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參數資料
| 型號： | TOPP244R |
| 廠商： | Power Integrations, Inc. |
| 英文描述： | Family Extended Power, Design Flexible,Integrated Off-line Switcher |
| 中文描述： | 家庭擴展的電源，設計靈活，集成的離線切換 |
| 文件頁數： | 35/48頁 |
| 文件大小： | 771K |
| 代理商： | TOPP244R |
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TOP242-249
35
August 8, 2000
E
7/01
CONTROL FUNCTIONS (cont.)
Conditions
(Unless Otherwise Specified)
See Figure 53
SOURCE = 0 V
;
T
J
= -40 to 125
°
C
Min
Typ
Max
Parameter
Symbol
Units
See Note A
See Figure 7
T
J
= 25
°
C
I
C
= 4 mA; T
= 25
°
C
See Figure 51
DC
reg
l
B
lC
(OFF)
Z
C
PWM Gain
Temperature Drift
External Bias
Current
CONTROL
Current at 0%
Duty Cycle
Dynamic
Impedance
Dynamic
Impedance
Temperature Drift
Control Pin
Internal Filter Pole
%/mA/
°
C
mA
mA
%/
°
C
kHz
SHUTDOWN/AUTO-RESTART
V
C
= 0 V
V
C
= 5 V
l
C (CH)
V
C(AR)U
V
C(AR)L
V
C(AR)hyst
DC
(AR)
f
(AR)
Control Pin
Charging Current
Charging Current
Temperature Drift
Auto-restart Upper
Threshold Voltage
Auto-restart Lower
Threshold Voltage
Auto-restart
Hysteresis Voltage
Auto-restart Duty
Cycle
Auto-restart
Frequency
mA
%/
°
C
V
V
V
%
Hz
-5.0
-3.5
-2.0
-3.0
-1.8
-0.6
0.5
5.8
4.5
4.8
5.1
0.8
1.0
4
8
1.0
T
J
= 25
°
C
See Note A
PWM Gain
I
C
= 4 mA; T
J
= 25
°
C
-28 -23 -18
%/mA
TOP242-245
TOP246-249
TOP242-245
TOP246-249
-0.01
1.2
2.0
3.0
1.6
2.6
4.0
6.0
7.0
6.6
8.0
10
15
22
0.18
7
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| TOP242-249 | Family Extended Power, Design Flexible,Integrated Off-line Switcher |
| TOP242G | Family Extended Power, Design Flexible,Integrated Off-line Switcher |
| TOP242P | Family Extended Power, Design Flexible,Integrated Off-line Switcher |
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