ISL6721 Intersil Corporation, ISL6721 Datasheet - Page 7

• Manufacturer Part Number: ISL6721
• Description: Flexible Single Ended Current Mode PWM Controller
• Manufacturer: Intersil Corporation

Electrical Specifications
NOTE:
Typical Performance Curves
THERMAL PROTECTION
Thermal Shutdown
Thermal Shutdown Clear
Hysteresis
3. Specifications at -40
4. This is the V
5. Guaranteed by design, not 100% tested in production.
6. This is the maximum duty cycle achievable using the specified values of RT and CT. Larger or smaller maximum duty cycles may be obtained
FIGURE 3. OSCILLATOR FREQUENCY vs TEMPERATURE
FIGURE 1. EA REFERENCE VOLTAGE vs TEMPERATURE
using other values for RT and CT. See Equations 1 - 4.
1.002
0.996
0.989
0.983
0.976
1.002
0.998
0.995
0.993
0.991
1.002
0.996
0.989
0.983
0.976
0.97
1.002
0.998
0.995
0.993
0.991
0.97
1
-40
1
-40
40
CC
40
PARAMETER
current consumed when the device is active but not switching. Does not include gate drive current.
-10
-10
10
10
o
TEMPERATURE
C and 105
TEMPERATURE
Temperature (C)
Temperature (C)
20
20
20
20
7
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application
schematic. 9V < V
are at T
o
50
C are guaranteed by design, not production tested.
50
50
50
o
C
o
C
A
80
80
80
= 25
80
o
C (Continued)
110
110
110
110
CC
(Note 5)
(Note 5)
(Note 5)
= V
C
TEST CONDITIONS
< 20V ±10%, Rt = 11kΩ, Ct = 330 pF, T
ISL6721
FIGURE 2. VREF REFERENCE VOLTAGE vs TEMPERATURE
1-10
1.002
0.998
0.995
0.993
0.991
1 . 10
100
1.002
0.998
0.995
0.993
0.991
10
FIGURE 4. CAPACITANCE vs FREQUENCY
100
3
3
10
10
10
1
1
-40
40
20 30
20
MIN
120
105
-
-10
30
10
A
Temperature (C)
40
TEMPERATURE
40
= -40 to 105
20
20
50 60
RT (kΩ)
RT (kohms)
50
TYP
130
120
10
60
50
50
70 80
o
70
C (Note 3), Typical values
o
C
80
80
80
MAX
140
135
-
90 100
90
110
110
100
1000pF
2000pF
CT =
100 pF
220 pF
330 pF
470 pF
680 pF
1000 pF
2200 pF
100pF
220pF
330pF
470pF
680pF
UNITS
CT=
o
o
o
C
C
C