參數資料
型號: TOP248R-TL
英文描述: SMPS Controller
中文描述: 開關電源控制器
文件頁數: 37/52頁
文件大?。?/td> 457K
代理商: TOP248R-TL
TOP242-250
37
H
9/02
I
LIMIT
I
INIT
A
A
Conditions
(Unless Otherwise Specified)
See Figure 53
SOURCE = 0 V
;
T
J
= -40 to 125
°
C
Min
Typ
Max
Parameter
Symbol
Units
CIRCUIT PROTECTION
FREQUENCY INPUT
FREQUENCY Pin
Threshold Voltage
FREQUENCY Pin
Input Current
V
F
= V
C
V
F
I
F
Self Protection
Current Limit
(See Note C)
Initial Current Limit
See Note B
2.9
V
10
40
100
μ
A
MULTI-FUNCTION (M), LINE-SENSE (L) AND EXTERNAL CURRENT LIMIT (X) INPUTS
Remote ON Delay
Remote OFF
Setup Time
t
R(ON)
t
R(OFF)
From Remote On to Drain Turn-On
See Note B
Minimum Time Before Drain Turn-On
to Disable Cycle
See Note B
2.5
μ
s
2.5
μ
s
TOP242 P/G
TOP242 Y/R/F
T
J
= 25
°
C
TOP243 P/G
T
J
= 25
°
C
TOP243 Y/R/F
T
J
= 25
°
C
TOP244 P/G
T
J
= 25
°
C
TOP244 Y/R/F
T
J
= 25
°
C
TOP245 Y/R/F
T
J
= 25
°
C
TOP246 Y/R/F
T
J
= 25
°
C
TOP247 Y/R/F
T
J
= 25
°
C
TOP248 Y/R/F
T
J
= 25
°
C
TOP249 Y/R/F
T
J
= 25
°
C
TOP250 Y/R/F
T
J
= 25
°
C
85 VAC
(Rectified Line Input)
265 VAC
(Rectified Line Input)
Internal
di/dt=90 mA/
μ
s
Internal
di/dt=150 mA/
μ
s
Internal
di/dt=180 mA/
μ
s
Internal
di/dt=200 mA/
μ
s
Internal
di/dt=270 mA/
μ
s
Internal
di/dt=360 mA/
μ
s
Internal
di/dt=540 mA/
μ
s
Internal
di/dt=720 mA/
μ
s
Internal
di/dt=900 mA/
μ
s
Internal
di/dt=1080 mA/
μ
s
Internal
di/dt=1260 mA/
μ
s
0.418
0.45
0.481
0.697
0.75
0.802
0.837
0.90
0.963
0.930
1.00 1.070
1.256
1.35 1.445
1.674
1.80 1.926
2.511
2.70 2.889
3.348
3.60 3.852
4.185
4.50
4.815
5.022
5.40
5.778
5.859
6.30
6.741
0.75 x
I
LIMIT(MIN)
0.6 x
I
LIMIT(MIN)
See
Note B
相關PDF資料
PDF描述
TOP249F SMPS Controller
TOP249R-TL SMPS Controller
TOP243R-TL SMPS Controller
TOP244F SMPS Controller
TOP244G SMPS Controller
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