参数资料
型号: ISL6843IUZ
厂商: Intersil
文件页数: 8/13页
文件大小: 0K
描述: IC REG CTRLR BST FLYBK ISO 8MSOP
标准包装: 98
PWM 型: 电流模式
输出数: 1
频率 - 最大: 2MHz
占空比: 100%
电源电压: 9 V ~ 16 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 105°C
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
包装: 管件
产品目录页面: 1243 (CN2011-ZH PDF)
ISL6840, ISL6841, ISL6842, ISL6843, ISL6844, ISL6845
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram” and
“Typical Application” schematic on pages 3 and 4. V DD = 15V (Note 12), R t = 10k Ω , C t = 3.3nF,
T A = -40°C to +105°C (Industrial) or T A = 0°C to +70°C (Commercial), Typical values are at T A = +25°C.
Boldface limits apply over the operating temperature range, -40°C to +105°C or 0°C to +70°C . (Continued)
MIN
MAX
PARAMETER
Maximum Duty Cycle
Minimum Duty Cycle
TEST CONDITIONS
ISL6840, ISL6842, ISL6843
ISL6841, ISL6844, ISL6845
ISL6840, ISL6842, ISL6843
ISL6841, ISL6844, ISL6845
(Note 9)
94
47
-
-
TYP
96
48
-
-
(Note 9)
-
-
0
0
UNITS
%
%
%
%
NOTES:
9. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
10. This is the V DD current consumed when the device is active but not switching. Does not include gate drive current.
11. Limits established by characterization and are not production tested.
12. Adjust V DD above the start threshold and then lower to 15V.
Typical Performance Curves
1.02
1.01
1.001
1.000
0.999
1.00
0.998
0.99
0.997
0.98
0.996
0.97
-40
-10
20
50
80
110
0.995
-40 -25 -10
5
20
35
50
65
80
95 110
TEMPERATURE (°C)
FIGURE 1. FREQUENCY vs TEMPERATURE
1.002
1.000
TEMPERATURE (°C)
FIGURE 2. REFERENCE VOLTAGE vs TEMPERATURE
10 3
100pF
0.998
100
220pF
330pF
470pF
1.0nF
0.996
10
2.2nF
3.3nF
4.7nF
0.994
-40 -25 -10
5
20
35
50
65
80
95
110
1
10
20
30
40
50 60
70
80
90
100
TEMPERATURE (°C)
FIGURE 3. EA REFERENCE vs TEMPERATURE
8
RT (k ? )
FIGURE 4. RESISTANCE FOR CT CAPACITOR VALUES GIVEN
FN9124.11
February 23, 2012
相关PDF资料
PDF描述
ISL6844IUZ IC REG CTRLR BST FLYBK ISO 8MSOP
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