SC5014AEVB データシートの表示（PDF） - Semtech Corporation

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SC5014AEVB

High Efficiency 2-Channel HB LED Driver with I2C Interface and Direct PWM Dimming

Semtech Corporation 

SC5014A

Electrical Characteristics (continued)

Parameter

Symbol

Conditions

Min Typ Max Units

Boost Oscillator Frequency

Boost Oscillator Frequency

Maximum Duty Cycle

Control Signals: EN, PWMI, SDA, SCL

High Voltage Threshold

Low Voltage Threshold

SDA Output Low

Pin Leakage Current

PWM Dimming Input

PWMI Input Dimming Frequency

Over-Voltage Protection

OVP Trip Threshold Voltage

OVP Hysteresis

OVP Leakage Current

Current Sink (IO )

IOx Dimming Minimum Pulse Width

ISET pin Voltage

Regulation Voltage

Current Sink Disable Threshold

Current Sink Rise/Fall Time (1)

LED Current Accuracy

LED Current Matching (2)

IOn Off Leakage Current

FSW

FOSC

DMAX

RFSET = 100kΩ

RFSET Varies

0.85

1

0.2

88

92

VIH

VIL

VSDA(L)

ILEAK

VCC = 4.5V to 5.5V

2.1

VCC = 4.5V to 5.5V

-6mA from VCC to SDA

VEN = 0V, VPWMI = VISET = VFSET = VSDA = VSCL = 5.0V

-1

FPWMI

VOVP(TRIG)

VOVP(HYS)

IOVP(LEAK)

TPWM(MIN)

VISET

VIOn(REG)

VIOn(DIS)

tRISE/FALL

IOn(ACC%)

IOn(MATCH)

IOn(LEAK)

OVP Rising

OVP Falling

OVP = 5V

FPWM(LED) = 100Hz - 30kHz

Voltage of Regulating String

Checked at Power-up

Rising Edge from 10% to 90% of IO(n)

PWMI = 100%, TA=+25 °C

PWMI = 100%, TA=+25 °C

PWMI = 100%, TA=-40 °C, +85 °C

PWMI = 0V, EN = 0V, VIO1 = 25V

100

1.1 1.2

10

0.1

300

1.23

0.9

0.6

25

196 200

0.1

1.15

2.2

0.8

0.3

1

30k

1.3

1

204

±1.0

±2.0

1

MHz

MHz

%

V

V

V

µA

Hz

V

mV

µA

ns

V

V

V

ns

mA

%

%

µA



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