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 

Backlight Efficiency vs. Input Voltage

Backlight Efficiency vs.SICnp5u0t V1o4ltAage

Typical Characteristics

Backlight˕E˴f˶f˾i˿˼c˺i˻ėʳ˘n˹˹c˼˶y˼˸́v˶š.ʳ̉Ĭnˁʳ˜ṕ̃ü̇tʳ˩V̂o˿̇˴l˺t˸age

10S2P

˄˃˃

Backligh˕t˴˶E˾f˿˼f˺i˻ċʳi˘e˹n˹˼˶c˼˸ý˶v̌ʳs̉.̆ˁIʳ˜ń̃p̈u̇ʳ˩t̂V˿̇˴o˺l˸tage

240mA/CH

˄˃˃

240mA/CH

7S4P

ˌˈ

ˌˈ

120mA/CH

10S4P

˄˅˃̀˔

ˊ˦

ˌ˃

˅ˇ˃̀˔

ˌ˃

˄˃

ˋˈ

Backlight Efficiency vs. LED string Current

ˋ˃

˃

ˈ

˄˃

˄ˈ

˅˃

˅ˈ

ˆ˃

˩V˜ˡINʻ(˩Vʼ)

Backlight Efficiency vs. LED String Current

˕˴˶˾˿˼˺˻̇ʳ˘˹˹˼˶˼˸́˶̌ʳ̉̆ˁʳ˜́̃̈̇ʳ˩̂˿̇˴˺˸ʳʻˉ˩˼́ʼ

ˌˈ VIN=6V

ˌ˃

120mA/CH

240mA/CH

ˋˈ

ˋ˃

ˉ˃̀˔

˄˅˃̀˔

ˊˈ

ˊ˃

ˉˈ

PWM Dimming Linearity(100Hz)

˃

˅˃

ˇ˃

ˉ˃

ˋ˃

LED PWM Dimming Duty Cycle (%)

˟˘˗ʳˣ˪ˠʳ˗˼̀̀˼́˺ʳ˗̈̇̌ʳ˖̌˶˿˸ʳʻʸʼ

PWM Dimming Linearity

240mA/CH, 10S2P, 100Hz Dimming

˅ˇ˃

CH1

CH2

˄ˋ˃

˄˅˃

˄˃˃

˖˛˄

˖˛˅

ˋˈ

Backlight Efficiency vs. LED string Current

ˋ˃

˃

ˈ

˄˃

˄ˈ

˅˃

˅ˈ

ˆ˃

˩V˼́INʻ˩(Vʼ )

Backlight Efficiency vs. LED String Current

˕˴˶˾˿˼˺˻̇ʳ˘˹˹˼˶˼˸́˶̌ʳ̉̆ˁʳ˜́̃̈̇ʳ˩̂˿̇˴˺˸ʳʻ˄˅˩˼́ʼ

ˌˈ VIN=12V

240mA/CH

ˌ˃

120mA/CH

ˋˈ

ˉ˃̀˔

ˋ˃

˄˅˃̀

ˊˈ

ˊ˃

ˉˈ

˃

˅˃PWM Dimˇm˃ing Linearˉit˃y(30KHz) ˋ˃

L˟E˘D˗ʳPˣW˪ˠMʳ˗D˼̀im̀m˼́˺inʳ˗g̈̇Ďʳ˖ǔt˶y˿˸Cʳʻyʸcʼle (%)

PWM Dimming Linearity

240mA/CH, 10S2P, 30KHz Dimming

˅ˇ˃

CH1

CH2

˄ˋ˃

˄˅˃

˄˃˃

˖˛˄

˖˛˅

ˉ˃

ˉ˃

˃

˃

˅˃

ˇ˃

ˉ˃

ˋ˃

˄˃˃

LED PWM Dimming Duty Cycle (%)

˗̈̇̌ʻʸʼ

˃

˃

˅˃

ˇ˃

ˉ˃

ˋ˃

˄˃˃

LED PWM Dim˗̈ṁ̌ʻʸiʼng Duty Cycle (%)



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