IR2159S datasheet(5/25 Pages) IRF

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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 = 25

oC unless otherwise specified.

Symbol

Definition

Min.

Typ.

Max.

Units

Test Conditions

VFMIN

FMIN pin voltage during normal operation

4.6

5.1

6.25

VMIN=1.5V,VIPH=0.5V

VFMINFLT

FMIN pin voltage during fault mode

—

0.0

—

SD = 5V, or CS = 2V,

or Tj > TSD

Minimum Frequency Setting

VSDTH+

Rising shutdown pin threshold voltage

1.6

2.0

2.6

VCPH =VIPH=0V

VCSTH

Peak over current threshold

1.2

1.6

1.9

VCPH < 5V

VVDCTH+

Rising VDC pin threshold voltage

—

5.1

—

VCPH=VCS=VSD=0V

VSDHYS

SD threshold hysteresis

—

150

—

VCPH =VIPH=0V

VVDCHYS

VDC threshold hysteresis

—

2.1

—

VCPH=VCS=VSD=0V

VSDCLMP

SD pin clamp voltage

—

7.6

—

ISD = 100mA

TSD

Thermal shutdown junction temperature

—

165

—

Protection Characteristics

VCSTHZX

Zero-crossing threshold voltage

—

0.0

—

VCPH =5.5V,VIPH=0.5V

tBlank

Zero-crossing internal blank time

291

400

1030

VCPH =5.5V,VIPH=0.5V

Phase Control

VDIMOFF

DIM pin offset voltage

—

0.5

—

VMINMIN

DIM minimum reference voltage (MIN pin)

—

1.0

—

VCPH=5.5V,VIPH=0.5V

VMINMAX

DIM maximum reference voltage (MIN pin)

—

3.0

—

VCPH =0.5V,VIPH=0.5V

Dimming Interface

Preheat Characteristics

ICPH

CPH pin charging current

0.8

1.3

2.1

µA

VCPH=VDIM=4.7V,

VCS=1.0V

VCPHIGN

CPH pin ignition mode threshold voltage

4.3

5.0

5.7

VCS=2.0V

VCPHCLMP

CPH pin clamp voltage

—

VCS=VDIM=VIPH=0V

IIPH

IPH pin DC source current

—25

—

µA

VCPH=VDIM=4.7V,

IIPH=1/RFMIN

VCSTHPH

Peak preheat current regulation threshold

—

0.7

—

RIPH=27K, VMIN=0V,

VCPH=0V, VCSTH =

(IIPH) x (RIPH)

VCPHFLT

CPH pin voltage during UVLO or fault

—

0.0

—

SD = 5V, or CS = 2V,

or Tj > TSD

Ignition Detection

IIPHIGN+

IPH source current (Vcs rising)

—

VCS=0V, RIPH=18K,

VCPH>5.1V

IIPHIGN-

IPH source current (Vcs falling)

—

27.5

—

VCS =1.0V,

VCPH>5.1V

µA

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