參數(shù)資料
型號: ISL6721AVZ
廠商: INTERSIL CORP
元件分類: 穩(wěn)壓器
英文描述: Flexible Single Ended Current Mode PWM Controller
中文描述: 1 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封裝: 4.40 MM, ROHS COMPLIANT, PLASTIC, MO-153AB, TSSOP-16
文件頁數(shù): 7/20頁
文件大小: 481K
代理商: ISL6721AVZ
7
THERMAL PROTECTION
Thermal Shutdown
(Note 5)
120
130
140
o
C
Thermal Shutdown Clear
(Note 5)
105
120
135
o
C
Hysteresis
(Note 5)
-
10
-
o
C
NOTE:
3. Specifications at -40
o
C and 105
o
C are guaranteed by design, not production tested.
4. This is the V
CC
current consumed when the device is active but not switching. Does not include gate drive current.
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
using other values for RT and CT. See Equations 1 - 4.
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application
schematic. 9V < V
CC
= V
C
< 20V
±10%, Rt = 11k
, Ct = 330 pF, T
A
= -40 to 105
o
C (Note 3), Typical values are
at T
A
= 25
o
C
(Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Typical Performance Curves
FIGURE 1. EA REFERENCE VOLTAGE vs TEMPERATURE
FIGURE 2. VREF REFERENCE VOLTAGE vs TEMPERATURE
FIGURE 3. OSCILLATOR FREQUENCY vs TEMPERATURE
FIGURE 4. CAPACITANCE vs FREQUENCY
40
10
20
50
80
0.991
0.993
0.995
0.998
1
1.002
TEMPERATURE
o
C
N
-40
-10
20
50
80
110
1
40
10
-10
20
50
80
110
0.991
0.993
0.995
0.998
1
1.002
Temperature (C)
o
C
N
N
R
-40
40
10
-10
20
50
80
110
0.97
0.976
0.983
0.989
0.996
1.002
TEMPERATURE
o
C
N
N
-40
10
20
40
RT (kohms)
RT (k
)
60
70
80
90 100
10
100
.
10
F
CT =
100 pF
220 pF
1000pF
330 pF
470 pF
680 pF
1000 pF
2200 pF
2000pF
F
1-10
3
100
10
30
50
CT=
ISL6721
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