ISL6421AER Intersil, ISL6421AER Datasheet - Page 4

• Manufacturer Part Number: ISL6421AER
• Description: IC REG SGL LNB CONTROL 32-QFN
• Manufacturer: Intersil

Specifications of ISL6421AER

• Applications: Converter, Satellite Set-Top Box Designs
• Voltage - Input: 8 ~ 14 V
• Number Of Outputs: 1
• Voltage - Output: 13 ~ 18 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Absolute Maximum Ratings
Supply Voltage, V
Logic Input Voltage Range (SDA, SCL, ENT) . . . . . . . . -0.5V to 7V
Output Current . . . . . . . . . . . . . . . . . . . . Externally/Internally Limited
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 3)
OUTPUT VOLTAGE
Output Voltage (Note 4)
Line Regulation
Load Regulation
Dynamic Output Current Limiting
Dynamic Overload Protection Off Time
Dynamic Overload Protection On Time
Output Backward Current
22kHz TONE
Tone Frequency
Tone Amplitude
Tone Duty Cycle
Tone Rise or Fall Time
1. θ
2. For θ
Tech Brief TB379.
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
4
VCC = 12V, T
ENT = L, DCL = L, DSQIN = L, Iout = 12mA, unless otherwise noted. See software description section for I
access to the system.
SYMBOL
DV
DV
dc
V
V
V
V
T
V
I
I
T
f
T
MAX
OBK
tone
OOU
I
OUT
OUT
OUT
OFF
tone
r
ON
tone
IN
OUT
OUT
, T
A
f
= -20°C to +85°C, unless otherwise noted. Typical values are at T
EN = L
EN = LLC = VSEL = ENT = H, No Load
(Note 5)
VSEL = L, LLC = L
VSEL = L, LLC = H
VSEL = H, LLC = L
VSEL = H, LLC = H
V
V
I
DCL = L
DCL = L, Output Shorted (Note 5)
EN = 0; V
ENT = H
ENT = H
ENT = H
ENT = H
O
IN
IN
= 12mA to 450mA
= 8V to 14V; V
= 8V to 14V; V
ISL6421A
OBK
TEST CONDITIONS
= 24V
OUT
OUT
Thermal Information
Thermal Resistance (Notes 1, 2)
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . . . -40°C to 150°C
For recommended soldering conditions, see Tech Brief TB389.
NOTE: The device junction temperature should be kept below
150°C. Thermal shut-down circuitry turns off the device if junction
temperature exceeds +150°C typically.
= 13V
= 18V
QFN Package. . . . . . . . . . . . . . . . . . . .
12.74
13.72
17.64
18.62
20.0
MIN
350
500
500
7.5
7.0
40
8
5
-
-
-
-
-
-
-
-
-
1024
TYP
13.0
14.0
18.0
19.0
22.0
400
900
680
1.5
4.0
4.0
4.0
2.0
12
50
20
50
A
8
-
-
-
= 25°C. EN = H, LLC = L,
θ
JA
(°C/W)
35
13.26
14.28
18.36
19.38
MAX
7.95
7.55
40.0
60.0
24.0
500
625
900
3.0
8.0
3.0
14
80
60
14
-
-
-
θ
March 9, 2006
JC
UNITS
Cycles
kHz
mA
mA
mV
mV
mV
mV
mA
mA
mV
ms
ms
FN9167.3
µs
(°C/W)
%
V
V
V
V
V
V
V
6
2
C