PFS7524LSLASHH datasheet(6/37 Pages) POWERINT

部件名	PFS7524L/H

功能描述	PFC Controller with Integrated High-Voltage MOSFET and Qspeed

PDF	37 Pages

Scroll/Zoom	100%

制造商	POWERINT [Power Integrations, Inc.]

网页	http://www.powerint.com

标志

6 / 37 page

Rev. D 04/25

PFS7523-7529/7533-7539

www.power.com

Figure 8. Start-Up Flow Chart.

Figure 6. Typical Normalized Output Voltage Characteristics as Function of

Normalized Peak Load Rating

Figure 7.

Normalized Minimum Power Limit as Function of Input Voltage.

0.0

0.2

0.4

0.6

1.0

1.2

0.8

Normalized to Peak Output Power Rating

1.2

1.0

0.8

0.6

0.4

0.2

0.0

VCC > UVLO+

and

REF > REFUV+?

YES

PI-7249-061615

Reference

Capacitor Valid?

Start

YES

Capacitor Reset:

Short C to G

for 230 µs

YES

Feedback > FBOFF

Remove Short

on C Pin

(C > 2.5 V) or

Feedback < FBOFF

OTP Fault

Remove Current

Source on

C Pin, Short C to G

YES

Apply Current to

C Pin for 65 µs

Peak Valid and

Peak > VBR+

Remove C to G

Short, Start

Switching

170

100

160

190

PFS7523-29

PFS7533-39

180

Input Voltage (VAC)

1.2

1.0

0.8

0.6

0.4

0.2

PFS7524L/H 数据表(PDF) 6 Page - Power Integrations, Inc.

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