TOP242 Power Integrations Inc., TOP242 Datasheet - Page 34

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TOP242

Manufacturer Part Number
TOP242
Description
Family Extended Power/ Design Flexible/Integrated Off-line Switcher
Manufacturer
Power Integrations Inc.
Datasheet

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Switching
Frequency
(average)
Duty Cycle at
ONSET of Fre-
quency Reduction
Switching
Frequency near
0% Duty Cycle
Frequency Jitter
Deviation
Frequency Jitter
Modulation Rate
Maximum Duty
Cycle
Soft Start Time
34
Thermal Impedance: Y Package (θ
CONTROL FUNCTIONS
TOP242-249
DRAIN Voltage ............................................ -0.3 to 700 V
DRAIN Peak Current: TOP242 ............................... 0.72 A
CONTROL Voltage .......................................... -0.3 to 9 V
CONTROL Current ............................................... 100 mA
Parameter
E
7/01
August 8, 2000
P or G Package:
TOP243 ............................... 1.44 A
TOP244 ............................... 2.16 A
TOP245 ............................... 2.88 A
TOP246 ............................... 4.32 A
TOP247 ............................... 5.76 A
TOP248 ............................... 7.20 A
TOP249 ............................... 8.64 A
Symbol
DC
f
OSC (DMIN)
JA
JC
DC
t
)
f
) ...... 45 °C/W
SOFT
OSC
(ONSET)
∆f
f
(5)
M
MAX
......................... 11 °C/W
JA
JC
)
)
(1)
(2)
ABSOLUTE MAXIMUM RATINGS
............... 70 °C/W
................ 2 °C/W
T
SOURCE = 0 V
I
C
J
I
C
= 25 °C
= 3 mA;
(Unless Otherwise Specified)
= I
(3)
THERMAL IMPEDANCE
T
; 35 °C/W
J
CD1
= 25 °C; DC
Conditions
See Figure 53
Connected to CONTROL
Connected to SOURCE
(4)
I
132 kHz Operation
132 kHz Operation
L
;
FREQUENCY Pin
FREQUENCY Pin
66 kHz Operation
66 kHz Operation
I
≤ I
T
L
Notes:
1. Free standing with no heatsink.
2. Measured at the back surface of tab.
3. Soldered to 0.36 sq. inch (232 mm
4. Soldered to 1 sq. inch (645 mm
5. Measured on the SOURCE pin close to plastic interface.
J
or I
L (DC)
MIN
= -40 to 125 °C
LINE SENSE Pin Voltage ................................ -0.3 to 9 V
CURRENT LIMIT Pin Voltage ..................... -0.3 to 4.5 V
MULTI-FUNCTION Pin Voltage .................... -0.3 to 9 V
FREQUENCY Pin Voltage ............................... -0.3 to 9 V
Storage Temperature ..................................... -65 to 150 °C
Operating Junction Temperature
Lead Temperature
Notes:
1. All voltages referenced to SOURCE, T
2. Normally limited by internal circuitry.
3. 1/16" from case for 5 seconds.
M
to DC
or I
= 190 µA
M
MAX
≤ I
M(DC)
(3)
(1)
61.5
Min
124
............................................... 260 °C
75
28
2
), 2oz. (610 gm/m
2
Typ
132
250
± 4
± 2
), 2oz. (610 gm/m
66
10
30
15
10
78
38
(2)
............... -40 to 150 °C
Max
70.5
140
15
83
50
A
= 25 °C.
2
2
) copper clad.
) copper clad.
Units
kHz
kHz
kHz
ms
Hz
%
%

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