IRS2158D datasheet(13/30 Pages) IRF

13 / 30 page

IRS2158D(S)

www.irf.com

State Diagram

VCC < 10.5V (VCCUV-)

(VCC Fault or Power Down)

VDC- < 3.0V

UVLO Mode

2-Bridge Off

IQCCUV ~250uA

CPH = 0V

VCO = 0V (Oscillator Off)

PREHEAT Mode

1/2-Bridge oscillating@ fPH

VCO = 0V

RPH // RFMIN

CPH Charging through RCPH

CS Fault Counter Enabled

VCC > 12.5V (VCCUV+)

and

VDC+ > 5.0V

and

SD/EOL<3.0V (VSDTH-)

Power Turned On

FAULT Mode

Fault Latch Set

2-Bridge Off

IQCCFLT ~ 350uA

CPH = 0V

VCO = 0V (Oscillator Off)

VFMIN = 0V

CS>1.2V

SD/EOL > 5.0V (VSDTH+)

(Lamp Removal)

VCC < 10.5V (VCCUV-)

(Power Turned Off)

CPH > (2/3)*VCC

(End of PREHEAT Mode)

IGNITION Mode

CPH charging through RCPH

VCO charging through RPH

CS Shutdown Disabled

EOL Shutdown Disabled

Regulated ignition frequency

RUN Mode

VCO = 5V

1/2-Bridge Oscillating@fRUN

CS Fault Counter Enabled

EOL Thresholds Enabled

CS > 1.2V for

60 events

CPH > (1/2)*VCC

(End of IGNITION Mode)

CS Regulation

VCO discharged

slightly with

current sink

CS<1.2V

CPH discharged

CPH < (1/3)*VCC

(Start of IGNITION Mode)

CPH > (2/3)*VCC

(End of PRE-RUN Mode)

PRE-RUN Mode

CPH charging through RCPH

VCO charging through RPH

frequency ramps to fRUN

CS One Fault Enabled

EOL Shutdown Disabled

CS > 1.2V (VCSTH+)

SD/EOL>5.0V (VSDTH+)

For 60 LO Cycles

CS > 1.2V (VCSTH+) for 60 events

SD/EOL < 1.0V (VEOLTH-)

SD/EOL > 3.0V (VEOLTH+)

For 60 LO Cycles

IRS2158D датащи(PDF) 13 Page - International Rectifier

IRS2158D датащи(HTML) 13 Page - International Rectifier

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

датащи скачать

ссылки URL