IR2159 查看數據表（PDF） - International Rectifier

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IR2159

DIMMING BALLAST CONTROL IC

International Rectifier 

IR2159/IR21591 (S)

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

—

1.3

—

µA

VCPHIGN CPH pin ignition mode threshold voltage

—

5.0

—

VCPHCLMP CPH pin clamp voltage

—

10

—

V

IIPH

IPH pin DC source current

—

25.0

—

µA IIPH = 1/RFMIN

VCSTH Peak preheat current regulation threshold

—

0.7

—

V VCSTH =(IIPH) x (RIPH)

VCPHFLT CPH pin voltage during UVLO or fault

—

0.0

—

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

or Tj > TSD

Ignition Characteristics

VCSTH Peak over current threshold

—

1.6

—

V

VCPH < 5V

Protection Characteristics

VSDTH+ Rising shutdown pin threshold voltage

—

2.0

VVDCTH+ Rising VDC pin threshold voltage

—

5.1

VSDHYS SD threshold hysteresis

—

150

VVDCHYS VDC threshold hysteresis

—

2.1

VSDCLMP SD pin clamp voltage

—

7.6

VCSTH Peak over-current latch threshold voltage

—

1.6

TSD

Thermal shutdown junction temperature

—

165

—

—

V

—

mV

—

—

V

ISD = 100mA

—

VCPH > 5.1V

—

oC

Phase Control

VCSTHZX

RFB

tBlank

Zero-crossing threshold voltage

Phase control FB resistor (Internal)

Zero-crossing internal blank time

—

0.0

—

V

—

5.7

—

kΩ

—

400

—

ns

Dimming Interface

VDIMOFF DIM pin offset voltage

—

0.5

—

VDIM

DIM pin input voltage range

0.0

—

5.0

VMINMIN DIM minimum reference voltage (MIN pin)

—

VMINMAX DIM maximum reference voltage (MIN pin) —

1.0

3.0

—

—

V

VDIM= 5V

VDIM= 0V

VDIMTH DIM mode VCO Threshold (IR2159)

—

0.5

3.0

VDIMTH DIM mode VCO Threshold (IR21591)

—

1.1

3.0

Minimum Frequency Setting

VFMIN

FMIN pin voltage during normal operation

—

5.1

—

V

VFMINFLT FMIN pin voltage during fault mode

—

0.0

—

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

or Tj > TSD

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