TOP250 datasheet(18/54 Pages) POWERINT

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TOP250 数据表(PDF) 18 Page - Power Integrations, Inc.

部件名	TOP250

功能描述	Extended Power, Design Flexible, EcoSmart, Integrated Off-Line Switcher

PDF	54 Pages

Scroll/Zoom	100%

制造商	POWERINT [Power Integrations, Inc.]

网页	http://www.powerint.com

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TOP250 数据表(HTML) 18 Page - Power Integrations, Inc.

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18 / 54 page

Rev. R 10/20

TOP242-250

www.power.com

Typical Uses of MULTI-FUNCTION (M) Pin (cont.)

Figure 34. Externally Set Current Limit (Not Normally Required-

See M Pin Operation Description).

PI-2517-022604

Input

Voltage

For RIL = 12 k

ILIMIT = 69%

CONTROL

RIL

See Figures 54b, 55b

and 56b for other resistor

values (RIL) to select

different ILIMIT values.

For RIL = 25 k

ILIMIT = 43%

Ω

Figure 35. Current Limit Reduction with Line Voltage (Not

Normally Required-See M Pin Operation Description).

Figure 36. Active-on (Fail Safe) Remote ON/OFF.

PI-2519-040501

Input

Voltage

ON/OFF

CONTROL

QR can be an optocoupler

output or can be replaced

by a manual switch.

47 k

Ω

Figure 37. Active-off Remote ON/OFF. Maximum Duty Cycle

Reduced.

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