IR21592S Ver la hoja de datos (PDF) - International Rectifier

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IR21592S

DIMMING BALLAST CONTROL IC

International Rectifier 

IR21592/IR21593(S) &(PbF)

Electrical Characteristics (cont.)

VCC = VBS = VBIAS = 14V +/- 0.25V, VCS = 0.5V, VSD = 0.0V, RFMIN = 40k, CVCO = 10 nF, VDIM = 0.0V, RMAX = 33k,

RMIN = 56k, VTPH = 0.0V, CLO,HO = 1000pF, TA = 25oC unless otherwise specified.

Symbol Definition

Min. Typ. Max. Units Test Conditions

Preheat Characteristics

ICPH

CPH pin charging current

0.8

VCPHIGN CPH pin ignition mode threshold voltage

4.3

VCPHCLMP CPH pin clamp voltage

—

IIPH

IPH pin DC source current

—

VCSTHPH Peak preheat current regulation threshold —

VCPHFLT CPH pin voltage during UVLO or fault

—

Ignition Detection

IIPHIGN+ IPH source current (Vcs rising)

—

IIPHIGN- IPH source current (Vcs falling)

—

Protection Characteristics

VSDTH+ Rising shutdown pin threshold voltage

1.6

VCSTH

Peak over current threshold

1.2

VVDCTH+ Rising VDC pin threshold voltage

—

VSDHYS SD threshold hysteresis

—

VVDCHYS VDC threshold hysteresis

—

VSDCLMP SD pin clamp voltage

—

TSD

Thermal shutdown junction temperature

—

Phase Control

VCSTHZX Zero-crossing threshold voltage

—

tBlank

Zero-crossing internal blank time

291

Dimming Interface

VDIMOFF DIM pin offset voltage

—

VMINMIN DIM minimum reference voltage (MIN pin) —

VMINMAX DIM maximum reference voltage (MIN pin) —

Minimum Frequency Setting

VFMIN

FMIN pin voltage during normal operation 4.6

VFMINFLT FMIN pin voltage during fault mode

—

1.3

2.1

5.0

5.7

10

—

25

—

0.7

—

0.0

—

30

—

27.5

—

2.0

2.6

1.6

1.9

5.1

—

150

—

2.1

—

7.6

—

165

—

0.0

—

400 1030

0.5

—

1.0

—

3.0

—

5.1

6.25

0.0

—

µA VCPH=VDIM=4.7V,

VCS=1.0V

V

VCS=2.0V

VCS=VDIM=VIPH=0V

µA VCPH=VDIM=4.7V,

IIPH=1/RFMIN

V RIPH=27K, VMIN=0V,

VCPH=0V, VCSTH =

(IIPH) x (RIPH)

V SD = 5V, or CS = 2V,

or Tj > TSD

µA

VCS=0V, RIPH=18K,

VCPH>5.1V

VCS =1.0V,

VCPH>5.1V

VCPH =VIPH=0V

V

VCPH < 5V

VCPH=VCS=VSD=0V

mV VCPH =VIPH=0V

VCPH=VCS=VSD=0V

V

ISD = 100mA

oC

V VCPH =5.5V,VIPH=0.5V

ns VCPH =5.5V,VIPH=0.5V

V VCPH=5.5V,VIPH=0.5V

VCPH =0.5V,VIPH=0.5V

V VMIN=1.5V,VIPH=0.5V

V SD = 5V, or CS = 2V,

or Tj > TSD

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