BD7692FJ-E2 Ver la hoja de datos (PDF) - ROHM Semiconductor

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BD7692FJ-E2

Power Factor Correction Controller IC

ROHM Semiconductor 

BD7692FJ

Operation Mode of the Protective Circuit

Table2 shows the operation mode of each protection function.

Parameter

Table 2. Operation Mode of Each Protective Circuit

Protection mode

Contents

Detection Method

Detect

Operation

Cancellation

Method

VCCUVLO

VCC Pin Low

Voltage Protection

VCC<9.0 V(Typ)

(VCC Drop)

OUT Stop

VCC>12.0 V(Typ)

EO Discharge

(VCC Rise)

Cancellation

Operation

Startup

Operation

IS OCP

IS Pin Over Current

Protection

IS<-0.60 V(Typ)

(IS Drop)

OUT Stop

IS>-0.60 V(Typ)

(IS Rise)

Normal

Operation

VS Short

Protection

VS Pin Short

Protection

VS<0.300 V(Typ)

(VS Drop)

OUT Stop

EO Discharge

VS>0.300 V(Typ)

(VS Rise)

Normal

Operation

VS Gain Increase

VS Pin Low Voltage

Gain Increase

VS<2.250 V(Typ)

(VS Drop)

Gm Amplifier

GAIN Increase

VS>2.250 V(Typ)

(VS Rise)

Normal

Operation

VS Dynamic OVP

VS Pin Overvoltage

Protection 1

VS>2.625 V(Typ)

(VS Rise)

Gm Amplifier

GAIN Increase

VS<2.625 V(Typ)

(VS Drop)

Normal

Operation

VS Static OVP

VS Pin Overvoltage

Protection 2

VS>2.725 V(Typ)

(VS Rise)

OVP

OVP Pin

Overvoltage

Protection 3

OVP>2.700 V(Typ)

(OVP Rise)

OUT Stop

OUT Stop

VS<2.600 V(Typ)

(VS Drop)

Normal

Operation

OVP<2.600 V(Typ)

(OVP Drop)

Normal

Operation

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TSZ22111 • 15 • 001

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TSZ02201-0F2F0A200320-1-2

04.Oct.2018 Rev.001

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