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參數(shù)資料
| 型號： | TOP248F-TL |
| 廠商： | POWER INTEGRATIONS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 7.2 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZIP6 |
| 封裝： | PLASTIC, TO-262, 7/6 PIN |
| 文件頁數(shù)： | 28/52頁 |
| 文件大?。?/td> | 2175K |
| 代理商： | TOP248F-TL |
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TOP242-250
N
4/05
34
Parameter
Symbol
Conditions
SOURCE = 0 V; T
J = -40 to 125 °C
See Figure 53
(Unless Otherwise Specied)
Min
Typ
Max
Units
CONTROL FUNCTIONS (cont.)
Maximum Duty
Cycle
DC
MAX
I
C = ICD1
I
L ≤ IL(DC) or IM ≤ IM(DC)
75
78
83
%
I
L or IM = 190 A
TOP242-247
28
38
50
I
L or IM = 100 A
TOP242-247
66.5
I
L = 190 A
TOP248-250
33
41.3
49.5
I
L = 100 A
TOP248-250
60
66.8
73.5
Soft-Start Time
t
SOFT
T
J = 25 °C; DCMIN to DCMAX
10
15
ms
PWM Gain
DC
reg
I
C = 4 mA; TJ = 25 °C
-28
-23
-18
%/mA
PWM Gain
Temperature Drift
See Note A
-0.01
%/mA/°C
External Bias
Current
I
B
See Figure 7
TOP242-245
1.2
2.0
3.0
mA
TOP246-249
1.6
2.6
4.0
TOP250
1.7
2.7
4.2
CONTROL
Current at 0%
Duty Cycle
I
C(OFF)
T
J = 25 °C
TOP242-245
6.0
7.0
mA
TOP246-249
6.6
8.0
TOP250
7.3
8.5
Dynamic
Impedance
Z
C
I
C = 4 mA; TJ = 25 °C
See Figure 51
10
15
22
Dynamic
Impedance
Temperature Drift
0.18
%/°C
CONTROL Pin
Internal Filter Pole
7
kHz
SHUTDOWN/AUTO-RESTART
CONTROL Pin
Charging Current
I
C(CH)
T
J = 25 °C
V
C = 0 V
-5.0
-3.5
-2.0
mA
V
C = 5 V
-3.0
-1.8
-0.6
Charging Current
Temperature Drift
See Note A
0.5
%/°C
Auto-Restart
Upper Threshold
Voltage
V
C(AR)U
5.8
V
Auto-Restart
Lower Threshold
Voltage
V
C(AR)L
4.5
4.8
5.1
V
相關PDF資料 |
PDF描述 |
|---|---|
| TOP243G-TL | 1.44 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PDSO7 |
| TOP248FN-TL | 7.2 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZIP6 |
| TOP250F-TL | 10.08 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZIP6 |
| TOP245F | 2.88 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZIP6 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TOP248G- | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
| TOP248GN- | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
| TOP248GN-TL | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
| TOP248G-TL | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
| TOP248P- | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
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