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| 型號： | TOPP244R |
| 廠商： | Power Integrations, Inc. |
| 英文描述： | Family Extended Power, Design Flexible,Integrated Off-line Switcher |
| 中文描述： | 家庭擴(kuò)展的電源，設(shè)計靈活，集成的離線切換 |
| 文件頁數(shù)： | 34/48頁 |
| 文件大小： | 771K |
| 代理商： | TOPP244R |
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TOP242-249
34
E
7/01
August 8, 2000
ABSOLUTE MAXIMUM RATINGS
(1)
DRAIN Voltage ............................................ -0.3 to 700 V
DRAIN Peak Current: TOP242 ...............................0.72 A
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
CONTROL Voltage .......................................... -0.3 to 9 V
CONTROL Current ...............................................100 mA
I
C
= 3 mA;
T
J
= 25
°
C
I
C
= I
CD1
f
OSC
DC
(ONSET
)
f
OSC (DMIN)
f
f
M
DC
MAX
t
SOFT
CONTROL FUNCTIONS
Conditions
(Unless Otherwise Specified)
See Figure 53
SOURCE = 0 V
;
T
J
= -40 to 125
°
C
Min
Typ
Max
Parameter
Symbol
Units
THERMAL IMPEDANCE
kHz
%
kHz
kHz
Hz
%
ms
Thermal Impedance: Y Package (
θ
JA
)
(1)
............... 70
°
C/W
(
θ
)
(2)
................ 2
°
C/W
P or G Package:
(
θ
JA
) ......45
°
C/W
(3)
; 35
°
C/W
(4)
(
θ
JC
)
(5)
......................... 11
°
C/W
Notes:
1. Free standing with no heatsink.
2. Measured at the back surface of tab.
3. Soldered to 0.36 sq. inch (232 mm
2
), 2oz. (610 gm/m
2
) copper clad.
4. Soldered to 1 sq. inch (645 mm
2
), 2oz. (610 gm/m
2
) copper clad.
5. Measured on the SOURCE pin close to plastic interface.
124
132
140
61.5
66
70.5
10
30
15
±
4
±
2
250
75
78
83
28
38
50
10
15
FREQUENCY Pin
Connected to SOURCE
FREQUENCY Pin
Connected to CONTROL
132 kHz Operation
66 kHz Operation
I
L
≤
I
L (DC)
or I
M
≤
I
M(DC)
I
L
or I
M
= 190
μ
A
T
J
= 25
°
C; DC
MIN
to
DC
MAX
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
132 kHz Operation
66 kHz Operation
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
(2)
...............-40 to 150
°
C
Lead Temperature
(3)
............................................... 260
°
C
Notes:
1. All voltages referenced to SOURCE, T
A
= 25
°
C.
2. Normally limited by internal circuitry.
3. 1/16" from case for 5 seconds.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TOP249R | Family Extended Power, Design Flexible,Integrated Off-line Switcher |
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| TOP242-249 | Family Extended Power, Design Flexible,Integrated Off-line Switcher |
| TOP242G | Family Extended Power, Design Flexible,Integrated Off-line Switcher |
| TOP242P | Family Extended Power, Design Flexible,Integrated Off-line Switcher |
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