13

IR2214/IR22141(SS)

www.irf.com

ADVANCE DATA

HO/LO

status

HOP/LOP

HON/LON

SSDH/SSDL

0

HiZ

0

HiZ

1

1

HiZ

HiZ

SSD

HiZ

HiZ

0

LO/HO

Output follows inputs (in=1->out=1, in=0->out=0)

Output keeps previous status

IR2214 Logic Table

NOTE1: SY_FLT automatically resets after SSD event is over and FLT_CLR is not required.

In order to avoid FLT_CLR to conflict with the SSD procedure, FLT_CLR should not be

operated while SY_FLT is active.

INPUTS

INPUT/OUTPUT

Under Voltage

Yes: V< UV threshold

No : V> UV threshold

X : don’t care

OUTPUTS

Hin

Lin

FLT_CLR

SY_FLT

SSD: desat (out)

HOLD: freezing (in)

FAULT/SD

SD: shutdown (in)

FAULT: diagnostic (out)

HO

LO

X

X

X

X

X

X

0

0

NOTE1

(FAULT)

No

No

HO

LO

1

0

0

1

1

No

No

1

0

0

1

0

1

1

No

No

0

1

0

0

0

1

1

No

No

0

0

1

1

0

1

1

No

No

0

0

1

0

0

(SSD)

1

No

No

SSD

0

0

1

0

(SSD)

1

No

No

0

SSD

X

X

0

(SSD)

(FAULT)

No

No

0

0

X

X

0

(SSD)

(FAULT)

No

No

0

0

X

X

X

1

No

No

X

X

1

1

No

Yes

0

LO

X

X

X

1

Yes

X

0

0

Normal

Operation

Anti Shoot

Through

Soft Shut Down (entering)

Soft Shut Down (finishing)

Freeze

Shut Down

Fault Clear

Operation

Under Voltage

Output drivers status description