MAX14514 データシートの表示（PDF） - Maxim Integrated

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MAX14514

Dual Electroluminescent Lamp Driver

Maxim Integrated 

MAX14514

Dual Electroluminescent Lamp Driver

Electrical Characteristics (continued)

(VDD = +2.7V to +5.5V, CLAMP_TOTAL = 10nF, CCS = 3.3nF, LX = 220µH (ISAT = 170mA, RS = 5.5Ω), TA = -40°C to +85°C, unless

otherwise noted. Typical values are at VDD = +3.0V, TA = +25°C.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

BOOST CONVERTER

VDIM_ = +0.5V

52

65

81

Output Regulation Voltage

VCS

VDD = +3V

VDIM_ = +1V

105 130 155

V

VDIM_ = +1.3V

125 150 175

Boost Switching Frequency

fSW

CSW = 96pF, RSLEW = 375kΩ

80

100 120

kHz

Switch On-Resistance

RLX

ISINK = 25mA, VDD = +3V

20

Ω

LX Leakage Current

ILX

VLX = +150V

-1

+1

µA

CS Input Current

CONTROL INPUT (SW)

ICS

No load, VCS = +150V, VEN = 0,

VDIM_ = 0

80

µA

Input-Voltage High Threshold

VIH_CSW

RSLEW = 375kΩ

0.9

0.98 1.06

V

Input-Voltage Low Threshold

Input Low Current

VIL_CSW

IIL_CSW

Input High Current

CONTROL INPUT (EL)

Input-Voltage High Threshold

Input-Voltage Low Threshold

Input Low Current

Input High Current

CONTROL INPUT (CAP)

CAP Switching Frequency

Slow Turn-On Time

Fast Turn-On CAP Threshold

Nonfast Turn-On CAP

Threshold

IIH_CSW

VIH_CEL

VIL_CEL

IIL_CEL

IIH_CEL

fCAP

tSLOW_ON

VFAST_CAP

VNON-FAST_

CAP

Input Leakage Current

IIH_CAP

CONTROL INPUT (SLEW)

Force Voltage

High-Voltage Output

Slew Rate

CONTROL INPUTS (DIM1, DIM2)

Input High Voltage

Input Low Voltage

Input Low Current

Input High Current

PWM Frequency Range

VFORCE

VIH_DIM

VIL_DIM

IIL_DIM

IIH_DIM

RSLEW = 375kΩ

RSLEW = 375kΩ, VCS = +78V,

CEL = VDD, VDIM_ = VDD

RSLEW = 375kΩ, VCS = +78V,

CEL = VDD, VDIM_ = VDD

RSLEW = 375kΩ

RSLEW = 375kΩ

RSLEW = 375kΩ

RSLEW = 375kΩ

RSLEW = 375kΩ, CCAP = 1.25nF

RSLEW = 375kΩ, CCAP = 1.25nF

RSLEW = 375kΩ

RSLEW = 375kΩ

CAP = VDD,

RSLEW = 375kΩ

Normal operation

Shutdown mode

RSLEW = 375kΩ

RSLEW = 375kΩ

Max output voltage

Min output voltage

VDIM_ = 0, RSLEW = 375kΩ

VDIM_ = VDD

0.43 0.49 0.55

V

43

79

µA

5

7.5

µA

1.08

1.32

V

0.22

0.39

V

1.3

1.88

µA

1.3

1.88

µA

180 300

0.3

VDD-0.35

0.3

-100

410

Hz

s

V

1.4 V

1

µA

100

nA

0.9

0.98 1.05

V

32

V/100µs

1.3

0.15

2.2

2.6

3.0

-1

+1

0.2 to 1

V

V

µA

µA

MHz

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