top250p Power Integrations, Inc., top250p Datasheet - Page 36

• Manufacturer Part Number: top250p
• Description: Extended Power, Design Flexible, Ecosmart, Integrated Off-line Switcher A
• Manufacturer: Power Integrations, Inc.

Maximum Duty
Cycle Reduction
Onset Threshold
Current
Remote OFF
DRAIN Supply
Current
Remote ON Delay
Remote OFF
Setup Time
FREQUENCY INPUT
FREQUENCY Pin
Threshold Voltage
FREQUENCY Pin
Input Current
CIRCUIT PROTECTION
Self Protection
Current Limit
(See Note C)
36
MULTI-FUNCTION, LINSE-SENSE AND EXTERNAL CURRENT LIMIT INPUTS (cont.)
TOP242-250
Parameter
O
11/05
Symbol
I
I
L(DC)
t
I
t
D(RMT)
I
R(OFF)
M(DC)
R(ON)
LIMIT
V
I
F
F
or
TOP242 Y/R/F
TOP243 Y/R/F
TOP244 Y/R/F
TOP245 Y/R/F
TOP246 Y/R/F
TOP247 Y/R/F
Minimum Time Before Drain Turn-On
See Figure 71
V
TOP242 P/G
TOP243 P/G
TOP244 P/G
TOP245 P/G
TOP246 P/G
From Remote ON to Drain Turn-On
SOURCE = 0 V; T
DRAIN
T
T
T
T
T
T
T
T
T
T
J
J
J
J
J
J
J
J
J
J
(Unless Otherwise Specified)
to Disable Cycle, See Note B
= 25 °C
= 25 °C
= 25 °C
= 25 °C
= 25 °C
= 25 °C
= 25 °C
= 25 °C
= 25 °C
= 25 °C
= 150 V
Conditions
See Figure 53
See Note B
See Note B
T
J
V
= 25 °C
F
= V
L or M Pin Shorted
di/dt = 150 mA/µs
di/dt = 180 mA/µs
di/dt = 200 mA/µs
di/dt = 270 mA/µs
di/dt = 220 mA/µs
di/dt = 360 mA/µs
di/dt = 270 mA/µs
di/dt = 540 mA/µs
di/dt = 720 mA/µs
di/dt = 90 mA/µs
J
= -40 to 125 °C
to CONTROL
X, L or M Pin
C
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Internal
Floating
0.418
0.697
0.837
0.930
1.256
1.674
1.256
3.348
2.511
Min
1.02
40
10
Typ
0.45
0.75
0.90
1.00
1.35
1.10
1.80
1.35
2.70
3.60
0.6
1.0
2.5
2.5
2.9
60
40
0.481
0.802
0.963
1.070
1.445
1.926
1.445
2.889
3.852
Max
1.18
100
1.0
1.6
75
Units
mA
µA
µA
µs
µs
V
A