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ISL6842IRZ-T Datasheet(PDF) 6 Page - Intersil Corporation

Part # ISL6842IRZ-T
Description  Improved Industry Standard Single-Ended Current Mode PWM Controller
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL6842IRZ-T Datasheet(HTML) 6 Page - Intersil Corporation

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6
FN9124.11
February 23, 2012
Absolute Maximum Ratings
Thermal Information
Supply Voltage, VDD . . . . . . . . . . . . . . . . . . . GND - 0.3V to +20.0V
OUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to VDD + 0.3V
Signal Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 6.0V
Peak GATE Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1A
Operating Conditions
Temperature Range
ISL684xIx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +105°C
ISL684xCx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
Supply Voltage Range (Typical, Note 8)
ISL6840, ISL6841. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.5V to 14V
ISL6843, ISL6845. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9V to 16V
ISL6842, ISL6844. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V to 18V
Thermal Resistance (Typical)
θJA (°C/W) θJC (°C/W)
DFN Package (Notes 5, 6) . . . . . . . . . .
77
6
SOIC Package (Note 5) . . . . . . . . . . . .
100
N/A
MSOP Package (Notes 5, 7) . . . . . . . .
165
62
Maximum Junction Temperature . . . . . . . . . . . . . . .-55°C to +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Pb-free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . .see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTES:
5.
θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
6. For
θJC, the “case temp” location is the center of the exposed metal pad on the package underside.
7. For
θJC, the “case temp” location is taken at the package top center.
8. All voltages are with respect to GND.
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram” and
“Typical Application” schematic on pages 3 and 4. VDD = 15V (Note 12), Rt = 10kΩ, Ct = 3.3nF,
TA = -40°C to +105°C (Industrial) or TA = 0°C to +70°C (Commercial), Typical values are at TA = +25°C.
Boldface limits apply over the operating temperature range, -40°C to +105°C or 0°C to +70°C
.
PARAMETER
TEST CONDITIONS
MIN
(Note 9)
TYP
MAX
(Note 9)
UNITS
UNDERVOLTAGE LOCKOUT
START Threshold (ISL6840, ISL6841)
6.5
7.0
7.5
V
START Threshold (ISL6843, ISL6845)
7.8
8.4
9.0
V
START Threshold (ISL6842, ISL6844)
13.3
14.3
15.3
V
STOP Threshold (ISL6840, ISL6841)
6.1
6.6
6.9
V
STOP Threshold (ISL6843, ISL6845)
6.7
7.2
7.7
V
STOP Threshold (ISL6843C Only)
6.6
7.2
7.8
V
STOP Threshold (ISL6842, ISL6844)
8.0
8.8
9.6
V
Hysteresis (ISL6840, ISL6841)
-0.4
-
V
Hysteresis (ISL6843, ISL6845)
-0.8
-
V
Hysteresis (ISL6842, ISL6844)
-5.4
-
V
Start-up Current, IDD
VDD < START Threshold
-
60
100
µA
Operating Current, IDD
(Note 10)
-
3.3
4.0
mA
Operating Supply Current, ID
Includes 1nF GATE loading
-
4.1
5.5
mA
REFERENCE VOLTAGE
Overall Accuracy
Over line (VDD = 12V to 18V), load, temperature
4.925
5.000
5.050
V
Overall Accuracy (ISL6843C Only)
4.82
5.000
5.18
V
Long Term Stability
TA = +125°C, 1000 hours (Note 11)
-
5
-
mV
Fault Voltage
4.40
4.65
4.85
V
VREF Good Voltage
4.60
4.80
VREF - 0.05
V
Hysteresis
50
165
250
mV
ISL6840, ISL6841, ISL6842, ISL6843, ISL6844, ISL6845


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