TOP244F datasheet(40/52 Pages) POWERINT

Part #	TOP244F

Description	TOPSwitch -GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher

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Manufacturer	POWERINT [Power Integrations, Inc.]

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40 / 52 page

TOP242-250

40

G

1/02

Figure 51. CONTROL Pin I-V Characteristic.

Figure 50. Duty Cycle Measurement.

Figure 52. Drain Current Operating Envelope.

Figure 53. TOPSwitch-GX General Test Circuit.

PI-2631-010802

5-50 V

S4

40 V

0-15 V

0.1

µF

47

µF

470

Ω

5 W

Y, R or F Package (X and L Pin)

P or G Package (M Pin)

470

Ω

0-100 k

Ω

0-60 k

Ω

0-60 k

Ω

0-100 k

Ω

NOTES: 1. This test circuit is not applicable for current limit or output characteristic measurements.

2. For P and G packages, short all SOURCE pins together.

D

S

FX

C

L

M

C

CONTROL

TOPSwitch-GX

S2

S1

S5

S3

PI-2039-033001

DRAIN

VOLTAGE

HV

0 V

90%

10%

90%

t2

t1

D =

t1

t2

0.8

1.3

1.2

1.1

0.9

0.8

1.0

0

01

2

6

8

3

Time (µs)

45

7

0.7

0.6

0.5

0.4

0.3

0.2

0.1

ILIMIT(MAX) @ 25 °C

ILIMIT(MIN) @ 25 °C

IINIT(MIN) @ 85 VAC

IINIT(MIN) @ 265 VAC

tLEB (Blanking Time)

120

100

80

40

20

60

0

02

4

6

8

10

CONTROL Pin Voltage (V)

1

Slope

Dynamic

Impedance

=

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TOP244F Datasheet(PDF) 40 Page - Power Integrations, Inc.

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