參數(shù)資料
型號(hào)： TOP245Y-TL
廠商： POWER INTEGRATIONS INC
元件分類： 穩(wěn)壓器
英文描述： 2.88 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZFM6
封裝： PLASTIC, TO-220, 7 PIN
文件頁(yè)數(shù)： 31/52頁(yè)
文件大?。?/td> 2175K
代理商： TOP245Y-TL
TOP242-250
37
M
12/04
Parameter
Symbol
Conditions
SOURCE = 0 V; T
J = -40 to 125 °C
See Figure 53
(Unless Otherwise Specied)
Min
Typ
Max
Units
CIRCUIT PROTECTION (cont.)
Initial Current Limit
I
INIT
See Note B
≤85 VAC
(Rectied Line Input)
0.75 x
I
LIMIT(MIN)
A
265 VAC
(Rectied Line Input)
0.6 x
I
LIMIT(MIN)
Leading Edge
Blanking Time
t
LEB
See Figure 52
T
J = 25 °C, IC = 4 mA
220
ns
Current Limit
Delay
t
IL(D)
I
C = 4 mA
100
ns
Thermal Shut-
down Temperature
130
140
150
°
C
Thermal Shut-
/=*down Hyster-
esis
Ω
75
°
C
Power-Up Reset
Threshold Voltage VC(RESET)
Figure 53, S1 Open
1.75
3.0
4.25
V
OUTPUT
ON-State
Resistance
R
DS(ON)
TOP242
I
D = 50 mA
T
J = 25 °C
15.6
18.0
T
J = 100 °C
25.7
30.0
TOP243
I
D = 100 mA
T
J = 25 °C
7.80
9.00
T
J = 100 °C
12.9
15.0
TOP244
I
D = 150 mA
T
J = 25 °C
5.20
6.00
T
J = 100 °C
8.60
10.0
TOP245
I
D = 200 mA
T
J = 25 °C
3.90
4.50
T
J = 100 °C
6.45
7.50
TOP246
I
D = 300 mA
T
J = 25 °C
2.60
3.00
T
J = 100 °C
4.30
5.00
TOP247
I
D = 400 mA
T
J = 25 °C
1.95
2.25
T
J = 100 °C
3.22
3.75
TOP248
I
D = 500 mA
T
J = 25 °C
1.56
1.80
T
J = 100 °C
2.58
3.00
TOP249
I
D = 600 mA
T
J = 25 °C
1.30
1.50
T
J = 100 °C
2.15
2.50
TOP250
I
D = 700 mA
T
J = 25 °C
1.10
1.28
T
J = 100 °C
1.85
2.15
OFF-State Drain
Leakage Current
I
DSS
V
L, VM = Floating; IC = 4 mA
V
DS = 560 V; TJ = 25 °C
470
A
Breakdown
Voltage
BV
DSS
V
L, VM = Floating; IC = 4 mA
See Note D, T
J = 25 °C
700
V
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