參數(shù)資料
型號(hào): LNK574DG
廠商: POWER INTEGRATIONS INC
元件分類: 模擬信號(hào)調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO8
封裝: GREEN, PLASTIC, MS-012, SOP-8
文件頁(yè)數(shù): 4/16頁(yè)
文件大?。?/td> 1515K
代理商: LNK574DG
Rev. B 12/07/10
12
LNK574
www.powerint.com
Drain Voltage (V)
Drain
Capacitance
(pF)
PI-3928-083104
0
100
200
300
400
500
600
1
10
100
1000
Typical Performance Characteristics (cont.)
Figure 16. C
DSS vs. Drain Voltage.
Figure 18. FEEDBACK Pin Regulation Voltage Threshold vs.
Output Load in CV Mode.
Figure 20. FEEDBACK Pin Input Characteristics in CC Mode
(1.7 V to 0.9 V).
Figure 17. Frequency Reduction vs. Duty Cycle (Line Voltage).
Figure 19. FEEDBACK Pin Input Characteristics.
Figure 21. Frequency Cut Back in CC Mode Normalized to 1.
110
100
90
80
70
60
0
10
20
30
40
50
60
70
Duty Cycle (%)
PI-6068-071910
Frequency
(kHz)
1.8
1.7
1.6
1.5
1.4
1.3
0 10 20 30 40 50 60 70 80 90 100
Output Load (%)
PI-6069-0721
10
FEEDBACK
Pin
V
oltage
(V)
50
40
30
20
0
10
-10
-20
-30
0.0
1.0 2.0 3.0
4.0 5.0
6.0
7.0
FEEDBACK Pin Voltage (V)
PI-6070-0721
10
FEEDBACK
Pin
Current
(
A)
0
-4
-2
-6
-8
-10
-12
-14
-16
-18
-20
0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8
FEEDBACK Pin Voltage (V)
PI-6071-0721
10
FEEDBACK
Pin
Current
(
A)
0
-3
-2
-1
-4
-5
-6
-7
-8
-9
-10
-11
-12
-13
-14
-15
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Frequency Normalized to 1
PI-6072-0721
10
FEEDBACK
Pin
Current
(
A)
Auto-Restart
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