参数资料
型号: TOP245PN
厂商: Power Integrations
文件页数: 34/52页
文件大小: 0K
描述: IC OFFLINE SWIT OVP UVLO HV 8DIP
标准包装: 50
输出隔离: 隔离
频率范围: 66 ~ 132kHz
输出电压: 700V
功率(瓦特): 30W
工作温度: -40°C ~ 150°C
封装/外壳: 8-DIP(0.300",7.62mm),7 引线
供应商设备封装: DIP-8B
包装: 管件
产品目录页面: 1204 (CN2011-ZH PDF)
其它名称: 596-1074-5
TOP242-250
Conditions
Parameter
Symbol
SOURCE = 0 V; T J = -40 to 125 °C
See Figure 53
(Unless Otherwise Speci?ed)
Min
Typ
Max
Units
CONTROL FUNCTIONS (cont.)
I L ≤ I L(DC) or I M ≤ I M(DC)
I L or I M = 190 μ A
TOP242-247
75
28
78
38
83
50
Maximum Duty
Cycle
DC MAX
I C = I CD1
I L or I M = 100 μ A
TOP242-247
I L = 190 μ A
TOP248-250
33
66.5
41.3
49.5
%
I L = 100 μ A
TOP248-250
60
66.8
73.5
PWM Gain
Temperature Drift
External Bias
Current
Dynamic I C = 4 mA; T J = 25 °C
Impedance
Z C
Soft-StartTime t SOFT T J =25°C;DC MIN toDC MAX
PWM Gain DC reg I C = 4 mA; T J = 25 °C
I B See Figure 7 TOP246-249
CONTROL TOP242-245
Current at 0% I C(OFF) T J = 25 °C TOP246-249
Duty Cycle TOP250
Dynamic
Impedance
Temperature Drift
CONTROL Pin
Internal Filter Pole
SHUTDOWN/AUTO-RESTART
See Note A
TOP242-245
TOP250
See Figure 51
-28
1.2
1.6
1.7
10
10
-23
-0.01
2.0
2.6
2.7
6.0
6.6
7.3
15
0.18
7
15
-18
3.0
4.0
4.2
7.0
8.0
8.5
22
ms
%/mA
%/mA/°C
mA
mA
?
%/°C
kHz
CONTROL Pin
Charging Current
Charging Current
Temperature Drift
Auto-Restart
Upper Threshold
Voltage
Auto-Restart
Lower Threshold
Voltage
I C(CH)
V C(AR)U
V C(AR)L
T J = 25 °C
See Note A
V C = 0 V
V C = 5 V
-5.0
-3.0
4.5
-3.5
-1.8
0.5
5.8
4.8
-2.0
-0.6
5.1
mA
%/°C
V
V
34
O
11/05
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