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ISL6721AV-T Datasheet(PDF) 9 Page - Renesas Technology Corp

Part # ISL6721AV-T
Description  Flexible Single-Ended Current Mode PWM Controller
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ISL6721AV-T Datasheet(HTML) 9 Page - Renesas Technology Corp

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ISL6721
FN9110 Rev 9.00
Page 9 of 23
May 20, 2016
Undervoltage Hysteresis Voltage
20
50
100
mV
UV Bias Current
VUV = 2.00V
-1.0
-
1.0
µA
OV Bias Current
VOV = 2.00V
-1.0
-
1.0
µA
THERMAL PROTECTION
Thermal Shutdown
(Note 8)
120
130
140
°C
Thermal Shutdown Clear
(Note 8)
105
120
135
°C
Hysteresis
(Note 8)-
10
-
°C
NOTES:
6. Specifications at -40°C and +105°C are guaranteed by +25°C test with margin limits.
7. This is the VCC current consumed when the device is active but not switching. Does not include gate drive current.
8. Limits should be considered typical and are not production tested.
9. This is the maximum duty cycle achievable using the specified values of RT and CT. Larger or smaller maximum duty cycles may be obtained using
other values for RT and CT. See Equations 1, 2, 3 and 4.
Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram” on page 3
and “Typical Boost Converter Application Schematic” on page 5. 9V < VCC = VC < 20V, RT = 11kΩ, Ct = 330 pF, TA = -40°C to +105°C (Note 6), Typical
values are at TA = +25°C.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Typical Performance Curves
FIGURE 4. EA REFERENCE VOLTAGE vs TEMPERATURE
FIGURE 5. VREF REFERENCE VOLTAGE vs TEMPERATURE
FIGURE 6. OSCILLATOR FREQUENCY vs TEMPERATURE
FIGURE 7. RESISTANCE FOR CT CAPACITOR VALUES GIVEN
0.991
0.993
0.995
0.998
1
1.002
TEMPERATURE (°C)
-40
-10
20
50
80
110
1.002
1.000
0.998
0.995
0.993
0.991
0.991
0.993
0.995
0.998
1
1.002
1.002
1.000
0.998
0.995
0.993
0.991
-10
20
50
80
110
-40
TEMPERATURE (°C)
1.002
0.996
0.989
0.983
0.976
0.970
-10
205080
110
-40
TEMPERATURE (°C)
10 20
40 50 60 70 80 90 100
10
100
103
RT (k)
30
100pF
220pF
330pF
470pF
680pF
1000pF
2000pF


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