参数资料
型号: TOP244PN-TL
厂商: POWER INTEGRATIONS INC
元件分类: 稳压器
英文描述: 2.16 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PDIP7
封装: PLASTIC, DIP-8/7
文件页数: 38/52页
文件大小: 457K
代理商: TOP244PN-TL
TOP242-250
43
H
9/02
Typical Performance Characteristics (cont.)
6
5
4
3
2
1
0
-300 -200 -100
0
100 200 300 400 500
PI-2542-102700
MULTI-FUNCTION
Pin
Voltage
(V)
MULTI-FUNCTION Pin Current (A)
See
Expanded
Version
Figure 63a. MULTI-FUNCTION Pin Voltage vs. Current.
Figure 63b. MULTI-FUNCTION Pin Voltage vs.
Current (Expanded).
Figure 64. Control Current Out at 0% Duty Cycle vs.
Temperature.
Figure 65. Max. Duty Cycle Reduction Onset Threshold
Current vs. Temperature.
6.0
4.5
5.5
5.0
2.0
0
100
200
300
400
LINE-SENSE Pin Current (
A)
LINE
SENSE
Pin
Voltage
(V)
PI-2688-102700
3.0
2.5
3.5
4.0
Figure 62a. LINE-SENSE Pin Voltage vs. Current.
Figure 62b. EXTERNAL CURRENT LIMIT Pin Voltage
vs. Current.
1.2
1.0
0.8
0.6
0.4
0.2
0
-50 -25
0
25
50
75 100 125 150
Junction Temperature (°C)
PI-2562-033001
CONTROL
Current
(Normalized
to
25
°C)
1.2
1.0
0.8
0.6
0.4
0.2
0
-50 -25
0
25
50
75 100 125 150
Junction Temperature (°C)
PI-2563-033001
Onset
Threshold
Current
(Normalized
to
25
°C)
1.6
1.0
1.4
1.2
0
-240
-180
-60
-120
0
EXTERNAL CURRENT LIMIT Pin Current (
A)
EXTERNAL
CURRENT
LIMIT
Pin
Voltage
(V)
PI-2689-102300
0.4
0.2
0.6
0.8
V
X = 1.33 - IXx 0.66 k
-200
A
I
X -25 A
1.2
1.4
1.6
0.4
0.6
0.2
0.8
1.0
0
-300
-200
-150
-50
-250
-100
0
MULTI-FUNCTION
Pin
Voltage
(V)
PI-2541-102700
MULTI-FUNCTION Pin Current (
A)
V
M = 1.37 - IMx 1 k
-200
A
I
M -25 A
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