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ISL6741IB Datasheet(PDF) 9 Page - Intersil Corporation

Part # ISL6741IB
Description  Flexible Double Ended Voltage and Current Mode PWM Controllers
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL6741IB Datasheet(HTML) 9 Page - Intersil Corporation

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ISL6740, ISL6741
9
FN9111.6
December 2, 2011
SS Clamp Voltage
4.35
4.5
4.65
V
Sustained Overcurrent Threshold Voltage (ISL6740) Charged Threshold minus:
0.20
0.25
0.30
V
Overcurrent/Short Circuit Discharge Current
SS = 2V
13
18
23
µA
Fault SS Discharge Current
SS = 2V
-
10.0
-
mA
Reset Threshold Voltage
0.25
0.27
0.33
V
FAULT
Fault High Level Output Voltage (VOH)
ILOAD = -10mA
2.85
3.5
-
V
Fault Low Level Output Voltage (VOL)
ILOAD = 10mA
-
0.4
0.9
V
Fault Rise Time
CLOAD = 100pF
-
15
-
ns
Fault Fall Time
CLOAD = 100pF
-
15
-
ns
OUTPUT
High Level Output Voltage (VOH)
VREF - OUTA or OUTB,
IOUT = -50mA
-0.5
1.0
V
Low Level Output Voltage (VOL)
OUTA or OUTB - GND, IOUT = 50mA
-
0.5
1.0
V
Rise Time
CGATE = 1nF, VDD = 15V
-
50
100
ns
Fall Time
CGATE = 1nF, VDD = 15V
-
40
80
ns
THERMAL PROTECTION
Thermal Shutdown
135
145
155
°C
Thermal Shutdown Clear
120
130
140
°C
Hysteresis, Internal Protection
-15
-
°C
Reference, External Protection
2.375
2.50
2.625
V
Hysteresis, External Protection
18
25
30
µA
SUPPLY UVLO/INHIBIT
Input Voltage Low/Inhibit Threshold
0.97
1.00
1.03
V
Hysteresis, Switched Current Amplitude
7
10
15
µA
Input High Clamp Voltage
4.8
--
V
Input Impedance
1
--
M
Ω
NOTES:
7. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
8. SYNC pulse width is the greater of this value or the CT discharge time.
9. This is the maximum duty cycle achievable using the specified values of RTC, RTD, and CT. Larger or smaller maximum duty cycles may be obtained
using other values for these components. See Equations 2 through 4.
Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram” on
page 2 and page 3 and Typical Application Schematics on page 4 to page 6. 9V < VDD < 20 V, RTD = 51.1kΩ, RTC = 10kΩ, CT = 470pF, TA = -40°C
to +105°C, Typical values are at TA = +25°C. Boldface limits apply over the operating temperature range, -40°C to +105°C (Continued)
PARAMETER
TEST CONDITIONS
MIN
(Note 7)
TYP
MAX
(Note 7)
UNITS


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