TOP242R POWERINT [Power Integrations, Inc.], TOP242R Datasheet - Page 34

• Manufacturer Part Number: TOP242R
• Description: TOPSwitch -GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher
• Manufacturer: POWERINT [Power Integrations, Inc.]

34
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
Thermal Impedance: Y or F Package:
TOP242-250
CONTROL FUNCTIONS
DRAIN Voltage ............................................ -0.3 to 700 V
DRAIN Peak Current: TOP242 ............................... 0.72 A
CONTROL Voltage .......................................... -0.3 to 9 V
Parameter
G
1/02
(θ
(θ
(θ
(θ
(θ
(θ
JA
JC
JA
JC
JA
JC
)
)
) ...................... 45 °C/W
)
) ... 80 °C/W
)
P or G Package:
R Package:
(1)
(2)
(5)
(5)
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
TOP250 ............................. 10.08 A
....................................... 70 °C/W
......................................... 2 °C/W
....................................... 11 °C/W
......................................... 2 °C/W
Symbol
DC
f
OSC (DMIN)
DC
f
OSC
(ONSET)
∆f
f
M
MAX
(7)
; 37 °C/W
ABSOLUTE MAXIMUM RATINGS
T
SOURCE = 0 V
I
C
J
I
C
= 25 °C
= 3 mA;
(Unless Otherwise Specified)
= I
(4)
(3)
THERMAL IMPEDANCE
; 27 °C/W
; 35 °C/W
CD1
Conditions
See Figure 53
Connected to CONTROL
Connected to SOURCE
(4)
(6)
I
132 kHz Operation
132 kHz Operation
;
L
FREQUENCY Pin
FREQUENCY Pin
66 kHz Operation
66 kHz Operation
I
≤ I
Notes:
T
L
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.
6. Soldered to 3 sq. inch (1935 mm
7. Soldered to foot print area, 2 oz. (610 gm/m
J
or I
L (DC)
= -40 to 125 °C
clad.
CONTROL Current ...............................................100 mA
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
or I
= 190 µA
M
≤ I
M(DC)
(3)
(1)
61.5
Min
124
............................................... 260 °C
75
28
2
), 2 oz. (610 gm/m
2
2
Typ
132
250
), 2 oz. (610 gm/m
), 2 oz. (610 gm/m
± 4
± 2
66
10
30
15
78
38
(2)
............... -40 to 150 °C
Max
70.5
140
2
83
50
) copper clad.
A
= 25 °C.
2
2
) copper clad.
) copper clad.
2
) copper
Units
kHz
kHz
kHz
Hz
%
%