参数资料
型号: TOP242G-TL
厂商: POWER INTEGRATIONS INC
元件分类: 稳压器
英文描述: 0.72 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PDSO7
封装: PLASTIC, SMD-8/7
文件页数: 36/52页
文件大小: 2175K
代理商: TOP242G-TL
TOP242-250
41
N
4/05
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
-250
-200
-150
-100
-50
IM (A)
Current
Limit
(A)
PI-3652-031904
0
Scaling Factor:
TOP245P: 1.1
40
60
80
100
120
140
160
180
200
di/dt
(mA/
s)
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
40
60
80
100
120
140
160
180
200
0
5K
10K
15K
20K
25K
30K
35K
40K
External Current Limit Resistor RIL ()
Current
Limit
(A
)
di/dt
(mA/
s)
PI-3651-031804
45K
Measured at 25
°C.
Scaling Factor:
TOP245P: 1.1
Typical
Refer to MULTIFUNCTION (M) Pin
Operation section
.70
.80
.75
.85
.90
1.00
.95
1.05
1.10
1.15
1.20
1.25
0
5K
10K
15K
20K
25K
30K
35K
40K
External Current Limit Resistor RIL ()
Current
Limit
(Normalized
to
25
°C)
PI-3653-073003
45K
0
°C
100
°C
25
°C
Figure 55b. Current Limit vs. External Current Limit Resistance (TOP245P only).
Figure 55c. External Current Limit vs. External Current Limit Resistance at 0 °C, 25 °C and 100 °C Junction
Temperature (TOP245P only).
Figure 55a. Current Limit vs. MULTI-FUNCTION Pin Current (TOP245P only).
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