TOP250F-TL datasheet(44/52 Pages) POWERINT

Nome de Peças	TOP250F-TL

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

PDF	52 Pages

Scroll/Zoom	100%

Fabricante Electrônico	POWERINT [Power Integrations, Inc.]

Página de início	http://www.powerint.com

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44 / 52 page

TOP242-250

12/04

Typical Performance Characteristics (cont.)

Figure 63a. LINE-SENSE Pin Voltage vs. Current.

6.0

4.5

5.5

5.0

2.0

100

200

300

400

LINE-SENSE Pin Current (

µA)

3.0

2.5

3.5

4.0

1.6

1.0

1.4

1.2

-240

-180

-60

-120

EXTERNAL CURRENT LIMIT Pin Current (

µA)

0.4

0.2

0.6

0.8

VX = 1.33 - IXx 0.66 kΩ

-200

µA

≤ I

X ≤ -25 µA

-300 -200 -100 0

100 200 300 400 500

MULTI-FUNCTION Pin Current (

µA)

See

Expanded

Version

1.2

1.4

1.6

0.4

0.6

0.2

0.8

1.0

-300

-200 -150

-50

-250

-100

MULTI-FUNCTION Pin Current (

µA)

VM = 1.37 - IMx 1 kΩ

-200

µA

≤ I

M ≤ -25 µA

1.2

1.0

0.8

0.6

0.4

0.2

-50 -25

50 75 100 125 150

Junction Temperature (

°C)

1.2

1.0

0.8

0.6

0.4

0.2

-50 -25

50 75 100 125 150

Junction Temperature (

°C)

Figure 63b. EXTERNAL CURRENT LIMIT Pin Voltage

vs. Current.

Figure 64a. MULTI-FUNCTION Pin Voltage vs. Current.

Figure 64b. MULTI-FUNCTION Pin Voltage vs. Current

(Expanded).

Figure 65. Control Current Out at 0% Duty Cycle

vs. Temperaure.

Figure 66. Max. Duty Cycle Reduction Onset Threshold

Current vs. Temperature.

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