)
Operating Temperature Range . . . . . . . . . . . . . . . . . -20^oC to 85^oC
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.
3. 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.
4. For θ_JC, the "case temp" location is the center of the exposed metal pad on the package underside.
5. The device junction temperature should be kept below 150^oC. Thermal shut-down circuitry turns off the device if junction temperature exceeds
+150^oC typically.
Electrical Specifications
V_CC = 12V, T_A = -20^oC to +85^oC, unless otherwise noted. Typical values are at T_A = 25^oC. EN1 = EN2 = H,
LLC1 = LLC2 = L, ENT1 = ENT2 = L, DCL = L, DSQIN1 = DSQIN2 = L, Iout = 12mA, unless otherwise noted.
See software description section for I²C access to the system.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Operating Supply Voltage Range
8
12
14
V
Standby Supply Current
EN1 = EN2 = L
-
1.5
3.0
mA
Supply Current
I_IN
EN1 = EN2 = LLC1 = LLC2 = VSEL1 =
VSEL2 = ENT1 = ENT2 = H, No Load
-
4.0
8.0
mA
UNDER VOLTAGE 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 6)
(Note 7)
-
512
-
Cycles
Output Voltage (Note 7)
Line Regulation
Load Regulation
Dynamic Output Current Limiting
V_O1
V_O1
V_O1
V_O1
V_O2
V_O2
V_O2
V_O2
DV_O1,
DV_O2
DV_O1,
DV_O2
I_MAX
VSEL1 = L, LLC1 = L
VSEL1 = L, LLC1 = H
VSEL1 = H, LLC1 = L
VSEL1 = H, LLC1 = H
VSEL2 = L, LLC2 = L
VSEL2 = L, LLC2 = H
VSEL2 = H, LLC2 = L
VSEL2 = H, LLC2 = H
V_IN = 8V to 14V; V_O1, V_O2 = 13V
V_IN = 8V to 14V; V_O1, V_O2 = 18V
I_O = 12mA to 350mA
I_O = 12mA to 750mA (Note 8)
DCL = L, ISEL1/2 = L
DCL = L, ISEL1/2 = H (Note 8)
12.74 13.0 13.26
V
13.72 14.0 14.28
V
17.64 18.0 18.36
V
18.62 19.0 19.38
V
12.74 13.0 13.26
V
13.72 14.0 14.28
V
17.64 18.0 18.36
V
18.62 19.0 19.38
V
-
4.0
40.0
mV
-
4.0
60.0
mV
-
50
80
mV
-
100
200
mV
425
-
550
mA
775
850
950
mA
Dynamic Overload Protection Off Time TOFF DCL = L, Output Shorted (Note 8)
-
900
-
ms
Dynamic Overload Protection On Time
TON
-
20
-
ms
5