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TNY278PN Datasheet(PDF) 15 Page - Power Integrations, Inc.

Part # TNY278PN
Description  Energy Efficient, Off-Line Switcher with Enhanced Flexibility and Extended Power Range
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Manufacturer  POWERINT [Power Integrations, Inc.]
Direct Link  http://www.powerint.com
Logo POWERINT - Power Integrations, Inc.

TNY278PN Datasheet(HTML) 15 Page - Power Integrations, Inc.

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15
TNY274-280
E
2/06
Parameter
Symbol
Conditions
SOURCE = 0 V; T
J = -40 to 125 °C
See Figure 16
(Unless Otherwise Specified)
Min
Typ
Max
Units
CIRCUIT PROTECTION (cont.)
Reduced Current
Limit (BP/M
Capacitor = 1 µF)
See Note D
I
LIMITred
TNY276
T
J = 25 °C
di/dt = 70 mA/µs
See Note E
256
275
305
mA
TNY277
T
J = 25 °C
di/dt = 90 mA/µs
See Note E
326
350
388
TNY278
T
J = 25 °C
di/dt = 110 mA/µs
See Note E
419
450
499
TNY279
T
J = 25 °C
di/dt = 130 mA/µs
See Note E
512
550
610
TNY280
T
J = 25 °C
di/dt = 150 mA/µs
See Note E
605
650
721
Increased Current
Limit (BP/M
Capacitor = 10 µF)
See Note D
I
LIMITinc
TNY274
T
J = 25 °C
di/dt = 50 mA/µs
See Note E, F
196
210
233
mA
TNY275
T
J = 25 °C
di/dt = 55 mA/µs
See Note E
326
350
388
TNY276
T
J = 25 °C
di/dt = 70 mA/µs
See Note E
419
450
499
TNY277
T
J = 25 °C
di/dt = 90 mA/µs
See Note E
512
550
610
TNY278
T
J = 25 °C
di/dt = 110 mA/µs
See Note E
605
650
721
TNY279
T
J = 25 °C
di/dt = 130 mA/µs
See Note E
698
750
833
TNY280
T
J = 25 °C
di/dt = 150 mA/µs
See Note E
791
850
943
Power Coefficient
I2f
I2f = I
LIMIT(TYP)
2
×
f
OSC(TYP)
Standard
Current Limit
0.9 ×
I2f
I2f
1.12 ×
I2f
A2Hz
Reduced or
Increased
Current Limit
0.9 ×
I2f
I2f
1.16 ×
I2f
Initial Current Limit
I
INIT
See Figure 19
T
J = 25 °C, See Note G
0.75 ×
I
LIMIT(MIN)
mA
Leading Edge
Blanking Time
t
LEB
T
J = 25 °C
See Note G
170
215
ns
Current Limit
Delay
t
ILD
T
J = 25 °C
See Note G, H
150
ns
Thermal Shutdown
Temperature
T
SD
135
142
150
°
C


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