DAP041 datasheet(35/40 Pages) ONSEMI

Part #	DAP041

Description	Fixed Frequency Current Mode Controller

PDF	40 Pages

Scroll/Zoom	100%

Manufacturer	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

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35 / 40 page

SCY99194

http://onsemi.com

PROTECTION MODES AND THE LATCH MODE RELEASES

Event

Timer Protection

Next Device Status

Release to Normal Operation Mode

Overcurrent

VILIM > 0.7 V

Fault timer

Latch

Autorecovery – B version

1st X2 discharge event

VCC < VCC(reset)

Winding short

Vsense > VCS(stop)

Immediate reaction

Latch

Autorecovery – B version

1st X2 discharge event

VCC < VCC(reset)

Low supply

VCC < VCC(off)

ms timer

Latch

1st X2 discharge event

VCC ≥ VCC(reset)

External OTP, OVP

Latch

1st X2 discharge event

VCC < VCC(on)

High supply

VCC > VCC(ovp)

ms timer

Latch

1st X2 discharge event

VCC < VCC(reset)

Internal TSD

ms timer

Device stops, HV start−up

current source stops

(VCC > VCC(on)) & TSDb

Off mode

VFB < VOFF

600 ms timer

Device stops and internal

VCC is turned off

(VCC > VCC(on)) &

( VFB > VON)

DAP041 Datasheet(PDF) 35 Page - ON Semiconductor

DAP041 Datasheet(HTML) 35 Page - ON Semiconductor

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