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TOP254PN Datasheet(PDF) 36 Page - Power Integrations, Inc.

Part No. TOP254PN
Description  Enhanced EcoSmart®, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range
Download  48 Pages
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Maker  POWERINT [Power Integrations, Inc.]
Homepage  http://www.powerint.com
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TOP254PN Datasheet(HTML) 36 Page - Power Integrations, Inc.

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Rev. F 01/09
36
TOP252-262
www.powerint.com
Parameter
Symbol
Conditions
SOURCE = 0 V; T
J = -40 to 125 °C
(Unless Otherwise Specified)
Min
Typ
Max
Units
Circuit Protection (cont.)
Self Protection
Current Limit
(See Note C)
I
LIMIT
TOP258YN/EN
T
J = 25 °C
di/dt = 890 mA/
μs
3.999
4.30
4.601
A
TOP259LN
T
J = 25 °C
di/dt = 720 mA/
μs
3.236
3.48
3.724
TOP259YN/EN
T
J = 25 °C
di/dt = 1065 mA/
μs
4.790
5.15
5.511
TOP260LN
T
J = 25 °C
di/dt = 870 mA/
μs
3.906
4.20
4.494
TOP260YN/EN
T
J = 25 °C
di/dt = 1240 mA/
μs
5.580
6.00
6.420
TOP261LN
T
J = 25 °C
di/dt = 1065 mA/
μs
4.808
5.17
5.532
TOP261YN/EN
T
J = 25 °C
di/dt = 1530 mA/
μs
6.882
7.40
7.918
TOP262LN
T
J = 25 °C
di/dt = 1065 mA/
μs
4.808
5.17
5.532
TOP262EN
T
J = 25 °C
di/dt = 1530 mA/
μs
6.882
7.40
7.918
Initial Current Limit
I
INIT
See Note B
0.70 ×
I
LIMIT(MIN)
A
Power Coefficient
P
COEFF
T
J = 25 °C,
See Note D
I
X or IM ≤ - 165 μA
0.9 × I2fI2f
1.2 × I2f
A2kHz
I
X or IM ≤ - 117 μA
0.9 × I2fI2f
1.2 × I2f
Leading Edge
Blanking Time
t
LEB
T
J = 25 °C, See Figure 53
220
ns
Current Limit Delay
t
IL(D)
100
ns
Thermal Shutdown
Temperature
135
142
150
°C
Thermal Shutdown
Hysteresis
75
°C
Power-Up Reset
Threshold Voltage
V
C(RESET)
Figure 54 (S1 Open Condition)
1.75
3.0
4.25
V
Output
ON-State
Resistance
R
DS(ON)
TOP252
I
D = 50 mA
T
J = 25 °C
19.1
22.00
Ω
T
J = 100 °C
28.8
33.40
TOP253
I
D = 100 mA
T
J = 25 °C
8.8
10.10
T
J = 100 °C
13.1
15.20
TOP254
I
D = 150 mA
T
J = 25 °C
5.4
6.25
T
J = 100 °C
8.35
9.70
TOP255
I
D = 200 mA
T
J = 25 °C
4.1
4.70
T
J = 100 °C
6.3
7.30
TOP256
I
D = 300 mA
T
J = 25 °C
2.8
3.20
T
J = 100 °C
4.1
4.75
TOP257
I
D = 400 mA
T
J = 25 °C
2.0
2.30
T
J = 100 °C
3.1
3.60
TOP258
I
D = 500 mA
T
J = 25 °C
1.7
1.95
T
J = 100 °C
2.5
2.90


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