參數(shù)資料
型號: TOP249FN-TL
廠商: POWER INTEGRATIONS INC
元件分類: 穩(wěn)壓器
英文描述: 8.64 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZIP6
封裝: LEAD FREE, PLASTIC, TO-262, 7/6 PIN
文件頁數(shù): 40/52頁
文件大小: 2175K
代理商: TOP249FN-TL
TOP242-250
45
N
4/05
Typical Performance Characteristics (cont.)
Figure 67. Output Characteristics.
Figure 68. I
C vs. DRAIN Voltage.
6
5
0
2
4
6
8 10 12 14 16 18 20
DRAIN Voltage (V)
DRAIN
Current
(A)
PI-2645-010802
2
1
TCASE = 25 °C
TCASE = 100 °C
4
3
TOP250 1.17
TOP249 1.00
TOP248 0.83
TOP247 0.67
TOP246 0.50
TOP245 0.33
TOP244 0.25
TOP243 0.17
TOP242 0.08
Scaling Factors:
2
1.2
1.6
0
20
40
60
80
100
DRAIN Voltage (V)
CONTROL
Pin
Charging
Current
(mA)
PI-2564-101499
0.4
0.8
VC = 5 V
0
100
200
300
400
500
600
10
100
1000
10000
PI-2646-010802
Drain Voltage (V)
DRAIN
Capacitance
(pF)
TOP250 1.17
TOP249 1.00
TOP248 0.83
TOP247 0.67
TOP246 0.50
TOP245 0.33
TOP244 0.25
TOP243 0.17
TOP242 0.08
Scaling Factors:
600
400
500
200
100
300
0
200
100
400
500
300
600
DRAIN Voltage (V)
Power
(mW)
PI-2650-020802
TOP250 1.17
TOP249 1.00
TOP248 0.83
TOP247 0.67
TOP246 0.50
TOP245 0.33
TOP244 0.25
TOP243 0.17
TOP242 0.08
Scaling Factors:
1.2
0.8
1.0
0
-50
0
50
100
150
Junction Temperature (
°C)
Remote
OFF
DRAIN
Supply
Current
(Normalized
to
25
°C)
PI-2690-102700
0.2
0.4
0.6
Figure 69. C
OSS vs. DRAIN Voltage.
Figure 70. DRAIN Capacitance Power.
Figure 71. Remote OFF DRAIN Supply Current vs.
Temperature.
相關PDF資料
PDF描述
TOP246F-TL 4.32 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZIP6
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