400DAFBA2 datasheet(39/47 Pages) ONSEMI

부품명	400DAFBA2

상세설명	Fixed Frequency Current Mode Controller for Flyback Converters

PDF	47 Pages

Scroll/Zoom	100%

제조업체	ONSEMI [ON Semiconductor]

홈페이지	http://www.onsemi.com

Logo

39 / 47 page

NCP12400

www.onsemi.com

Table 6. PROTECTION MODES AND THE LATCH MODE RELEASES

Event

Timer Protection

Next Device Status

Release to Normal Operation Mode

Overcurrent

VCS > VILIM

Fault timer

Latch

Autorecovery

Brown−out

VCC < VCC(reset)

Maximum on time

Fault timer

Latch

Brown−out

VCC < VCC(reset)

Maximum duty cycle

Fault timer

Latch

Brown−out

VCC < VCC(reset)

Winding short

VCS > VCS(stop)

4 consecutive pulses

Latch

Autorecovery

Brown−out

VCC < VCC(reset)

Low supply

VCC < VCC(off)

10 ms timer

Latch

Autorecovery

Brown−out

VCC < VCC(reset)

External OTP, OVP

55 ms

Latch

Brown−out

VCC < VCC(reset)

High supply

VCC > VCC(ovp)

10 ms timer

Latch

Brown−out

VCC < VCC(reset)

Brown−out

VHV < VHV(stop)

HV timer

Device stops

(VHV > VHV(start)) & (VCC > VCC(on))

Internal TSD

10 ms timer

Device stops, HV start−up

current source stops

(VHV > VHV(start)) & (VCC > VCC(on)) & TSDb

Off mode

VFB < VOFF

500 ms timer

Device stops and internal

VCC is turned off

(VHV > VHV(start)) & (VCC > VCC(on)) &

(VFB > VON)

400DAFBA2 데이터시트(PDF) 39 Page - ON Semiconductor

400DAFBA2 데이터시트(HTML) 39 Page - ON Semiconductor

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47

데이터시트 다운로드

링크 URL